Sony ST-211 Betriebsanleitung - Seite 20
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MAINTENANCE
,
!
CLEANING THE HEADS AND TAPE PATH
Clean after every 1
O
hours of operation, and before recording
for optimum record/playback quality.
I
Deck
A
I
Playback
head
Record/playback head
I
Deck
BI
Erase
head
Cotton swab
- - - -
Pinch
rollers--J
1
Press
■ ~
to
open
the
cassette
holder.
2Slightly
moisten the tip
of
a
cotton swab with
cleaning
fluid or
alcohol,
and
wipe heads,
pinch rollers and
capstans.
Do not
insert
a cassette until the cleaned areas are
completely
dry.
DEMAGNETIZING THE HEADS
After 20
to
30
hours
of
use,
or when you notice
hiss and/or
loss of high
frequencies,
it is necessary to
remove
residual
magnetism built up on the heads.
1
Turn off POWER.
2
Demagnetize
heads with
any commercially available
demagnetizer.
Consult the user's
manual
of the
demagnetizer for detailed
instructions.
CLEANING THE CABINET
To
clean the cabinet, use a soft cloth slightly moistened
with
mild detergent solution.
j
Important
I
Do not use any
type of abrasive pad, scouring.powder or
solvent such as alcohol or benzine.
20
SPECIFICATIONS
,·
AUDIO
POWER SPECIFICATIONS
POWER
OUTPUT
AND TOTAL HARMONIC
DISTORTION:
With 6 ohm
loads
both channels driven,
from 40
-
20,000 Hz;
rated
30
watts
per
channel
minimum RMS power,
with
no
more than
1
%
total
harmonic distortion
from
250
milliwatts
to rated
output.
OTHER
SPECIFICATIONS
I
ST-211
Tuner
I
System
Tuning
range
FM stereo, FM/AM superheterodyne tuner
Quartz-locked PLL
digital
synthesizer system
FM
tuner
section
AM
tuner
section
87.5
-
108 MHz
530
-
1,610
kHz
(with the AM
tuning
interval
set
at 10 kHz)
531
-
1,602
kHz
(with the AM
tuning interval
set
at 9 kHz)
Antenna terminals
75 ohms, unbalanced External antenna
terminal
Intermediate
10.7 MHz
450kHz
frequency
Usable sensitivity
2.3µV(S/N
=
Built-in ferrite bar
Signal-to-noise
ratio
Harmonic
distortion
Separation
selectivity
Dimensions
Weight
30
dB/75
ohms)
antenna: 250
µV/m
(at 1,000
kHz)
External
antenna:
100 µV (at
1,000
kHz)
78dB(mono)
52d8
70
dB
(stereo)
(at 50 mV/m)
0.2%
(mono), 0.5%
0.3% (at 50
mV/m,
(stereo) at 1 kHz
400 Hz)
40
dB
at 1
kHz
-
55
dB
at 400 kHz
-
Approx. 215
x
55
x
240 mm (w/h/d)
(8
1
/,
x
2
1
1◄
x
9 ½
inches)
incl. projecting parts
and controls
Approx. 0.9 kg (2 lb) net
I
TC-211 W Cassette deck
I
Recording system
4-track
2-channel
stereo
Frequency response
DOLBY
NROFF (DIN)
with TYPE
II
cassette (Sony
UCX-S)
60
-
14,000
Hz(±
3
dB)
with TYPE
I
cassette (Sony HF-S)
60
-
13,000 Hz(± 3 dB)
Wow
&
flutter
0.1
%
WRMS
±
0.3% (DIN)
Dimensions
Approx. 225 x 120
x
230 mm (w/h/d)
(8
7
/s
x 4¼ x
9
1
/e inches)
Weight
Approx.
2.1
kg (4
lb
11 oz) net