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PD.2450
Sub Bass Driver
- Heavy-duty cast aluminium chassis for increased rigidity
- Power compression only 1.6dB at rated power
- A B/L in excess of 31 T/m.
- Double suspension
- Appropriate for applications as diverse as scoop bins, conventional reflex cabinets and horn loaded systems
- Increased excursion over an 1850/2
Diameter
24" / 610 mm
Coil Diameter
6" / 152 mm
Power Rating
1000 w (A.E.S.)
Frequency Range
30 Hz - 1 kHz
Sensitivity
98 dB
Xmax
10.5 mm
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General Specifications
| Type | Sub Bass Driver |
| Available Impedance | 4 Ω/ 8 Ω/ 16 Ω |
| Nominal Diameter | 24" / 610 mm |
| Voice Coil Diameter | 6" / 152 mm |
| Peak Power (6 dB Crest Factor) * | 4000 w (A.E.S.) |
| Power Rating 1 2 * | 1000 w (A.E.S.) |
| Sensitivity (1W/ 1m) * | 98 dB |
| Frequency Range | 30 Hz - 1 kHz |
| Resonance | 32.37 Hz |
| Voice Coil Winding Depth | 30 mm / 1.18" |
| Recommended Enclosure Volume | 130 - 400 Litres |
| Flux Density | 1.1 Tesla |
| Magnet Material | Ceramic |
| Magnet Gap Depth | 15 mm / 0.59" |
| 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 | 32.37 Hz |
| Re | 5.23 Ω |
| Qms | 13.03 |
| Qes | 0.34 |
| Qts | 0.33 |
| Le (@ 1 kHz) | 1.75 mh |
| Vas | 404.89 litres |
| Mms | 424.08 g |
| Sd | 2248.01 cm2 |
| Cms | 57 µm/N |
| BL | 36.48 T/m |
| Xmax | 10.5 mm |
| Vd | 2.36 litres |
| Ref. Efficiency | 4.04% |
| EBP | 95.20 Hz |
Dimensions & Mounting
| Overall Diameter | 632 mm |
| Width Across Flats | 610 mm |
| Flange Height | 17 mm |
| Depth (Excl. Flange) | 228 mm |
| Magnet Diameter | 316 mm |
| Chassis Shoulder Diameter | 573 mm |
| Outer Bolt Circle | 6 * M8 on 609 mm PCD |
| Inner Bolt Circle | N/A |
Shipping Information
| Nett Weight | 36 Kg / 79.37 lb. |
| Shipping Weight | 41 Kg / 90.39 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 2000 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 1000 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 2000 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 1000 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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