TABLE
OF
CONTENTS
Page
1. STARTUP
PROCEDURE
3
1.1 General
3
1.1.1 Connecting
the
audio sources
3
1.1
.2
ConnectinÖ
tne
speakers
3
1.2 Special
inslructions
3
1
.2.1 Remote
control of
a REVOX tape
recorder through
the
REVOX 8251 amplifier
(option)
3
1.2.2
Acrylic
plastic
cover
3
1.3 Connecting
the
amplifier to the
AC supply
3
1.4
lndex
of
o[erator
controls
4
1.4.1
Front-panel
controls
4
1.4.2 Connector
panel
.
5
2.
BASIC
OPERATING
PROCEDURES
6
2.1 Switching
on
the
8251
amplifier
6
2.1.1 Selecting
the
audio sources
(MONITOR
SELECTORS
t31l
through
t36l)
6
2.1.2
Volume control
6
2.1.3 Channel balance
6
2.1.4
Mono/stereo change-over
7
2.1.5
-20
dB button
t30l
7
2.1.6 Selecting
the audio source
for the tape outputs
(RECORD
OUTPUT buttons
[3]
through
t8l)
.......
7
2.2
Tone control and
filters
7
2.3
Display
l27l
B
2.3.1
Static
volume
indication
B
2.3.2
Peak level indication
B
2.3.3
Output
power
indication
I
2.4
Operating
with the infrared system
remote control
8201
.
9
2.4.1 Remote control
of amplifier
I
2.4.2 Remote control
of tape recorder
(connected
to socket
t4Ql)
9
3.
ADJUSTING THE SENSITIVITY
OF
THE INPUTS
10
3.1 General
1
0
3.2 Calibrating
and adjusting the tape
inputs
10
3.2.1
Procedure
10
3.3
Adjusting the sensitivity of the
remaining
inputs 10
3.3.1
Adjusting the sensitivity of the TUNER
input
t50l
. . . . .
11
3.3.2 Adjusting the sensitivity of
the PHONO
inputs
t56l/i571
11
3.3.3
Adjusting the sensitivity of the
DISC
inputs
[51]
11
3.3.4
Adjusting the sensitivity of the
AUX
inputs
t55l
11
3.4 Checking by
ear
11
4. ADJUSTING THE SPEAKER
AND HEADPHONES OUTPUT
VOLUME 13
4.1 Adjusting the speaker
output volume
13
4.1.1
Adjusting the
power-on
volume
13
4.1.2 Adjusting speaker
output B .
13
4.2 Headphones
mode
13
5.
TECHNICAL
APPENDIX
14
5.1
Troubleshooting
.....
14
5.2
Accessories ...
.......
14
5.3
Technical Data
14
5.4
Dimensions
15
2
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