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PROFESSIONAL COMPONENT LOUDSPEAKER CATALOGUE | 2014

EST. 1987

AUDIO ENGINEERING

www.precision-devices.com

HIGH PERFORMANCE THROUGH PRECISION ENGINEERING

THE PRECISION DEVICES UK HEADQUARTERS AND MANUFACTURING FACILITY

PRODUCT RANGE OVERVIEW ............................................................. PAGES 5 & 6

INTERPRETING OUR DATA ........................................................................... PAGE 6

FERRITE RANGE DRIVERS ................................................................. PAGE 07 - 27

NEODYMIUM RANGE DRIVERS .......................................................... PAGE 28 - 38

CONTENTS

Founded in 1987, England. Precision Devices is regarded globally as a leading manufacturer and designer of high-end loudspeaker transducers. For over 25 years we have been driven by a passion and philosophy to create next generation drive units capable of achieving superior levels of acoustic performance combined with exceptional levels of strength and reliability. Built to be driven to their rated specification and often beyond, Precision Devices transducers are synonymous with uncompromising quality and enviable performance, instantly recognizable and highly desired. Widely recognised as the worlds’ finest, most prestigious loudspeakers.

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25th ANNIVERSARY PD.1850/2 SOLIDUS MODEL.

AIMS ANd ObjECTIvESOur mission is a simple one: to expand and consistently improve the manufacture of the world’s best professional audio component loudspeakers – utilising stringent practice and employee involvement, striving towards world-class standards and encouraging a culture of excellence within every department of the company. We offer close support in building sustainable long-term business relationships with clients, both domestic and international, to supply a product that provides unrivalled performance, reliability and customer satisfaction.

THE PRECISION dNAPrecision Devices has built thousands of transducers over the years. You can be sure if it carries the PD badge, it carries our reputation and is the result of relentless optimisation and modification by our research and development team.

Our research and development team use FEA (finite element analysis) along with other modeling software at the design stage to ensure each component and, ultimately, the final product performs to its fullest potential. Followed by extensive listening and lab tests to deliver the clearest sound and sharpest detail, this ensures each model remains true to the PD design DNA of quality craftsmanship, reliability and unrivalled performance.

bESPOkE OEM dESIGNWe offer close support in building sustainable long-term business relationships with our domestic and international OEM partners. Our R&D and engineering team are able to provide modified or bespoke models to satisfy even the most critical project requirements. From the slightest modification to unique cutting-edge designs using performance-optimised materials, we pride ourselves on our rapid prototyping service with the ability to manufacture both low and high volumes that will turn your OEM specifications into reality.

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02

CHASSIS dESIGNOur unique UK-sourced twelve sided die-cast aluminium chassis incorporates added sectional strength and structure to assist with efficient heat transfer and dissipation from critical areas while also minimising unwanted acoustic effects. Fixing holes are positioned a good distance from the baffle cut-out to prevent edge splitting should a cabinet be dropped; an extra wide flange prevents unwanted pressure, due to out-of-position fixing, from distorting the chassis. Many of our chassis designs also feature additional ‘hidden’ fixing holes that allow maximum flexibility of installation.

VOICE COIL BEING TESTED FOR COMPLIANCEADDED SECTIONAL STRENGTH TO THE CHASSIS ASSISTS WITH HEAT TRANSFER AND DISSIPATION

DUAL SUSPENSION SYSTEMS READY FOR THE NEXT STAGE OF PRODUCTION

PRECISION MACHINED STEEL, A WORK OF ART IN ITSELF

THE ART OF vOICE COILSThe voice coil is the heart of the speaker, which is why we control this critical design and manufacturing process in-house. Our proprietary coil design and manufacturing process is carefully calculated to result in ultimate power handling, longevity and mechanical stability at high temperatures. We use a variety of materials to produce numerous coil designs ranging from 1.5” (38.1 mm) to 6” (152.4mm), using copper, aluminium and copper-clad aluminium wire. Close tolerance wires are coated with high temperature enamel and precision wound onto an epoxy resin-impregnated, woven glass fibre former. This is then cured to ensure a rigid assembly, essential for greater strength and maximisation of energy transmission.

The laminated construction of our voice coils, in addition to the ‘wet winding’ process, guarantees superior power handling, reliability and mechanical stability, placing the importance of component integrity before production speed.

CONES & SOFTWAREAll cones used by Precision Devices are made in England from advanced and highly-optimised materials with very fine set tolerances in their manufacture. Materials are selected for properties that include high strength and longevity, as well as sublime acoustic performance. Long-fibre designs provide improved internal damping and extra longevity, and all models are air-dried for optimum tonal qualities. Performance-optimised suspension materials provide improved linearity and control. Each and every cone and software component is carefully inspected prior to use, which ensures the exact sound quality will be found throughout the series with the utmost reliability.

MAGNET ASSEMbLIESPrecision-machined, UK-sourced low-carbon steel plate sets delivering superior strength, quality and magnetic qualities along with the highest grade neodymium and ceramic magnets ensure superior BL factors and operating temperature extremes without loss of flux. Assemblies are FEA-designed to allow prediction of speaker parameters and performance at the design stage. Use of demodulation rings and caps assists in minimising harmonic distortion, coil-inductance variation and flux modulation, while also offering minimised power compression and assistance with heat dissipation from the speaker core. This in turn aids power handling and reliability.

