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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
Diameter
15" / 380 mm
Coil Diameter
4.5" / 115 mm
Power Rating
650 w (A.E.S.)
Frequency Range
50 Hz - 1.5 kHz
Sensitivity
96 dB
Xmax
8.1 mm
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General Specifications
| Type | Sub Bass Driver |
| Available Impedance | 4 Ω/ 8 Ω/ 16 Ω |
| Nominal Diameter | 15" / 380 mm |
| Voice Coil Diameter | 4.5" / 115 mm |
| Peak Power (6 dB Crest Factor) * | 2600 w (A.E.S.) |
| Power Rating 1 2 * | 650 w (A.E.S.) |
| Sensitivity (1W/ 1m) * | 96 dB |
| Frequency Range | 50 Hz - 1.5 kHz |
| Resonance | 50.25 Hz |
| Voice Coil Winding Depth | 21 mm / 0.83" |
| Recommended Enclosure Volume | 90 - 280 Litres |
| Flux Density | 1.5 Tesla |
| Magnet Material | Ceramic |
| Magnet Gap Depth | 9 mm / 0.35" |
| 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 | 50.25 Hz |
| Re | 5.69 Ω |
| Qms | 7.45 |
| Qes | 0.5 |
| Qts | 0.47 |
| Le (@ 1 kHz) | 1 mh |
| Vas | 93.4 litres |
| Mms | 124.55 g |
| Sd | 907.92 cm2 |
| Cms | 80.83 µm/N |
| BL | 20.98 T/m |
| Xmax | 8.1 mm |
| Vd | 0.648 litres |
| Ref. Efficiency | 3.63% |
| EBP | 100.5 Hz |
Dimensions & Mounting
| Overall Diameter | 410 mm |
| Width Across Flats | 395 mm |
| Flange Height | 10 mm |
| Depth (Excl. Flange) | 143 mm |
| Magnet Diameter | 220 mm |
| Chassis Shoulder Diameter | 357 mm |
| Outer Bolt Circle | 6 * M6 on 395mm PCD |
| Inner Bolt Circle | 8 * M6 on 370mm PCD |
Shipping Information
| Nett Weight | 13.25 Kg / 29.21 lb. |
| Shipping Weight | 14.25 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.
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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