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PD.2155-1N
- New Ergonomic, Vented Cast Aluminium Chassis Offers Improved Thermal Control
- 5.5” Inside/ Outside Windings, Copper, Vented Voice Coil
- Vented Voice Coil And Coil Gap Reduces Power Compression Effects
- Double Silicone Spider With Optimised Compliance
- Suitable For Hybrid Horn-Loaded Designs
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Diameter
Coil Diameter
Power Rating
Frequency Range
Sensitivity
Xmax
The PD.2155-1N is an extremely low distortion and highly dynamic driver. Suitable for hybrid horn-loaded cabinet designs, the unit produces 98 dB sensitivity over it’s working band and is capable of handling 3000 W continuous program power.
Featuring a neodymium magnetic assembly generating very high force factor of 30 T/m and linear excursion. The design also incorporates an optimised suspension system and ribbed paper cone that provides exceptional mechanical stability and control. Providing the benefit of extremely low distortion and 60mm peak-to-peak excursion before damage.
£518.84 MRRP Ex. VAT
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Frequency Response Graph
Impedance GRAPH
General Specifications
| Type | Sub Bass Driver |
| Available Impedance | 8 Ohm |
| Nominal Diameter | 21” / 530 mm |
| Voice Coil Diameter | 5.5” / 138.7 mm |
| Peak Power (6 dB Crest Factor) * | 6000 W (A.E.S.) |
| Power Rating 1 2 * | 1500 W (A.E.S.) |
| Sensitivity (1W/ 1m) * | 98 dB |
| Frequency Range | 30 Hz - 300 Hz |
| Resonance | 33 Hz |
| Voice Coil Winding Depth | 26.00 mm / 1.02” |
| Recommended Enclosure Volume | 150 - 200 Litres |
| Flux Density | 1.45 Tesla |
| Magnet Material | Neodymium |
| Magnet Gap Depth | 13.0 mm / 0.51” |
| Former Material | Glass Fibre |
| Dust Dome Material | Solid Paper |
| Voice Coil Material | Copper |
| Cone Material | Paper |
| Suspension Material | Fabric |
| Surround Material | Fabric |
Thiele Small Parameters
| Fs | 33 Hz |
| Re | 5.1 Ω |
| Qms | 9.8 |
| Qes | 0.374 |
| Qts | 0.36 |
| Le (@ 1 kHz) | 2.4 mH |
| Le (@10 kHz) | - |
| Vas | 241 Litres |
| Mms | 320 g |
| Sd | 1520 cm2 |
| Cms | 73.4 μm/N |
| BL | 30 T/m |
| Xmax | 11.00 mm |
| Vd | 1.67 Litres |
| Ref. Efficiency | 2.2% |
| EBP | 88.24 Hz |
Dimensions & Mounting
| Overall Diameter | 550 mm |
| Width Across Flats | 532 mm |
| Flange Height | 14 mm |
| Depth (Excl. Flange) | 211 mm |
| Magnet Diameter | 184 mm |
| Chassis Shoulder Diameter | 492 mm |
| Outer Bolt Circle | x6 M8 on 528 mm PCD |
Shipping Information
| Nett Weight | 12.50 kg / 27.56 lb |
| Shipping Weight | 14.5 kg / 29.56 lb |
Notes
1. AES Standard (20 to 200 Hz). Program 1500 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 1000 Watt preconditioning period verified by Klippel LSI measurement.
4. 2.83V. 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.
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