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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
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General Specifications
Type | Bass Driver |
Available Impedance | 4 Ω/ 8 Ω/ 16 Ω |
Nominal Diameter | 12" / 300 mm |
Voice Coil Diameter | 3.0" / 76 mm |
Peak Power (6 dB Crest Factor) * | 1600 w (A.E.S.) |
Power Rating 1 2 * | 400 w (A.E.S.) |
Sensitivity (1W/ 1m) * | 98 dB |
Frequency Range | 45 Hz - 3.5 kHz |
Resonance | 59.23 Hz |
Voice Coil Winding Depth | 17 mm / 0.67" |
Recommended Enclosure Volume | 30 -120 Litres |
Flux Density | 1.32 Tesla |
Magnet Material | Ceramic |
Magnet Gap Depth | 11 mm / 0.43" |
Former Material | Glass Fibre |
Dust Dome Material | Paper |
Voice Coil Material | Copper |
Cone Material | Paper |
Suspension Material | Fabric |
Surround Material | Fabric |
Thiele Small Parameters
Fs | 59.23 Hz |
Re | 5.91 Ω |
Qms | 15.9 |
Qes | 0.24 |
Qts | 0.24 |
Le (@ 1 kHz) | 0.69 mh |
Vas | 44.03 litres |
Mms | 65.12 g |
Sd | 530.93 cm2 |
Cms | 110.89 µm/N |
BL | 24.29 T/m |
Xmax | 4.7 mm |
Vd | 0.259 litres |
Ref. Efficiency | 3.47% |
EBP | 246.79 Hz |
Dimensions & Mounting
Overall Diameter | 330 mm |
Width Across Flats | 320.5 mm |
Flange Height | 10 mm |
Depth (Excl. Flange) | 118 mm |
Magnet Diameter | 200 mm |
Chassis Shoulder Diameter | 282 mm |
Outer Bolt Circle | 6 * M6 on 318mm PCD |
Inner Bolt Circle | 8 * M6 on 293mm PCD |
Shipping Information
Nett Weight | 9.7 Kg / 21.38 lb. |
Shipping Weight | 10.65 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.
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.
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