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PD.154C001
Sub Bass Driver
- 4″ High temperature CCAW voice coil
- Composite alloy and steel pole piece, producing a uniform and stable magnetic field
- High BL driver in excess of 25 T/m
 |
Diameter
15" / 381 mm
Coil Diameter
4.0" / 101.6 mm
Power Rating
900 W (A.E.S.)
Frequency Range
45 Hz - 1 kHz
Sensitivity
98.5 dB
Xmax
8.2 mm
Designed to faithfully reproduce powerful and accurate bass frequencies with minimal distortion and power compression. Suitable for sound reinforcement in a variety of enclosure designs.
£204.60 MRRP Ex. VAT
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Frequency Response Graph
Impedance GRAPH
General Specifications
| Type | Sub Bass Driver |
| Nominal Diameter | 15" / 381 mm |
| Voice Coil Diameter | 4.0" / 101.6 mm |
| Power Rating 1 2 * | 900 W (A.E.S.) |
| Available Impedance | 4 Ω/ 8 Ω/ 16 Ω |
| Sensitivity (1W/ 1m)* | 98.5 dB |
| Frequency Range | 45 Hz - 1 kHz |
| Peak Power (6 dB Crest Factor) | 3600 W (A.E.S.) |
| Resonance | 45 Hz |
| Voice Coil Winding Depth | 0.87" / 22.00 mm |
| Recommended Enclosure Volume | 45 - 125 litres |
| Flux Density | 1.39 Tesla |
| Magnet Material | Ceramic |
| Magnet Gap Depth | 10.00 mm / 0.39" |
| Former Material | Glass Fibre |
| Dust Dome Material | Paper |
| Voice Coil Material | Copper Clad Aluminium |
| Cone Material | Paper |
| Suspension Material | Fabric |
| Surround Material | Fabric |
Thiele Small Parameters
| Fs | 45 Hz |
| Re | 6.1 Ω |
| Qms | 4.29 |
| Qes | 0.335 |
| Qts | 0.311 |
| Le (@ 1 kHz) | 1.800 mH |
| Vas | 128 Litres |
| Mms | 119.00 g |
| Sd | 897.5 cm2 |
| Cms | 111.90 µm/N |
| BL | 25.50 T/m |
| Xmax | 8.2 mm |
| Vd | 0.730 Litres |
| Ref. Efficiency | 3.36% |
| EBP | 134.33 Hz |
Dimensions & Mounting
| Overall Diameter | 408.30 mm |
| Width Across Flats | 395 mm |
| Flange Height | 11.00 mm |
| Depth (Excl. Flange) | 154.10 mm |
| Magnet Diameter | 220 mm |
| Chassis Shoulder Diameter | 356 mm |
| Outer Bolt Circle | x6 M6 on 395 mm PCD |
| Inner Bolt Circle | N/A |
Shipping Information
| Nett Weight | 12.80 Kg / 28.22 lb |
| Shipping Weight | 13.50 Kg / 29.76 lb |
Notes
* 2.83V. Half space response measured in a 950 litre sealed enclosure.
*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.
** Distortion is measured at 10% of the rated power (AES Standard).
1. AES Standard (45 to 450 Hz) Program 700 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 700 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 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.
** Distortion is measured at 10% of the rated power (AES Standard).
1. AES Standard (45 to 450 Hz) Program 700 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 700 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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