McIntosh MA2275 Owner's Manual page 16

Tube integrated amplifiers
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Volume Control
Adjust the VOLUME Control or
press the Up
/Down
buttons on the Remote Control
for the desired listening level.
Refer to figure 13.
Record Monitor
Press the REC MONITOR
Push-button to hear the TAPE
Playback Signal during the re-
cording process. Refer to figure
14.
Tone Bypass
Press the TONE BYPASS
Push-button to totally Bypass the
Tone Control Circuitry, providing
a flat frequency response.
Note: The MA2275 will
automatically remember
for each input whether the
Tone Bypass is active.
Mono
Press the MONO Mode Push-
button to combine Left and Right
Stereo Signals to Mono, for the
Loudspeaker Outputs, PREAMP
OUTPUTs 1&2 and the HEAD-
PHONES Jack. The MODE
Push-button on the Remote Con-
trol also can be used to switch
between the Stereo and Mono Modes of Operation. Refer
to figure 13.
Note: The TAPE Outputs are not effected by the Mono Mode
of Operation.
Mute
Press the MUTE Push-button to Mute the Audio at the
Loudspeaker Outputs and PREAMP OUTPUTS 1 & 2.
An LED above MUTE Push-button, on the front panel, will
flash On and Off during the time the audio is muted.
Note:For an explanation of the Remote Control Push-button functions, refer to pages 18 and 19.
16
Push-
Figure 13
How to Operate the MA2275, con't
Reset of Microprocessors
In the event the controls of the MA2275 stop functioning,
push the POWER switch OFF and wait about two minutes.
Then push the POWER switch ON followed by pushing
the STANDBY/ON Push-button. This will reset the
MA2275 microprocessors and the Tube Integrated Ampli-
fier should be functioning normally.
Note: The above condition is usually caused by either
interruptions in AC power and/or major changes that
may occur in AC power line voltage.
Using a Separate Power Amplifier
There are two different ways to use a separate power am-
plifier with a MA2275. The first way is to use the separate
amplifier instead of the MA2275 built-in Power Amplifier.
Connect the Loudspeakers to the separate
power amplifier and remove the McIntosh
Jumpers that are located between the OUT-
PUTS 1 Jacks and the POWER AMP IN-
put Jacks. Refer to figures 15 and 16.
Note: The McIntosh Jumpers must be
connected, between the above
mentioned jacks, when the MA2275
Internal Power Amplifier is to be used.
The second way is to use both a separate
power amplifier and the MA2275 built-in
Power Amplifier. Connect one pair of Loud-
speakers to the separate power amplifier
and the second pair to the MA2275. Refer
to page 13 for connection information.
Note: The MA2275 VOLUME Control will affect the sound
level of all the Loudspeakers.
How To Make A Tape Recording
1. Select the source signal you wish to record using the
INPUT SELECTOR Control.
2. Adjust the record level using the tape recorder volume
control and proceed with the recording process.
3. Press the REC MON Push-button and listen to the tape
playback of the just recorded program source selected.
Note: The MA2275 TAPE OUTPUTS are not affected by the
VOLUME or BALANCE controls.
Figure 14
Figure 15
Figure 16

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