Hitachi HT-550 Service

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SPECIFICATIONS
Speed change system Electronic change-over system
SIN essere Se 74 dB (DIN-B)
Wow & Flutter 0.025% WRMS
Speed deviation. ——- 0.003%
Speed drift (for time) 0.003% /hour
(for temperature) 0.003% (5—35°C)
Overall length 324 mm
Effective lenge 230 mm
Overhang" 7 15mm
' Tracking error 2.
Frequency response =: 20—-20,000 Hz
Output voltage 3.5 mV at 1 kHz 50 mm/sec.
Channel difference 4 dB at 1 kHz
Channel separation | 23 dB at 1 kHz
Tracking force 1.25—2 g (recomended 1.5 g)
220 V 50 Hz for Europe standard
240 V 50 Hz for U.K. & Australia standard
120/220 V 50/60 Hz for Asia & Latin America countries
Power consumption = _ — _ — « d S watts
'Dimensions | ~ 480 x 381 x 139 mm (18-7/8 x 15 x 5-1/2")
Weight 10 kg (22 Ibs.)
FEATURES
Uni-torque motor, . ... |
Quartz control
(quartz lock PLL servo)
3. Large-sized, nea y wet
platter
4. High-sensitivity,
precision-engineered tone- |
arm
Howl-immune ;.. i. 3555!
construction
Handy automatic ond
mechanism
Easy-to-see single pattern ee
-strobo | uo ean every beer?
'DIRECT DRIVE TURNTABLE
May 1978