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Mid Range Driver
  • Lightweight neodymium design, weighs only 1.9 Kg
  • For use with custom designed waveguide
  • Sealed chassis offers this unit independence from main enclosure
  • Deep cone profile
Klippel Verifeid


6.5" / 165 mm

Coil Diameter

1.5" / 38 mm

Power Rating

140 W (A.E.S.)

Frequency Range

600 Hz - 10 kHz


100 dB


2.5 mm

Designed for use with custom designed waveguide to provide outstanding mid range and extended response.

SKU: PD.615N002.8 Categories: , , Tag:


This model is part of our OEM series and will be manufactured to order, please get in touch with us for more information.

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Frequency Response Graph
Impedance GRAPH
General Specifications
Type Mid Range Driver
Available Impedance 4 Ω/ 8 Ω/ 16 Ω
Nominal Diameter 6.5" / 165 mm
Voice Coil Diameter 1.5" / 38 mm
Peak Power (6 dB Crest Factor) * 560 W (A.E.S.)
Power Rating 1 2 * 140 W (A.E.S.)
Sensitivity (1W/ 1m) * 100 dB
Frequency Range 600 Hz - 10 kHz
Resonance 580 Hz
Voice Coil Winding Depth 0.32" / 8.20 mm
Recommended Enclosure Volume N/A
Flux Density 1.65 Tesla
Magnet Material Neodymium
Magnet Gap Depth 6.00 mm / 0.24"
Former Material Glass Fibre
Dust Dome Material Felt
Voice Coil Material Copper
Cone Material Paper
Suspension Material Poly Cotton
Surround Material Fabric
Thiele Small Parameters
Fs 580 Hz
Re 13.5 Ω
Qms N/A
Qes N/A
Qts N/A
Le (@ 1 kHz) 2.175 mH
Vas N/A
Mms N/A
Sd 132.73 cm2
Cms N/A
BL 17.00 T/m
Xmax 2.5 mm
Vd 0.038 Litres
Ref. Efficiency 4.80%
Dimensions & Mounting
Overall Diameter 200.00 mm
Width Across Flats 163 mm
Flange Height 8.50 mm
Depth (Excl. Flange) 60.00 mm
Magnet Diameter 106 mm
Chassis Shoulder Diameter 162.00 mm
Outer Bolt Circle x6 M5 180 mm PCD
Inner Bolt Circle N/A
Shipping Information
Nett Weight 1.90 Kg / 4.19 lb
Shipping Weight 2.20 Kg / 4.85 lb
* 2.83V. Half space response measured in a 975 litre sealed enclosure.

*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.

** Distortion is measured at 10% of the rated power (AES Standard).

1. AES Standard (600 to 6000 Hz) Program 140 Watts.

2. AES Recommended Practice.

3. Thiele - Small Parameters follow a 140 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.
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