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03

FINISHED DRIVERS AWAIT FINAL TESTING BEFORE MOVING TO PACKAGING

THE PRECISION DEVICES TEAM

COMMITMENT TO Uk MANUFACTURINGWe are proud to support British industry, innovation and craftsmanship. All PD transducers are individually hand-made at our UK factory in Castleford, West Yorkshire, England. Precision Devices are not assembled from ‘off-the-shelf’ parts. Even the smallest engineered component is essential in delivering definitive performance. We work closely with experienced partners who utilise skills that have been passed down through generations in the heartland of British engineering excellence. By sourcing locally we are, as far as possible, reinvesting in the community and demonstrating our commitment to supporting local business and skills.

Investment in a PD product is not only an investment in high quality sound, it’s an investment in a unique heritage of British craftsmanship, from hand-wound voice coils in-house to hand-formed copper pole caps.

INvESTORS IN PEOPLEPrecision Devices takes its social responsibilities seriously. In recognition of our business strategy and our investments in staff and world-class production standards, we are proud to have been awarded ‘Investors in People’ status as of January 2014. Our recognition of the importance that every individual in the team from senior management through to our engineering apprentices has to play in the success of the company, has helped us to foster a strong teamwork ethic, through which our staff have a strong desire to be the best at what they do and individuals recognise how much value they add to the business.

We have seen a number of benefits, including a clearer understanding of company objectives through each department, improved workplace culture, increased business performance and customer satisfaction levels.

ENvIRONMENTAL POLICyAs a responsible British manufacturer we have made ourselves aware of the consequential impact our operations have on the environment. To minimise this impact, we have researched and implemented numerous methods to reduce our energy consumption in the day-to-day running of the factory. Our cartons are made only from FSC certified card, we ensure that all products are RoHS compliant and, wherever possible, we recycle or dispose of materials in an environmentally friendly manner.

QUALITy CRAFTSMANSHIPIt’s not just our end products that are world-class: our production processes are too. Over the years we’ve made many changes to our manufacturing practices, all of which were implemented to ensure our standards are nothing short of outstanding. We employ a modular construction process whereby each and every key stage of construction is tested and signed off individually. Final unit quality control takes place in dedicated test cabins, before the product is given a serial number that allows us full traceability in a policy of continuous improvement. The result is a thoroughly accurate and natural sound, along with improved reliability through precisely designed and manufactured components. These standards, among others, have helped us build strong, lasting relationships with our supply chain partners and customers.

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FERRITE RANGE OvERvIEW

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MODELApplication

Nominal DiameterPower Rating

SensitivityFrequency Range

V.C. DiameterMagnet Material

Weight

PD.2450Sub Bass Driver24” / 610 mm1000 w (A.E.S.)98 dB30 Hz - 1 kHz6.0” / 152 mmCeramic36 Kg / 79.37 lb.

PD.2150Sub Bass Driver21” / 530 mm1000 w (A.E.S.)98 dB30 Hz - 1 kHz6.0” / 152 mmCeramic31.75 Kg / 70.00 lb.

PD.1852Sub Bass Driver18” / 460 mm1000 w (A.E.S.)98 dB35 Hz - 2 kHz5.0” / 127 mmCeramic23.8 Kg / 52.47 lb.

PD.1851/2Sub Bass Driver18” / 460 mm1000 w (A.E.S.)98 dB35 Hz - 2 kHz5.0” / 127 mmCeramic24.8 Kg / 54.67 lb.


PD.188Sub Bass Driver18” / 460 mm600 w (A.E.S.)97.5 dB40 Hz - 3.5 kHz4.0” / 101 mmCeramic14 Kg / 30.86 lb.

MODELApplication




Weight


PD.184Bass Driver18” / 460 mm600 w (A.E.S.)98 dB40 Hz - 2.5 kHz4.0” / 101 mmCeramic14 Kg / 30.86 lb.

PD.18BR40Bass Driver18” / 460 mm700 w (A.E.S.)97 dB35 Hz - 3 kHz4.0” / 101 mmCeramic14.2 Kg / 31.31 lb.

PD.15BR40Bass/ Mid Range Driver15” / 380 mm700 w (A.E.S.)97 dB40 Hz - 2.5 kHz4.0” / 101 mmCeramic13.3 Kg / 29.32 lb.

PD.1550Bass Driver15” / 380 mm600 w (A.E.S.)99 dB40 Hz - 1.5 kHz4.0” / 101 mmCeramic12.8 Kg / 28.22 lb.


MODELApplication




Weight

PD.156Sub Bass Driver15” / 380 mm650 w (A.E.S.)96 dB50 Hz - 1.5 kHz4.5” / 115 mmCeramic13.25 Kg / 29.21 lb.


PD.153ERBass/ Mid Range Driver15” / 380 mm400 w (A.E.S.)100 dB40 Hz - 4.5 kHz3.0” / 76 mmCeramic9.5 Kg / 20.94 lb.

PD.123ERMid Range Driver12” / 300 mm400 w (A.E.S.)97 dB50 Hz - 5 kHz3.0” / 76 mmCeramic9.5 Kg / 20.94 lb.

