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PD.184
Bass Driver
- Discontinued – Special Order / OEM Only
- Contact info@precision-devices.com for order information
- Heavy-duty cast aluminium chassis for increased rigidity
- Versatile, easy to use 18″ transducer
Diameter
18" / 457.2 mm
Coil Diameter
4.0" / 101.6 mm
Power Rating
600 w (A.E.S.)
Frequency Range
40 Hz - 2.5 kHz
Sensitivity
98 dB
Xmax
8 mm
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General Specifications
| Type | Bass Driver |
| Available Impedance | 4 Ω/ 8 Ω/ 16 Ω |
| Nominal Diameter | 18" / 457.2 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) * | 98 dB |
| Frequency Range | 40 Hz - 2.5 kHz |
| Resonance | 33.38 Hz |
| Voice Coil Winding Depth | 22 mm / 0.87" |
| Recommended Enclosure Volume | 100 - 300 Litres |
| Flux Density | 0.97 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 | 33.38 Hz |
| Re | 5.36 Ω |
| Qms | 16.47 |
| Qes | 0.27 |
| Qts | 0.27 |
| Le (@ 1 kHz) | 1.34 mh |
| Vas | 304 litres |
| Mms | 142.88 g |
| Sd | 1164.16 cm2 |
| Cms | 159.67 µm/N |
| BL | 24.21 T/m |
| Xmax | 8 mm |
| Vd | 0.9 litres |
| Ref. Efficiency | 3.45% |
| EBP | 123.62 Hz |
Dimensions & Mounting
| Overall Diameter | 474 mm |
| Width Across Flats | 458 mm |
| Flange Height | 13 mm |
| Depth (Excl. Flange) | 182 mm |
| Magnet Diameter | 220 mm |
| Chassis Shoulder Diameter | 415 mm |
| Outer Bolt Circle | 6 * M8 on 456mm PCD |
| Inner Bolt Circle | N/A |
Shipping Information
| Nett Weight | 14 Kg / 30.86 lb. |
| Shipping Weight | 15.25 Kg / 33.62 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 (40 to 400 Hz) Program 1400 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. AES Standard (40 to 400 Hz) Program 1400 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.
Frequency Response & Impedance
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