PD.156

Sub Bass Driver
  • Heavy-duty cast aluminium Chassis for increased rigidity
  • Double suspension system
  • Easy integration with 2″ compression drivers
  • Effective transducer in a variety of versatile applications
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Download PDF Datasheet
General Specifications
Nominal Diameter15" / 380 mm
Voice Coil Diameter4.5" / 115 mm
Available Impedances4 Ω/ 8 Ω/ 16 Ω
Power Rating 1 2 *650 w (A.E.S.)
Peak Power (6dB Crest Factor)*2600 w (A.E.S.)
Sensitivity (1W – 1m)*96 dB
Frequency Range50 Hz - 1.5 kHz
Recommended Enclosure Volume90 - 280 Litres
Resonance50.25 Hz
Voice Coil Winding Depth21 mm / 0.83"
Magnet Gap Depth9 mm / 0.35"
Flux Density1.5 Tesla
Magnet MaterialCeramic
Magnet Weight
Voice Coil MaterialCopper
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Suspension MaterialDual Fabric
Cone MaterialPaper
Surround MaterialFabric
Thiele Small Parameters
Fs50.25 Hz
Re5.69 Ω
Qms7.45
Qes0.5
Qts0.47
Le (@1 kHz)
Le (@10 kHz)1 mh
Vas93.4 litres
Mms124.55 g
Sd907.92 cm2
Cms80.83 µm/N
BL20.98 T/m
Xmax8.1 mm
Vd0.648 litres
Ref. Efficiency3.63%
EBP100.5 Hz

 

Dimensions & Mounting
Overall Diameter410 mm
Widths Across Flats395 mm
Flange Height10 mm
Depth (Excl. Flange)143 mm
Magnet Diameter220 mm
Chassis Shoulder Diameter357 mm
Outer Bolt Circle6 * M6 on 395mm PCD
Inner Bolt Circle8 * M6 on 370mm PCD

 

Shipping Information
Nett Weight13.25 Kg / 29.21 lb.
Shipping Weight14.25 Kg / 31.42 lb.
Notes
*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 (45 to 450 Hz) Program 1300 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 650 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.
Frequency Response & Impedance
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