PD.122Bass Driver12” / 300 mm400 w (A.E.S.)98 dB45 Hz - 3.5 kHz3.0” / 76 mmCeramic9.7 Kg / 21.38 lb.

PD.121Mid Range Driver12” / 300 mm300 w (A.E.S.)99 dB100 Hz - 6 kHz2.5” / 63 mmCeramic9.2 Kg / 20.28 lb.

PD.12SB30Sub Bass Driver12” / 300 mm400 w (A.E.S.)96 dB45 Hz - 3.5 kHz3.0” / 76 mmCeramic7.9 Kg / 17.42 lb.

PD.8BM20Bass/ Mid Range Driver8” / 200 mm200 w (A.E.S.)92 dB50 Hz - 4.5 kHz2.0” / 51 mmCeramic3.6 Kg / 7.94 lb.

PD.615WGMid Range Driver6.5” / 165 mm140 w (A.E.S.)100 dB800 Hz - 8 kHz1.5” / 38 mmCeramic3.6 Kg / 7.94 lb.

NEOdyMIUM RANGE OvERvIEW INTERPRETING OUR dATA

POWER RATINGS

We measure all of our drivers according to the A.E.S. standard protocols. Each driver is tested for

2 hours at rated power over the drivers working bandwidth, after which the driver should show no

appreciable signs of damage. Mechanical properties are also taken into consideration when classifying

power rating even though the electrical properties of the voice coil can often exceed the drivers’ listed

power rating.

THIELE SMALL PARAMETERS

Fs Resonance frequency of the driver’s moving mass (in free air).

Re DC resistance of the voice coil, measured in ohms.

Qms Mechanical Q of the driver at Fs.

Qes Electrical Q of the driver at Fs.

Qts Total Q of the driver at Fs.

Le Voice coil inductance measured in millihenries.

L2 Para inductance measured in millihenries.

R2 Eddy current resistance measured in ohms.

Vas Volume of air equal to the compliance of the driver’s suspension.

Mms Moving mass of the diaphragm including air load.

Sd Effective surface area of the diaphragm.

Cms Compliance of the driver’s suspension, in metres per Newton (the reciprocal of the units stiffness).

BL The product of magnetic field strength in the voice coil gap (Motor unit strength).

Xmax Maximum linear peak excursion of voice coil travel.

Vd Volume displaced by the driver’s cone.

DIMENSIONS AND FIXINGS

A Overall Diameter.

B Width Across Flats.

C Flange Height.

D Depth Excl. Flange Height.

E Magnet Diameter.

F Chassis Shoulder Diameter.

G Outer Bolt Circle PCD.

H Inner Bolt Circle PCD.A C

D

E F

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MODELApplication




Weight

MODELApplication




Weight

MODELApplication




Weight

PDN.2450Sub Bass Driver24” / 610 mm1000 w (A.E.S.)98 dB30 Hz - 1 kHz6.0” / 152 mmNeodymium25.8 Kg / 56.88 lb.

PDN.2151Sub Bass Driver21” / 530 mm1000 w (A.E.S.)98 dB30 Hz - 1 kHz6.0” / 152 mmNeodymium16.3 Kg / 35.93 lb.

PDN.18BR40Bass Driver18” / 460 mm700 w (A.E.S.)97 dB35 Hz - 3 kHz4.0” / 101 mmNeodymium8.7 Kg / 19.18 lb.

PDN.18SB40Sub Bass Driver18” / 460 mm600 w (A.E.S.)98 dB40 Hz - 3.5 kHz4.0” / 101 mmNeodymium8.5 Kg / 18.74 lb.

PDN.15BR40Bass/ Mid Range Driver15” / 380 mm700 w (A.E.S.)97 dB40 Hz - 2.5 kHz4.0” / 101 mmNeodymium7.8 Kg / 17.20 lb.

PDN.15SB40Sub Bass Driver15” / 380 mm600 w (A.E.S.)98 dB40 Hz - 3 kHz4.0” / 101 mmNeodymium7.7 Kg / 16.98 lb.

PDN.12SB40Sub Bass Driver12” / 300 mm600 w (A.E.S.)95 dB40 Hz - 2 kHz4.0” / 101 mmNeodymium6.75 Kg / 14.88 lb.

PDN.12MH25Mid Range Driver12” / 300 mm300 w (A.E.S.)100 dB60 Hz - 5 kHz2.5” / 63 mmNeodymium4.5 Kg / 9.92 lb.

PDN.10MH25Mid Range Driver10” / 250 mm300 w (A.E.S.)99 dB80 Hz - 5 kHz2.5” / 63 mmNeodymium3.26 Kg / 7.19 lb.

PDN.8BM32Bass/ Mid Range Driver8” / 200 mm150 w (A.E.S.)96 dB70 Hz - 5 kHz2.0” / 51 mmNeodymium2.2 Kg / 4.85 lb.

PDN.8BM31Bass/ Mid Range Driver8” / 200 mm150 w (A.E.S.)95 dB70 Hz - 5 kHz2.0” / 51 mmNeodymium2.2 Kg / 4.85 lb.

NOMINAL DIAMETER POWER HANDLING SENSITIVITY FREQUENCY RESPONSE VOICE COIL DIAMETER

FREQUENCY RESPONSE AND IMPEDANCE CURVEPRODUCT FEATURES

© 2014, Precision Devices International Ltd. We operate a policy of continuous research and development and as such published specifications are subject to change without notice.

THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 610 mm / 24” Voice Coil Diameter 152 mm / 6.0”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 1000 w (A.E.S.)Peak Power (6dB Crest Factor) 4000 w (A.E.S.)Sensitivity (1w - 1m) 98 dBFrequency Range 30 Hz - 1 kHzRecommended Enclosure Volume 130 - 400 LitresResonance 32.37 HzVoice Coil Winding Depth 30 mm / 1.18”Magnet Gap Depth 15 mm / 0.59”Flux Density 1.1 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material Dual FabricCone / Surround Material Paper / Fabric

DIMENSIONSOverall Diameter 632 mmWidth Across Flats 610 mmFlange Height 17 mmDepth (Excl. Flange) 228 mmMagnet Diameter 316 mm

MOUNTING INFORMATIONChassis Shoulder Diameter 573 mmOuter Bolt Circle 6x M8 on 605 mm PCDInner Bolt Circle N/A

WEIGHTNett Weight 36 Kg / 79.37 lb.Shipping Weight 41 Kg / 90.39 lb.

Fs 32.37 HzRe 5.23 ΩQms 13.03Qes 0.34Qts 0.33Le 1.75 mHL2 3.79 mHR2 12.15 Ω

Vas 404.89 litresMms 424.08 gSd 2248.01 cm2

Cms 57 μm/NBL 36.48 T/mXmax 10.5 mmVd 2.36 litresRef. Efficiency 4.04 %

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*1 Power compression is the reduction of sensitivity at the specified power. Higher power ratings do not necessarily give a proportionate increase in SPL therefore the maximum SPL of the driver may significantly exceed that of other manufacturers with high power ratings.

1. A.E.S. Standard (40 to 400 Hz). 2. A.E.S. Recommended Practice. 3. Thiele - Small Parameters follow a 1000 Watt A.E.S. preconditioning period.

Please note that frequency response measurements are supplied for comparison purposes only and are not a measure of the low frequency performance which may be achievable in a fully optimised system.

*2.83V. Half space response measured in a 975 Litre sealed enclosure.

Heavy-duty cast aluminium chassis for increased rigidity.

Power compression 2dB at rated power.

A B/L in excess of 36 T/m.

Double suspension system.

Suitable for horn loaded or bass reflex designs.

24” / 610 mm 1000 w (A.E.S.) 98 dB 30 Hz - 1 kHz 6.0” / 152 mm 10.5 mm Xmax

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PD.2450 | SUB BASS DRIvER


FREQUENCY RESPONSE AND IMPEDANCE CURVE PRODUCT FEATURES


THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 530 mm / 21”Voice Coil Diameter 152 mm / 6.0”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 1000 w (A.E.S.)Peak Power (6dB Crest Factor) 4000 w (A.E.S.)Sensitivity (1w - 1m) 98 dBFrequency Range 30 Hz - 1 kHzRecommended Enclosure Volume 130 - 350 LitresResonance 29.5 HzVoice Coil Winding Depth 30 mm / 1.18”Magnet Gap Depth 15 mm / 0.59”Flux Density 1.1 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material Dual FabricCone / Surround Material Paper / Fabric



WEIGHTNett Weight 31.75 Kg / 70.00 lb.Shipping Weight 33.75 Kg / 74.41 lb.



Cms 76.4 μm/NBL 37.42 T/mXmax 10.5 mmVd 1.712 litresRef. Efficiency 3.39 %

300114




*2.83V. Half space response measured in a 234 Litre vented enclosure.







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SUB BASS DRIvER | PD.2150




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 460 mm / 18”Voice Coil Diameter 127 mm / 5.0”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 1000 w (A.E.S.)Peak Power (6dB Crest Factor) 4000 w (A.E.S.)Sensitivity (1w - 1m) 98 dBFrequency Range 35 Hz - 2 kHzRecommended Enclosure Volume 90 -220 LitresResonance 41.85 HzVoice Coil Winding Depth 29 mm / 1.14”Magnet Gap Depth 12 mm / 0.47”Flux Density 1.18 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material Dual siliconeCone / Surround Material Paper / HGBC

DIMENSIONSOverall Diameter 474 mmWidth Across Flats 459 mmFlange Height 14.5 mmDepth (Excl. Flange) 178 mmMagnet Diameter 280 mm

MOUNTING INFORMATIONChassis Shoulder Diameter 414.5 mmOuter Bolt Circle 6x M8 on 455 mm PCDInner Bolt Circle N/A




Cms 63 μm/NBL 30.47 T/mXmax 12 mmVd 1.397 litresRef. Efficiency 2.34 %

300114






Power compression only 1.7dB at rated power.


Double suspension.

Appropriate for applications as diverse as scoop bins, conventional reflex cabinets and horn loaded systems.

Silicone suspension system.

Increased excursion over an 1850/2.

Warm tonal sound.

