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Operation Details - Akai AM-M939 Operator's Manual

Digital integrated amplifier

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Operation details
For the best sound reproduction of
all sources
DIRECT
OPERATION
os
Set the DIRECT OPERA-
SOURDE © i.
DISTAL
TION switch to SOURCE
DAT cassette playback.
Note
;
When
the DIRECT OPERATION
switch is set to
SOURCE
or DIGITAL, the BALANCE
control and
tone controls are ineffective.
If you want to reduce the volume
instantly during playback |
Press the MUTING
but-
ton to ON. The indicator
will light.
To resume the normal
listening volume level
Press the MUTING but-
ton once again to OFF.
The indicator will go off.
To adjust tone during playback
1 Make sure to set the DIRECT
OPERATION
switch to OFF.
2 Use the SUPER BASS, BASS and TREBLE tone
controls.
To increase the super bass note |
....Use the SUPER BASS control.
To increase or decrease the bass note
....Use the BASS control.
To increase or decrease the treble note
....Use the TREBLE control.
or DIGITAL during CD or |
When listening to music at low
volume levels
Depress the LOUDNESS button to ON ( = ).
Ee
|
Loudness compensation
On the Balance control
DIRECT
OPERATION
BAL
ANCE
OFF
SOURCE
'
(XGITAL
'
1 Make sure to set the DIRECT OPERATION
switch to OFF.
2 Use the BALANCE
control when you feel that
there is a deficiency in the left and right balance
due to the speaker placement.
It is best to use a monaural source to test the bal-
ance. After setting the volume, tune in an AM sta-
tion and move the BALANCE control to the left or
right to boost the volume in the left or right channel
respectively.
If the woofer cone vibrates during
record playback
Set
the
SUBSONIC
switch to ON (= ).
For other source play-
back
except
record
playback:
Set
the
SUBSONIC
switch to OFF ( =).
'
SUBSONIC
On the subsonic filter
.
The subsonic filter will eliminate the ultra low fre-
quency noise (below 15 Hz to 20 Hz) during record
playback. Whatever this amplifier interprets as a .
playback signal will be reproduced. Sometimes
this will include unwanted noise such as subsonic
noise during record playback. The subsonic filter
will eliminate this.
14

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