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TANNOY HPD385A

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Technic details

Specifications

Type:
Full Range Dual Concentric
Model:
HPD385A
Type:
Coaxial cone type
Rated Power:
85W (Continuous Program)
Weight:
14kg
[Low Frequency Direct Radiator
Diameter - 15” (385mm)
Cone Material - Felted Paper, Girdacoustic Struts
Surround Material - "Tannoplas" Foam Voice Coil Diameter (Copper wire) - 2" (50mm)
Voice Coil Resistance (Re) - 5.7Ω
Free Air Resonant Frequency (Fs) - 22Hz
Moving Mass (Mms) - 90g
Electrical Q (Qes) - 0.2
Mechanical and Acoustical Q (Qms) - 2.4
Total Q (Qts) - 0.18
Force Factor (Bl) - 18.72
Total Suspension Compliance (Cms) - 0.58mm/N
Equivalent Volume Compliance (Vas) - 483l
Mechanical Resistance (Rms) - 5.1Ωm
Effective Radiating Area (Sd) - 770cm²
[High Frequency Compression Driver]
Diameter - 2" (50mm)
Impedance - 16Ω
Diaphragm Material- Duralumin
Voice Coil Diameter - 2" (50mm, Aluminum wire)
Voice Coil Resistance (Re) - 10.5Ω
Horn Cut-off frequency - 500Hz
Crossover Frequency:
1kHz
Crossover Slope:
12dB / oct.
Sensitivity:
94.3dB / 2.83V / m
91dB / W / m (New JIS)
Year:
1976

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