18” / 460 mm 1000 w (A.E.S.) 98 dB 35 Hz - 2 kHz 5.0” / 127 mm 12 mm Xmax

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THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 460 mm / 18”Voice Coil Diameter 127 mm / 5.0”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 1000 w (A.E.S.)Peak Power (6dB Crest Factor) 4000 w (A.E.S.)Sensitivity (1w - 1m) 98 dBFrequency Range 35 Hz - 2 kHzRecommended Enclosure Volume 90 -220 LitresResonance 37.03 HzVoice Coil Winding Depth 29 mm / 1.14”Magnet Gap Depth 12 mm / 0.47”Flux Density 1.18 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material AcrylicCone / Surround Material Paper / HGBC






Cms 84.33 μm/NBL 31.48 T/mXmax 12 mmVd 1.397 litresRef. Efficiency 2.31 %

300114








Double suspension.


Increased excursion over an 1850/2.


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SUB BASS DRIvER | PD.1851/2




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 460 mm / 18”Voice Coil Diameter 127 mm / 5.0”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 800 w (A.E.S.)Peak Power (6dB Crest Factor) 3200 w (A.E.S.)Sensitivity (1w - 1m) 98 dBFrequency Range 35 Hz - 2 kHzRecommended Enclosure Volume 90 - 220 LitresResonance 33.15 HzVoice Coil Winding Depth 28 mm / 1.1”Magnet Gap Depth 12 mm / 0.47”Flux Density 1.18 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material FabricCone / Surround Material Paper / Fabric







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Double suspension.



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PD.1850/2 | SUB BASS DRIvER




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 460 mm / 18”Voice Coil Diameter 101 mm / 4.0”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 600 w (A.E.S.)Peak Power (6dB Crest Factor) 2400 w (A.E.S.)Sensitivity (1w - 1m) 97.5 dBFrequency Range 40 Hz - 3.5 kHzRecommended Enclosure Volume 100 - 350 LitresResonance 36.22 HzVoice Coil Winding Depth 19 mm / 0.75”Magnet Gap Depth 11 mm / 0.43”Flux Density 1.1 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material Dual FabricCone / Surround Material Paper / Fabric



WEIGHTNett Weight 14 Kg / 30.86 lb.Shipping Weight 15.25 Kg / 33.62 lb.




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Effective transducer in a variety of versatile applications.

Suitable for horn loaded or reflex designs.

18” / 460 mm 600 w (A.E.S.) 97.5 dB 40 Hz - 3.5 kHz 4.0” / 101 mm 6 mm Xmax

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Suitable for horn loaded or reflex designs.


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PD.186/2 | SUB BASS DRIvER




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 460 mm / 18”Voice Coil Diameter 101 mm / 4.0”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 600 w (A.E.S.)Peak Power (6dB Crest Factor) 2400 w (A.E.S.)Sensitivity (1w - 1m) 98 dBFrequency Range 40 Hz - 2.5 kHzRecommended Enclosure Volume 100 - 300 LitresResonance 33.38 HzVoice Coil Winding Depth 22 mm / 0.87”Magnet Gap Depth 11 mm / 0.43”Flux Density 0.97 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material FabricCone / Surround Material Paper / Fabric



WEIGHTNett Weight 14 Kg / 30.86 lb.Shipping Weight 15.25 Kg / 33.62 lb.


Vas 304 litresMms 142.88 gSd 1164.16 cm2


300114






versatile, easy to use 18” transducer.

18” / 460 mm 600 w (A.E.S.) 98 dB 40 Hz - 2.5 kHz 4.0” / 101 mm 8 mm Xmax

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BASS DRIvER | PD.184




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 460 mm / 18”Voice Coil Diameter 101 mm / 4.0”Available Impedances 8 OhmsPower Rating 700 w (A.E.S.)Peak Power (6dB Crest Factor) 2800 w (A.E.S.)Sensitivity (1w - 1m) 97 dBFrequency Range 35 Hz - 3 kHzRecommended Enclosure Volume 100 - 350 LitresResonance 30.03 HzVoice Coil Winding Depth 25 mm / 0.98”Magnet Gap Depth 9 mm / 0.35”Flux Density 1.34 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material FabricCone / Surround Material Paper / Fabric







300114






A smooth extended mid range to allow easy crossover integration.

Suitable for bass reflex designs.


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PD.18BR40 | BASS DRIvER




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 380 mm / 15”Voice Coil Diameter 101 mm / 4.0”Available Impedances 8 OhmsPower Rating 700 w (A.E.S.)Peak Power (6dB Crest Factor) 2800 w (A.E.S.)Sensitivity (1w - 1m) 97 dBFrequency Range 40 Hz - 2.5 kHzRecommended Enclosure Volume 75 - 200 LitresResonance 38.37 HzVoice Coil Winding Depth 25 mm / 0.98”Magnet Gap Depth 9 mm / 0.35”Flux Density 1.34 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material FabricCone / Surround Material Paper / Fabric


MOUNTING INFORMATIONChassis Shoulder Diameter 357 mmOuter Bolt Circle 6x M6 on 395 mm PCDInner Bolt Circle 8x M6 on 370 mm PCD





300114








15” / 380 mm 700 w (A.E.S.) 97 dB 40 Hz - 2.5 kHz 4.0” / 101 mm 10.5 mm Xmax

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BASS/ MID RANGE DRIvER | PD.15BR40







WEIGHTNett Weight 12.8 Kg / 28.22 lb.Shipping Weight 14 Kg / 30.86 lb.




300114






Power compression only 2.7dB at rated power*.


