Hitachi HT-354 Service

@HITAC
SERVICE
SPECIFICATIONS
Type
Platter
Motor
Speed
Speed change system
S/N ratio
Wow & Flutter
Speed deviation
Speed drift (for time)
(for temperature)
Pitch control range
33-1/3 rpm
45 rpm
Effective length
Overhang
Tracking error
Lead wire capacitance
Adjustable force range
(scale)
Acceptable cartridge
weight
FEATURES
Unitorque motor (200-pole magneticrotor)
I.
Easy-to-operate front panel controls
2.
Employment of the low center of gravity tonearm
3.
Structure resistant to howling
4.
Handy automatic mechanism
5.
DIRECT DRIVE
MANUAL
2-speed direct drive system
Aluminu'!l alloy diecast.
310 mm outer diameter
Brushless DC servo direct
drive motor
2 speeds. 33-113 and 45 rpm
Electronic Change-over system
75 dB
0 03% WRMS
0.003%
(only
O.003%/hour
HT-356i
0.003% (5 - 350C)
(only H T-354)
220 mm
15 mm
20
140 pF
O— 3 g/ i turn of the scale ring
(directly readable in 0.1 g
steps)
4—10 g
April 1979
English
Deutsch
Franqais
Design and specifications subject to change without
for further improvement.
When a HITACHI cartridge is attached.
Cartridge
Frequency response
Output voltage
Channel difference
Channel separation
Tracking force
Stylus tip
Power source
Power consumption
Dimensions
Weight
Other devices
6. Viscous damped arm lifter never damagesstylus tip
7. Easily removable dust cover
8. Quartz control (quartz lock PLL servo) (only HT-356)
9. Easy-to-see single-patternstrobo (only HT-356)
TURNTABLE
I-IT-354/356
No. 167
HT-356
notice
Dual magnet type (MT -30)
10 - 25,000 Hz
3 mV at 1 kHz 50 mm/sec.
dB at i kHz
20dB at kHz
I .5 — 2.5 g (recommended 2 g)
Diamond stylus (DS-ST 30)
120 V 60 Hz for U.S.A. &
Canada standard
220 V 50 Hz for Europe
standard
240 V 50 Hz for U.K. &
Australia standard
20/220 V 50/60 Hz for As,a
& Latin America countrtes
4 watts IHT-354i
3 watts (HT.356}
435 x 375 x 128 mm
(1 7-1/8" x 14-3/4" x 5032")
5.5 kg (12.1 lbs.)
Auto return. auto cut. anti-
skating. tracking force direct-
reading balance weight str obo-
scope and neon iamp, viscous
damped cueing.