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ONKYO Integra M-509

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Technic details

Specifications

Type:
W Super Servo Stereo Power Amplifier
[Amplifier part]
Effective output (20Hz to 20kHz):
280W + 280W (4Ω)
200W + 200W (8Ω)
Dynamic power (1kHz): 280W + 280W (8Ω)
Total harmonic distortion (THD, 20Hz to 20kHz, effective output): 0.003% or less
Cross modulation distortion rate (70Hz: 70kHz=4: 1, effective output): 0.003% or less
Power Band Width (IHF-3dB, THD 0.2%): 5Hz to 100kHz
Gain: 28.5dB

[Amplifier part, continued]
Frequency characteristics 1Hz to 100kHz, +0 -1.5dB
S / N ratio (IHF-A network, input shunt): 120dB
Input sensitivity/impedance: 1.5V/47kΩ
Speaker load impedance: 4Ω to 16Ω
Damping factor (8Ω, 1kHz): 200
Output terminals: Speaker System-1, System2, Headphone
Transient killer operating time Power On / Off: 5 sec. / 100ms
[Meter part]
Range switching:
x1 (0dB = 200W)
x0.1 (0dB = 20W)
Indicating range: -40dB to -4dB
Indication accuracy: 0 ±1dB, -10 ±2dB, -20 ±3dB
Response speed (-∞→0dB): 100μs
Return speed (0dB→-20dB): 1sec.
Semiconductors used:
Transistors x 82 pieces
FET's x 4 pieces
IC's x 7 pieces
Diodes x 86 pieces
AC output:
Power switch non-interlocking, 600W maximum
Power supply voltage:
AC 100V, 50 / 60Hz
Power consumption (Electrical Appliance and Material Control Law):
320W

External dimensions (W x H x D):
480 x 191 x 439mm
Weight:
31kg
Year:
Around 1983

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