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Mid Range Driver
  • Special Order / OEM Only
  • Contact info@precision-devices.com for order information
  • Supersedes the PD.615WG
  • New and improved chassis design
  • For use with custom designed waveguide
  • Sealed chassis offers this unit independence from main enclosure


6.5" - 165 mm

Coil Diameter

1.5" - 38 mm

Power Rating

140 w (A.E.S.)

Frequency Range

800 Hz - 8 kHz


100 dB


2.5 mm
SKU: PD.615WG.8 Category:

Sorry, this product is out of manufacture and no longer available.

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General Specifications
TypeMid Range Driver
Nominal Diameter6.5" - 165 mm
Voice Coil Diameter1.5" - 38 mm
Power Rating 1 2 *140 w (A.E.S.)
Available Impedance4 Ω/ 8 Ω/ 16 Ω
Sensitivity (1W/ 1m)*100 dB
Frequency Range800 Hz - 8 kHz
Peak Power (6 dB Crest Factor)560 w (A.E.S.)
Resonance560 Hz
Voice Coil Winding Depth8.2 mm / 0.32"
Recommended Enclosure VolumeN/A
Flux Density1.85 Tesla
Magnet MaterialCeramic
Magnet Gap Depth6 mm / 0.24"
Former MaterialGlass Fibre
Dust Dome MaterialFelt
Voice Coil MaterialCopper
Cone MaterialPaper
Suspension MaterialFabric
Surround MaterialFabric
Thiele Small Parameters
Fs560 Hz
Re12.89 Ω
Le (@ 1 kHz)0.17 mH
Sd132.73 cm2
BL17.15 T/m
Xmax2.5 mm
Vd0.0381 litres
Ref. Efficiency5.05%
Dimensions & Mounting
Overall Diameter200 mm
Width Across Flats193 mm
Flange Height9 mm
Depth (Excl. Flange)74 mm
Magnet Diameter154 mm
Chassis Shoulder Diameter162 mm
Outer Bolt Circle6x M5 on 183 mm PCD
Inner Bolt CircleN/A
Shipping Information
Nett Weight4.95 Kg / 10.91 lb
Shipping Weight5.35 Kg / 11.79 lb
*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. AES Standard (50 to 500 Hz) Program 800 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 200 Watt 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. Raw data measurwed at 1W/ 1m without waveguide.
Frequency Response & Impedance
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