Hitachi HMA-8300 Service Manual

~ SERVICE MANUAL
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SPECIFICATIONS
Circuitry
Peak RMS power (Music power)
Continuous RMS power output
Harmonic distortion
(at rated output)
(at 100 W output)
(at 1 W output)
Power bandwidth (HF)
Frequency characteristics
Input sensitivity
Damping factor
Channel separation
Signal-to-noise ratio
(IHF, A network)
Speaker impedance
Semi-conductors
Power supply
Power consumption
Dimensions
Weight
A Newly Developed High Efficiency High Power Audio Amplifier
(Named series E Amplifier)
400 W/ch + 400 W/ch (8 ohms}
200 watts per channel min. RMS,
at 8 ohms from 20 Hz to 20 kHz,
with no more than 0.1% total harmonic distortion
200 W/ch + 200 W/ch (4 ohms, 1 kHz, T.H.D. 0.1%)
Less than 0.1%
Less than 0.05%
Less than 0.05%
5 Hz — 30 kHz (8 ohms)
5 Hz — 80 kHz (8 dB)
1 V (50 k ohms)
50 (20 Hz — 20 kHz, 8 ohms)
100 (1 kHz, 8 ohms)
80 dB (1 kHz, 8 ohms)
110 dB
4 — 16 ohms (except for Switzerland, U.K. & Sweden)
8 — 16 ohms (for Switzerland, U.K. & Sweden)'
2 ICs, 40 transistors and 51 diodes
AC 120 V,~220 — 240 V, 50/60 Hz
850 W or 1020 VA (AC 120 V)
1470 W (~ 220 — 240 V, 4 ohms)
1100 W (~ 220 — 240 V, 8 ohms)
435 (W).x 182 (H) x 404 (D) mm
17-1/8 (W) x 7-3/16 (H) x 16 (D) in.
24 kg
53 Ibs.
Specifications and designs may be changed without notice for improvement.
STEREO POWER AMPLIFIER
June 1977
No. 117
(39