Suitable for both horn-loaded and bass reflex designs.


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PD.1550 | BASS DRIvER











300114







Easy integration with 1” or 2” compression drivers.


Also suitable for 1x15” or 2x15” horn loaded/bandpass sub bass designs.


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THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 380 mm / 15”Voice Coil Diameter 115 mm / 4.5”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 650 w (A.E.S.)Peak Power (6dB Crest Factor) 2600 w (A.E.S.)Sensitivity (1w - 1m) 96 dBFrequency Range 50 Hz - 1.5 kHzRecommended Enclosure Volume 90 - 280 LitresResonance 50.25 HzVoice Coil Winding Depth 21 mm / 0.83”Magnet Gap Depth 9 mm / 0.35”Flux Density 1.5 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material Dual FabricCone / Surround Material Paper / Fabric




Fs 50.25 HzRe 5.69 ΩQms 7.45Qes 0.5Qts 0.47Le 1 mHL2 1.84 mHR2 17.98 Ω



300114







Easy integration with 2” compression drivers.


15” / 380 mm 650 w (A.E.S.) 96 dB 50 Hz - 1.5 kHz 4.5” / 115 mm

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8.1 mm Xmax









Fs 44.94 HzRe 6.5 ΩQms 20.44Qes 0.27Qts 0.27Le 1.03 mHL2 2.59 mHR2 21 Ω



300114







Ideal for three-way direct radiating systems.

Suitable for bass guitar applications.

15” / 380 mm 500 w (A.E.S.) 97 dB 40 Hz - 2 kHz 4.0” / 101 mm

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7.7 mm Xmax





THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 380 mm / 15”Voice Coil Diameter 76 mm / 3.0”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 400 w (A.E.S.)Peak Power (6dB Crest Factor) 1600 w (A.E.S.)Sensitivity (1w - 1m) 100 dBFrequency Range 40 Hz - 4.5 kHzRecommended Enclosure Volume 80 - 200 LitresResonance 40 HzVoice Coil Winding Depth 17 mm / 0.67”Magnet Gap Depth 9 mm / 0.35”Flux Density 1.35 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material FabricCone / Surround Material Paper / Fabric




Fs 40 HzRe 5.87 ΩQms 8.65Qes 0.22Qts 0.21Le 0.48 mHL2 3.09 mHR2 7.17 Ω



300114







Extended mid range response up to 4.5kHz.

Suitable for either direct radiating or popular horn loaded mid/high applications.

Easy integration with small format compression drivers.


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PD.153ER | BASS/ MID RANGE DRIvER





DIMENSIONSOverall Diameter 330 mmWidth Across Flats 320.5 mmFlange Height 10 mmDepth (Excl. Flange) 117 mmMagnet Diameter 200 mm






300114







Extended mid range response up to 5kHz.

Suitable for either direct radiating or popular horn loaded mid/high applications.

Easy integration with small format compression drivers.


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MID RANGE DRIvER | PD.123ER




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 300 mm / 12”Voice Coil Diameter 76 mm / 3.0”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 400 w (A.E.S.)Peak Power (6dB Crest Factor) 1600 w (A.E.S.)Sensitivity (1w - 1m) 98 dBFrequency Range 45 Hz - 3.5 kHzRecommended Enclosure Volume 30 -120 LitresResonance 59.23 HzVoice Coil Winding Depth 17 mm / 0.67”Magnet Gap Depth 11 mm / 0.43”Flux Density 1.32 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material FabricCone / Surround Material Paper / Fabric







300114







Smooth bass response in a reflex enclosure.

Suitable for use in small compact full range systems.



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PD.122 | BASS DRIvER




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 300 mm / 12”Voice Coil Diameter 63 mm / 2.5” Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 300 w (A.E.S.)Peak Power (6dB Crest Factor) 1200 w (A.E.S.)Sensitivity (1w - 1m) 99 dBFrequency Range 100 Hz - 6 kHzRecommended Enclosure Volume 10 - 60 LitresResonance 53.27 HzVoice Coil Winding Depth 12 mm / 0.47”Magnet Gap Depth 9 mm / 0.35”Flux Density 1.5 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material FabricCone / Surround Material Paper / Fabric







300114






Mid range transducer suitable for either direct radiating or horn loaded applications.

Smooth response for easy integration across vocal frequency band.


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MID RANGE DRIvER | PD.121











300114






Smooth extended low-frequency response.

Suitable for bass reflex and bandpass applications.



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PD.12SB30 | SUB BASS DRIvER




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 200 mm / 8”Voice Coil Diameter 51 mm / 2.0”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 200 w (A.E.S.)Peak Power (6dB Crest Factor) 800 w (A.E.S.)Sensitivity (1w - 1m) 92 dBFrequency Range 50 Hz - 4.5 kHzRecommended Enclosure Volume 5 - 20 LitresResonance 49.04 HzVoice Coil Winding Depth 13 mm / 0.51”Magnet Gap Depth 6 mm / 0.24”Flux Density 1.29 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material FabricCone / Surround Material Paper / Rubber

DIMENSIONSOverall Diameter 210 mmWidth Across Flats 0 mmFlange Height 8.5 mmDepth (Excl. Flange) 84.5 mmMagnet Diameter 135 mm






300114





A perfect choice for full range high power applications in compact cabinets.

