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PD.122

Bass Driver
  • Discontinued – Special Order / OEM Only
  • Contact info@precision-devices.com for order information
  • Heavy-duty cast aluminium chassis for increased rigidity
  • A B/L in excess of 24 T/m
  • Smooth bass response in a reflex enclosure
  • Suitable for use in small compact full range systems
  • Easy integration with 1″ or 2″ compression drivers

Diameter

12" / 300 mm

Coil Diameter

3.0" / 76 mm

Power Rating

400 w (A.E.S.)

Frequency Range

45 Hz - 3.5 kHz

Sensitivity

98 dB

Xmax

4.7 mm
SKU: PD.122.8 Category:

MRRP Ex. VAT

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General Specifications
TypeBass Driver
Nominal Diameter12" / 300 mm
Voice Coil Diameter3.0" / 76 mm
Power Rating 1 2 *400 w (A.E.S.)
Available Impedance4 Ω/ 8 Ω/ 16 Ω
Sensitivity (1W/ 1m)*98 dB
Frequency Range45 Hz - 3.5 kHz
Peak Power (6 dB Crest Factor)1600 w (A.E.S.)
Resonance59.23 Hz
Voice Coil Winding Depth17 mm / 0.67"
Recommended Enclosure Volume30 -120 Litres
Flux Density1.32 Tesla
Magnet MaterialCeramic
Magnet Gap Depth11 mm / 0.43"
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Voice Coil MaterialCopper
Cone MaterialPaper
Suspension MaterialFabric
Surround MaterialFabric
Thiele Small Parameters
Fs59.23 Hz
Re5.91 Ω
Qms15.9
Qes0.24
Qts0.24
Le (@ 1 kHz)0.69 mh
Vas44.03 litres
Mms65.12 g
Sd530.93 cm2
Cms110.89 µm/N
BL24.29 T/m
Xmax4.7 mm
Vd0.259 litres
Ref. Efficiency3.47%
EBP246.79 Hz
Dimensions & Mounting
Overall Diameter330 mm
Width Across Flats320.5 mm
Flange Height10 mm
Depth (Excl. Flange)118 mm
Magnet Diameter200 mm
Chassis Shoulder Diameter282 mm
Outer Bolt Circle6 * M6 on 318mm PCD
Inner Bolt Circle8 * M6 on 293mm PCD
Shipping Information
Nett Weight9.7 Kg / 21.38 lb.
Shipping Weight10.65 Kg / 23.48 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 (60 to 600 Hz) Program 800 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 400 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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