Hitachi HA-410 Serviceanleitung

HITACHI
INTEGRATED Al
INTEGRIERTER VERSTARKER
AMPLIFICATEUR INTEGRE
MODELL
not HA-410
SERVICE MANUAL
SERVICE ANLEITUNG
SERVICE MANUAL
No. 91 1976
MODEL
HA-410
e Main amplifier Input sensitivity (Impedance). . .MIC: 2.5mV (4k ohms)
Circuitry ....... All stage direct connection inverted PHONO-1, 2: 2.5mV (50k ohms)
Darlington OCL circuit TUNER/AUX: 150mV (47k ohms)
Semi-conductor ...... 2 ICs, 21 transistors, 17 diodes TAPE-1: 150mV (47k ohms)
Output DIN: 500mV (50k ohms)
. Recordin
RMS power...30 watts per channel, min. RMS, oxitout Tete ...TAPE REC OUT (Pin Jack): 150mV
at 8 ohms, from 20Hz to 20kHz, TAPE REC OUT (DIN): 30mV
with no more than 0.5% total Tone control ............. BASS: +10dB (100Hz)
harmonic distortion. TREBLE: +10dB (10kHz)
37W/ch + 37W/ch (8 ohms, 1kHz, T.H.D. 0.5%) Loudness control ................ +8dB (100Hz)
47W/ch + 47W/ch (4 ohms, 1kHz, T.H.D. 0.5%) +4dB (10kHz)
Music power (IHF) fa As ase teven eee 50W/ch 4 50W/ch Equalizer SEP SHOAL ELE TORT EERE RIAA +0.5dB
(8 ohms, T.H.D. 0.5%) Signal to noise ratio ............. PHONO: 75dB
70W/ch + 70W/ch (4 ohms, T.H.D. 0.5%) HE & neeworn) AUXPTUNER: 9008
Power bandwidth ............... 10 — 80,000Hz Pepe, ae a tea ee ae a ie a ge
(TSW. Bolus iéad. fof channelsadriven) Power source &............. AC120V 60Hz 160W
Distortion ? Power consumption AC220V 50Hz 260W
at RMS power output .. . 0.5% (1kHz, 8 ohms load) ; ; —— ee 260W
at Y%rated output ..... 0.05% (1kHz, 8 ohms load) DUREUSONS ows ca xe 17 AW) porate 4 ples ? al
Damping factor .......... 40 (1kHz, 8 ohms load) Weight .. 0... cece cece cece. - 9.2kg (20.3 Ibs.)
Accessory circuits ........ Tape monitor switch-1, 2,
e Pre-amplifier: DIN record/playback connector, Headphone jack,
Circuitry .......... Equalizer amplifier: Differential Microphone jack
l-stage, constant current drive Specifications and designs may be changed without notice