Excels in compact sound systems.

Ideal for low profile cabinets with excellent low frequency response.


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BASS/ MID RANGE DRIvER | PD.8BM20




THIELE SMALL PARAMETERS (16Ω MODEL)SPECIFICATIONSNominal Diameter 165 mm / 6.5”Voice Coil Diameter 38 mm / 1.5”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 140 w (A.E.S.)Peak Power (6dB Crest Factor) 560 w (A.E.S.)Sensitivity (1w - 1m) 100 dBFrequency Range 800 Hz - 8 kHzRecommended Enclosure Volume N/AResonance 560 HzVoice Coil Winding Depth 8.2 mm / 0.32”Magnet Gap Depth 6 mm / 0.24”Flux Density 1.85 TeslaMagnet Material CeramicVoice Coil Material CopperFormer Material Glass FibreDust Dome Material FeltSuspension Material FabricCone / Surround Material Paper / Fabric




Fs 560 HzRe 12.89 ΩQms N/AQes N/AQts N/ALe 0.17 mHL2 0.56 mHR2 15.23 Ω

Vas N/AMms N/ASd 132.73 cm2

Cms N/ABL 17.15 T/mXmax 2.5 mmVd 0.0381 litresRef. Efficiency 5.05 %

300114



Please note that frequency response measurements are supplied for comparison purposes only and are not a measure of the low frequency performance which may be achievable in a fully optimised system. Raw data measured at 1W 1M without waveguide.

*2.83V. Half space response.

For use with custom designed waveguide.

Sealed chassis offers this unit independence from main enclosure.

6.5” / 165 mm 140 w (A.E.S.) 100 dB 800 Hz - 8 kHz 1.5” / 38 mm 2.5 mm Xmax

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PD.615WG | MID RANGE DRIvER




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 610 mm / 24”Voice Coil Diameter 152 mm / 6.0”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 1000 w (A.E.S.)Peak Power (6dB Crest Factor) 4000 w (A.E.S.)Sensitivity (1w - 1m) 98 dBFrequency Range 30 Hz - 1 kHzRecommended Enclosure Volume 130 - 400 LitresResonance 31.48 HzVoice Coil Winding Depth 30 mm / 1.18”Magnet Gap Depth 15 mm / 0.59”Flux Density 1.1 TeslaMagnet Material NeodymiumVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material Dual FabricCone / Surround Material Paper / Fabric







300114










Lightweight neodymium magnet.


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SUB BASS DRIvER | PDN.2450











300114












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PDN.2151 | SUB BASS DRIvER




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 460 mm / 18”Voice Coil Diameter 101 mm / 4.0”Available Impedances 8 OhmsPower Rating 700 w (A.E.S.)Peak Power (6dB Crest Factor) 2800 w (A.E.S.)Sensitivity (1w - 1m) 97 dBFrequency Range 35 Hz - 3 kHzRecommended Enclosure Volume 100 - 350 LitresResonance 30.06 HzVoice Coil Winding Depth 25 mm / 0.98”Magnet Gap Depth 9 mm / 0.35”Flux Density 1.32 TeslaMagnet Material NeodymiumVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material FabricCone / Surround Material Paper / Fabric







300114










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BASS DRIvER | PDN.18BR40




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 460 mm / 18”Voice Coil Diameter 101 mm / 4.0”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 600 w (A.E.S.)Peak Power (6dB Crest Factor) 2400 w (A.E.S.)Sensitivity (1w - 1m) 98 dBFrequency Range 40 Hz - 3.5 kHzRecommended Enclosure Volume 100 - 350 LitresResonance 37.28 HzVoice Coil Winding Depth 19 mm / 0.75”Magnet Gap Depth 11 mm / 0.43”Flux Density 1.2 TeslaMagnet Material NeodymiumVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material Dual FabricCone / Surround Material Paper / Fabric







300114







Complimented by PDN.10MH25 or PDN.12MH25.



Also suitable for horn loaded/bandpass sub bass designs.

Lightweight neodymium magnet assembly.


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PDN.18SB40 | SUB BASS DRIvER




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 380 mm / 15”Voice Coil Diameter 101 mm / 4.0”Available Impedances 8 OhmsPower Rating 700 w (A.E.S.)Peak Power (6dB Crest Factor) 2800 w (A.E.S.)Sensitivity (1w - 1m) 97 dBFrequency Range 40 Hz - 2.5 kHzRecommended Enclosure Volume 75 - 200 LitresResonance 39.22 HzVoice Coil Winding Depth 25 mm / 0.98”Magnet Gap Depth 9 mm / 0.35”Flux Density 1.37 TeslaMagnet Material NeodymiumVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material FabricCone / Surround Material Paper / Fabric







300114










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BASS/ MID RANGE DRIvER | PDN.15BR40











300114









Also suitable for 1x15” or 2x15” horn loaded/bandpass sub bass designs.

Lightweight neodymium magnet assembly.


