Sansui AU 777 Owners Manual
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Page 1
OPERATING INSTRUCTIONS
SOLID-STATE STEREO CONTROL AMPLIFIER.
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SANSUI ELECTRIC COMPANY LIMITED
Page 2
SANSUI
SOLID-STATE
STEREO
CONTROL AMPLIFIER
A U. 777
Thank you for selecting the Sansui AU-777 Solid State Stereo-
phonic Amplifier, an excellent choice that Will become more ap-
parent after years of rich stereo listening.
Sansui is known throughout the world for the unsurpassed quality
of its audio equipment line, be it a pre-main amplifier, 21 multiplex
stereo receiver, a speaker system, a turntable or a stereo head-
phone set, and takes the greatest efforts to merit and maintain
this reputation.
The AU-777 is no exception. Not a single detail has been
overlooked in bringing this unit to you in perfect operating condi-
tion.
This manual has been prepared to aid you in keeping the AU-
777 working perfectly. Please read the contents of this manual
carefully before installing or operating the amplifier.
You will then be able to enjoy the worlds highest standards of
sound reproduction to the fullest.
CONTENTS
FEATURES .............................................. 3, 4
SPECIFICATIONS/CHARACTERISTICS .......... 5, 6
SWITCHES AND CONTROLS: ....................... 7, 8, 9, 10
OPERATIONS
LOUDSPEAKERS/RECORD PLAYERS ........ 11, 12
TAPE RECORDERS, DECKS/TUNERS ........ 13, 14
OTHER EQUIPMENTS .......................... 15, 16
MAINTENANCE ........................................ 17, 18
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Muting Switch
The MUTING switch attenuates music by 20 db
over the Whole frequency range. It is used to
eliminate interstation tuning noise, to suppress
the back-ground noise heard when changing a
record, and to reduce the over-all sound level
temporarily while playing a record and others.
Balance Control
This control adjusts for equal sound from both
left and right channels to compensate for slight
imperfections in program material, variations in
speaker output, and the vagaries of room acous-
tics.
_1o__
Loudness Control
Whenever the volume is decreased to a low lis-
tening level, the music will seem to lose much of
its bass and some of its treble. This effect is due
to the sensitivity of human hearing. When the
LOUDNESS switch is on, it provides the correct
amount of bass and treble boost required to com-
pensate for this change.