Duelund Driver 8" Precision Audio Driver 8" drive unit
Dual magnets, Titanium voice coil former, Coated kevlar membrane, Wooden phase plug (Black) and a Coated low loss foam surround. Suitable for midrange and low frequency applications.
Specifications:
Electrical data-
- Nominal impedance Zn 8 W
- Minimum impedance/freq. Zmin6,5 / 224 W/Hz
- Maximum impedance Zo 70,5 W
- DC resistance Re 5,8 W
- Voice coil inductance Le 0,46 mH
T-S parameters-
- Resonance Frequency fs 25,3 Hz
- Mechanical Q-factor Qms 3,31
- Electrical Q-factor Qes 0,24
- Total Q-factor Qts 0,22
- Force factor Bl 8,8 Tm
- Mechanical resistance Rms 1,0 kg/s
- Moving mass Mms 20,4 g
- Suspension compliance Cms 1,94 mm/N
- Effective piston area Sd 227 cm2
- Equivalent volume Vas 139,9 ltrs Remarks Power Handling
- Voltage sensitivity 1m/2.83Volt 90,6 dB (none)
- Average 300-1000Hz
Voice coil and motor-
- Voice coil diameter 42,0 mm
- Voice coil length 19,0 mm
- Voice coil layers 2
- Height of gap 10,0 mm
- Linear excursion ± 4,5 mm
- Linear excursion ± 4,5 mm
- Max. excursion ± 12,0 mm
- Height of magnet 48 mm
- Diameter of magnet 121 mm
Power handling-
- 100 h RMS noise test (IEC) 100 W
- Long term max system power (IEC)160 W
- IEC 268-5 noise signal is used for the power test.
Full Manufacturer's Warranty
