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PDN.12SB40
Sub Bass Driver
- Discontinued – Special Order / OEM Only
- Contact info@precision-devices.com for order information
- Heavy-duty cast aluminium chassis for increased rigidity
- Smooth extended low-frequency response
- Suitable for bass reflex and bandpass applications
- Easy integration with 2″ compression drivers
Diameter
12" / 300 mm
Coil Diameter
4.0" / 101.6 mm
Power Rating
600 w (A.E.S.)
Frequency Range
40 Hz - 2 kHz
Sensitivity
95 dB
Xmax
9.2 mm
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General Specifications
| Type | Sub Bass Driver |
| Available Impedance | 4 Ω/ 8 Ω/ 16 Ω |
| Nominal Diameter | 12" / 300 mm |
| Voice Coil Diameter | 4.0" / 101.6 mm |
| Peak Power (6 dB Crest Factor) * | 2400 w (A.E.S.) |
| Power Rating 1 2 * | 600 w (A.E.S.) |
| Sensitivity (1W/ 1m) * | 95 dB |
| Frequency Range | 40 Hz - 2 kHz |
| Resonance | 49.91 Hz |
| Voice Coil Winding Depth | 22 mm / 0.87" |
| Recommended Enclosure Volume | 25 - 100 Litres |
| Flux Density | 1.13 Tesla |
| Magnet Material | Neodymium |
| Magnet Gap Depth | 8 mm / 0.31" |
| Former Material | Glass Fibre |
| Dust Dome Material | Paper |
| Voice Coil Material | Copper |
| Cone Material | Paper |
| Suspension Material | Dual Fabric |
| Surround Material | Fabric |
Thiele Small Parameters
| Fs | 49.91 Hz |
| Re | 5.36 Ω |
| Qms | 8.82 |
| Qes | 0.33 |
| Qts | 0.32 |
| Le (@ 1 kHz) | 0.9 mh |
| Vas | 45.81 litres |
| Mms | 87.95 g |
| Sd | 530.93 cm2 |
| Cms | 115.67 µm/N |
| BL | 21 T/m |
| Xmax | 9.2 mm |
| Vd | 1.1 litres |
| Ref. Efficiency | 1.13% |
| EBP | 151.24 Hz |
Dimensions & Mounting
| Overall Diameter | 330 mm |
| Width Across Flats | 320.5 mm |
| Flange Height | 10 mm |
| Depth (Excl. Flange) | 131 mm |
| Magnet Diameter | 283 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 | 6.75 Kg / 14.88 lb. |
| Shipping Weight | 7.5 Kg / 16.53 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 (50 to 500 Hz) Program 1200 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 600 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 (50 to 500 Hz) Program 1200 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 600 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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