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PD.103NR1
- Radial neodymium motor structure
- Heavy-Duty cast aluminium chassis
- Forced air cooling vented voice coil gap
- Aluminium demodulation ring
- 3″ High temperature CCAW voice coil
- Rear aluminium heat sink
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Diameter
Coil Diameter
Power Rating
Frequency Range
Sensitivity
Xmax
The PD.103NR1 is intended for use as a high power mid range driver in multiway systems. The optimised radial neodymium motor system allows more efficient management of the magnetic flux. Forced air venting and rear aluminium base plate keeps the motor temperature under control and reduces power compression to a minimum. The unit features a 3-inch, high temperature, CCAW voice coil capable of handling 700W (AES). The PD.103NR1 exhibits an average sensitivity of 100dB across its working band and will produce an SPL of 126 dB in a 15Ltr sealed enclosure.
£187.00 MRRP Ex. VAT
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Frequency Response Graph
Impedance GRAPH
General Specifications
| Type | Mid Range Driver |
| Available Impedance | 4 Ω/ 8 Ω/ 16 Ω |
| Nominal Diameter | 10" / 254 mm |
| Voice Coil Diameter | 3.0" / 76.2 mm |
| Peak Power (6 dB Crest Factor) * | 2800 W (A.E.S.) |
| Power Rating 1 2 * | 700 W (A.E.S.) |
| Sensitivity (1W/ 1m) * | 100 dB |
| Frequency Range | 100 Hz - 5 kHz |
| Resonance | 65 Hz |
| Voice Coil Winding Depth | 0.59" / 15.00 mm |
| Recommended Enclosure Volume | 15 - 25 Litres |
| Flux Density | 1.25 Tesla |
| Magnet Material | Neodymium |
| Magnet Gap Depth | 10.00 mm / 0.39" |
| Former Material | Glass Fibre |
| Dust Dome Material | Solid Paper |
| Voice Coil Material | Copper Clad Aluminium |
| Cone Material | Paper |
| Suspension Material | Fabric |
| Surround Material | M Roll Poly Cotton |
Thiele Small Parameters
| Fs | 65 Hz |
| Re | 5.5 Ω |
| Qms | 5.95 |
| Qes | 0.22 |
| Qts | 0.212 |
| Le (@ 1 kHz) | 1.200 mH |
| Vas | 36 Litres |
| Mms | 31.00 g |
| Sd | 362 cm2 |
| Cms | 193.00 µm/N |
| BL | 18.00 T/m |
| Xmax | 7.5 mm |
| Vd | 0.180 Litres |
| Ref. Efficiency | 4.33% |
| EBP | 295.45 Hz |
Dimensions & Mounting
| Overall Diameter | 278.04 mm |
| Width Across Flats | 272.24 / 269 mm |
| Flange Height | 7.00 mm |
| Depth (Excl. Flange) | 131.70 mm |
| Magnet Diameter | 120 mm |
| Chassis Shoulder Diameter | 228.00 mm |
| Outer Bolt Circle | x4 M6 on 271 mm PCD |
| Inner Bolt Circle | N/A |
Shipping Information
| Nett Weight | 5.25 Kg / 11.57 lb |
| Shipping Weight | 5.65 Kg / 12.46 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.
** Distortion is measured at 10% of the rated power (AES Standard).
1. AES Standard (70 to 700 Hz) Program 450 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 400 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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