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PDN.12MH25
Mid Range Driver
- Discontinued – Special Order / OEM Only
- Contact info@precision-devices.com for order information
- Heavy-duty cast aluminium chassis for increased rigidity
- Neodymium magnet assembly
- A B/L in excess of 20 T/m
- Synthetic loaded paper cone optimised for minimum delayed resonances
- Suitable for direct radiating or horn loaded mid/high applications
Diameter
12" / 300 mm
Coil Diameter
2.5" / 63.5 mm
Power Rating
300 w (A.E.S.)
Frequency Range
60 Hz - 5 kHz
Sensitivity
100 dB
Xmax
2.6 mm
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General Specifications
| Type | Mid Range Driver |
| Nominal Diameter | 12" / 300 mm |
| Voice Coil Diameter | 2.5" / 63.5 mm |
| Power Rating 1 2 * | 300 w (A.E.S.) |
| Available Impedance | 4 Ω/ 8 Ω/ 16 Ω |
| Sensitivity (1W/ 1m)* | 100 dB |
| Frequency Range | 60 Hz - 5 kHz |
| Peak Power (6 dB Crest Factor) | 1200 w (A.E.S.) |
| Resonance | 58.12 Hz |
| Voice Coil Winding Depth | 11 mm / 0.43" |
| Recommended Enclosure Volume | 25 - 70 Litres |
| Flux Density | 1.67 Tesla |
| Magnet Material | Neodymium |
| Magnet Gap Depth | 8 mm / 0.31" |
| 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 | 58.12 Hz |
| Re | 6.05 Ω |
| Qms | 9.45 |
| Qes | 0.24 |
| Qts | 0.24 |
| Le (@ 1 kHz) | 0.41 mh |
| Vas | 64.49 litres |
| Mms | 46.03 g |
| Sd | 530.93 cm2 |
| Cms | 162.67 µm/N |
| BL | 20.47 T/m |
| Xmax | 2.6 mm |
| Vd | 0.138 litres |
| EBP | 242.16 Hz |
Dimensions & Mounting
| Overall Diameter | 330 mm |
| Width Across Flats | 320.5 mm |
| Flange Height | 10 mm |
| Depth (Excl. Flange) | 103 mm |
| Magnet Diameter | 140 mm |
| Chassis Shoulder Diameter | 282 mm |
| Outer Bolt Circle | 6 * M6 on 318mm PCD |
| Inner Bolt Circle | 8 * M6 on 293mm PCD |
Shipping Information
| Nett Weight | 4.5 Kg / 9.92 lb. |
| Shipping Weight | 5.25 Kg / 11.57 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 (60 to 100 Hz) Program 600 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 300 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 (60 to 100 Hz) Program 600 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 300 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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