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PD.184C002
Sub Bass Driver
- Vented cast aluminium chassis for improved thermal control of voice coil
- Aluminium demodulation ring
- Flat wire 4” high temperature copper voice coil
- Dual spider configuration with silicone based damping control
- Triple roll surround straight cone geometry
- For sub bass applications in bass reflex enclosures
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Diameter
18” / 457.2 mm
Coil Diameter
4.0” / 101.6 mm
Power Rating
900 W (A.E.S.)
Frequency Range
30 Hz - 500 Hz
Sensitivity
99 dB
Xmax
9.70 mm
The PD.184C002 is ideally suited to applications where high power handling, long excursion and perfect linearity is required. Ideal for bass reflex enclosure systems. The robust mechanical design and construction makes this unit an ideal choice for fixed or touring applications.
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General Specifications
| Type | Sub Bass Driver |
| Nominal Diameter | 18” / 457.2 mm |
| Voice Coil Diameter | 4.0” / 101.6 mm |
| Power Rating 1 2 * | 900 W (A.E.S.) |
| Available Impedance | 4 Ohm / 8 Ohm / 16 Ohm |
| Sensitivity (1W/ 1m)* | 99 dB |
| Frequency Range | 30 Hz - 500 Hz |
| Peak Power (6 dB Crest Factor) | 3600 W (A.E.S.) |
| Resonance | 40 Hz |
| Voice Coil Winding Depth | 26.00 mm / 1.02” |
| Recommended Enclosure Volume | 90 - 200 Litres |
| Flux Density | 1.10 Tesla |
| Magnet Material | Ceramic |
| Magnet Gap Depth | 13.0 mm / 0.51” |
| Former Material | Glass Fibre |
| Dust Dome Material | Solid Paper |
| Voice Coil Material | Copper Flat Wire |
| Cone Material | Fibre loaded paper |
| Suspension Material | Poly Cotton |
| Surround Material | Poly cotton |
Thiele Small Parameters
| Fs | 40 Hz |
| Re | 5.2 Ω |
| Qms | 5.67 |
| Qes | 0.360 |
| Qts | 0.340 |
| Le (@ 1 kHz) | 1.110 mH |
| Le (@10 kHz) | 2.31 mH |
| Vas | 268 Litres |
| Mms | 112.00 g |
| Sd | 1152 cm2 |
| Cms | 141.00 μm/N |
| BL | 21.00 T/m |
| Xmax | 9.70 mm |
| Vd | 1.120 Litres |
| Ref. Efficiency | 3.55% |
| EBP | 111.11 Hz |
Dimensions & Mounting
| Overall Diameter | 474 mm |
| Width Across Flats | 459 mm |
| Flange Height | 14.5 mm |
| Depth (Excl. Flange) | 176 mm |
| Magnet Diameter | 220 mm |
| Chassis Shoulder Diameter | 415 mm |
| Outer Bolt Circle | x6 M8 on 456 mm PCD |
Shipping Information
| Nett Weight | 15.50 kg / 34.17 lb |
| Shipping Weight | 16.00 kg / 35.27 lb |
Notes
* 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 (A.E.S. standard).
1. A.E.S. Standard (30 to 350 Hz).
2. A.E.S. Recommended Practice.
3. Thiele - Small Parameters follow a 800 Watt preconditioning period verified by Klippel LSI measurement.
4. Half space response measured in a 975 Litre sealed enclosure.
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. A.E.S. Standard (30 to 350 Hz).
2. A.E.S. Recommended Practice.
3. Thiele - Small Parameters follow a 800 Watt preconditioning period verified by Klippel LSI measurement.
4. Half space response measured in a 975 Litre sealed enclosure.
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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