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Duelund 8" Precision Audio Driver

Duelund 8" Precision Audio Driver

New in from Duelund is this superb 8" drive unit. Key features are Dual magnets, Titanium voice coil former, Coated kevlar membrane, Wooden phase plug (Black) and a Coated low loss foam surround.

6 Hole fixing pattern.

We have some of the very first stock.

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.

Price (1 off)
£375.00 +vat +p&p

 

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