Mid Range Driver
  • Special Order / OEM Only.
  • Contact info@precision-devices.com for order information.
  • Superseded by the PD.615WG/2
  • For use with custom designed waveguide
  • Sealed chassis offers this unit independence from main enclosure
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Download PDF Datasheet
General Specifications
Nominal Diameter6.5" / 165 mm
Voice Coil Diameter1.5" - 38 mm
Available Impedances4 Ω/ 8 Ω/ 16 Ω
Power Rating 1 2 *140 w (A.E.S.)
Peak Power (6dB Crest Factor)*560 w (A.E.S.)
Sensitivity (1W – 1m)*100 dB
Frequency Range800 Hz - 8 kHz
Recommended Enclosure VolumeN/A
Resonance560 Hz
Voice Coil Winding Depth8.2 mm / 0.32"
Magnet Gap Depth6 mm / 0.24"
Flux Density1.85 Tesla
Magnet MaterialCeramic
Magnet Weight
Voice Coil MaterialCopper
Former MaterialGlass Fibre
Dust Dome MaterialFelt
Suspension MaterialFabric
Cone MaterialPaper
Surround MaterialFabric
Thiele Small Parameters
Fs560 Hz
Re12.89 Ω
Le (@1 kHz)
Le (@10 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
Widths Across Flats193 mm
Flange Height8.5 mm
Depth (Excl. Flange)74 mm
Magnet Diameter154 mm
Chassis Shoulder Diameter162 mm
Outer Bolt Circle6 * M5 on 180mm PCD
Inner Bolt CircleN/A


Shipping Information
Nett Weight3.6 Kg / 7.94 lb.
Shipping Weight3.9 Kg / 8.6 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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