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PDN.15SB40 | SUB BASS DRIvER




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 300 mm / 12”Voice Coil Diameter 101 mm / 4.0”Available Impedances 8 OhmsPower Rating 600 w (A.E.S.)Peak Power (6dB Crest Factor) 2400 w (A.E.S.)Sensitivity (1w - 1m) 95 dBFrequency Range 40 Hz - 2 kHzRecommended Enclosure Volume 25 - 100 LitresResonance 49.91 HzVoice Coil Winding Depth 22 mm / 0.87”Magnet Gap Depth 8 mm / 0.31”Flux Density 1.13 TeslaMagnet Material NeodymiumVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material Dual FabricCone / Surround Material Paper / Fabric






Cms 115.67 μm/NBL 21 T/mXmax 9.2 mmVd 1.1 litresRef. Efficiency 1.13 %

300114






Smooth extended low-frequency response.

Suitable for bass reflex and bandpass applications.



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SUB BASS DRIvER | PDN.12SB40




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 300 mm / 12”Voice Coil Diameter 63 mm / 2.5”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 300 w (A.E.S.)Peak Power (6dB Crest Factor) 1200 w (A.E.S.)Sensitivity (1w - 1m) 100 dBFrequency Range 60 Hz - 5 kHzRecommended Enclosure Volume 25 - 70 LitresResonance 58.12 HzVoice Coil Winding Depth 11 mm / 0.43”Magnet Gap Depth 8 mm / 0.31”Flux Density 1.67 TeslaMagnet Material NeodymiumVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material FabricCone / Surround Material Paper / Fabric







300114






Neodymium magnet assembly.


Synthetic loaded paper cone.

Suitable for direct radiating or horn loaded mid/high applications.


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PDN.12MH25 | MID RANGE DRIvER




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 250 mm / 10”Voice Coil Diameter 63 mm / 2.5”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 300 w (A.E.S.)Peak Power (6dB Crest Factor) 1200 w (A.E.S.)Sensitivity (1w - 1m) 99 dBFrequency Range 80 Hz - 5 kHzRecommended Enclosure Volume 20 - 60 LitresResonance 73.73 HzVoice Coil Winding Depth 11 mm / 0.43”Magnet Gap Depth 8 mm / 0.31”Flux Density 1.67 TeslaMagnet Material NeodymiumVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material FabricCone / Surround Material Paper / Fabric







300114






Mid range transducer.

Synthetic loaded paper cone.


Suitable for direct radiating or horn loaded mid/high applications.


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Hz

MID RANGE DRIvER | PDN.10MH25




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 200 mm / 8”Voice Coil Diameter 51 mm / 2.0”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 150 w (A.E.S.)Peak Power (6dB Crest Factor) 600 w (A.E.S.)Sensitivity (1w - 1m) 96 dBFrequency Range 70 Hz - 5 kHzRecommended Enclosure Volume 5 - 20 LitresResonance 65.87 HzVoice Coil Winding Depth 11.5 mm / 0.45”Magnet Gap Depth 6.5 mm / 0.26”Flux Density 1.43 TeslaMagnet Material NeodymiumVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material FabricCone / Surround Material Paper / Fabric




Fs 65.87 HzRe 5.55 ΩQms 9.42Qes 0.32Qts 0.31Le 0.36 mHL2 0.84 mHR2 5 Ω



300114










SPO

T CO

LOU

R (B

lack

+ c

usto

m s

ilver

)

MO

NO

FULL

CO

LOU

RFO

R D

ARK

BAC

KGRO

UN

DS

37

200

50

100

150

200

250

300

+50

+60

+70

+80

+90

+100

+110

50 100 200 500 1k 2k 5k 10k 20k


Hz

PDN.8BM32 | BASS/ MID RANGE DRIvER




THIELE SMALL PARAMETERS (8Ω MODEL)SPECIFICATIONSNominal Diameter 200 mm / 8”Voice Coil Diameter 51 mm / 2.0”Available Impedances 4 Ohms/ 8 Ohms/ 16 OhmsPower Rating 150 w (A.E.S.)Peak Power (6dB Crest Factor) 600 w (A.E.S.)Sensitivity (1w - 1m) 95 dBFrequency Range 70 Hz - 5 kHzRecommended Enclosure Volume 5 - 20 LitresResonance 79.34 HzVoice Coil Winding Depth 11.5 mm / 0.45”Magnet Gap Depth 6.5 mm / 0.26”Flux Density 1.43 TeslaMagnet Material NeodymiumVoice Coil Material CopperFormer Material Glass FibreDust Dome Material PaperSuspension Material FabricCone / Surround Material Paper / Fabric







300114










SPO

T CO

LOU

R (B

lack

+ c

usto

m s

ilver

)

MO

NO

FULL

CO

LOU

RFO

R D

ARK

BAC

KGRO

UN

DS

38

200

50

100

150

200

250

300

+50

+60

+70

+80

+90

+100

+110

50 100 200 500 1k 2k 5k 10k 20k


Hz

BASS/ MID RANGE DRIvER | PDN.8BM31

Sovereign House | Gilcar Way | Wakefield Europort | Castleford | WF10 5QS | England

T. +44 (0)1924 224610 | F. + (0)1924 899166 | E. [email protected]

www.precision-devices.com

© 2014, Precision Devices International Ltd. Precision Devices International Ltd operates a policy of continuous product development and reserves the right to change specification at any time without notice. Any specifications or product images in this document are correct at the time of publication.

040214

SPOT COLOUR (Black + custom silver)

MONO

FULL COLOUR FOR DARK BACKGROUNDS

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