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A45

  • Model: Lowther A45
  • Shipping Weight: 4kg

€558.00

Overall Diameter 17.4 cm
Overall Depth 10.5 cm
Depth from rear of Mounting Frame 9.6 cm
PCD Mounting Centres 15.6cm
Baffle Hole cut-out 14 cm
Magnet Ring Diameter 9.1 cm
Voice coil diameter 3.9 cm
Voice coil impedance (nominal) 8 ohm
Air gap width 1 mm
Air gap height 5 mm
Magnet type Alcomax 3
Flux density (I Tesla=10,000 Gauss) 1.75 Tesla
Diaphragm Twin Paper
Frequency response 80 Hz-20kHz
Maximum voice coil travel ± 1 mm
Shipping weight 4.0 kg

DC Resistance of Voice Coil Re 7.4 ohms
Free Air Resonance Fo 82 Hz
Emission Piston Area Sd 0.01055M˛
Equivalent Volume Suspension Vas 4.154 Ltrs
Suspension Compliance Cms 262.85 u M/N
Mass of Cone Mmd 7.0 g
Mass of Moving Parts Mms 7.623 g
Force Factor Bl 7.818 T-M
Mechanical Q Factor Qms 5.988
Electrical Q Factor Qes 0.587
Total Q Factor Qts 0.534
Voice Coil Inductance @ 1 kHz Le 137.457 uH
Reference Efficiency No 0.973%
Sound Pressure Level SPL 91.90 Db

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