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Power Output Meters
The MA6600 Power Output
Meters indicate the power deliv-
ered to the Loudspeakers. Refer to
figure 39. The meters respond to
all the musical information being
produced by the Amplifier. They
indicate to an accuracy of at least
95% of the power output with only
a single cycle of a 2,000Hz tone
burst.
Power Guard
During normal operation, the
Front Panel Power Guard Indica
-
tors will momentarily illuminate
during peaks in the audio signals.
In the event the MA6600 over
heats, due to improper ventilation,
high ambient temperature and/or
impedance mismatch, the internal
protection circuits will activate.
The Front Panel Power Guard In-
dicators will continuously illumi-
nate and the audio will be muted.
When the MA6600 has returned
to a safe operating temperature,
normal operation will resume.
How To Make a Recording
1. Select the desired signal source
you wish to record by using the
Front Panel INPUT Control or the appropriate Source
Push-button on the Remote Control.
2. Adjust the record level using the recorder volume con
-
trol and proceed with the recording process.
3. To listen to the playback of the program source just
recorded select the REC Input.
Note: The MA6600 REC OUTPUTS are not affected by the
VOLUME, BALANCE or TONE Control Settings.
Using a Separate Power Amplifier
There are two different ways to use a separate power am-
plifier with a MA6600. The first way is to use the separate
amplifier instead of the MA6600 built-in Power Amplifier.
Connect the Loudspeakers to the separate power amplifier
and remove the McIntosh Jumpers that are located between
the OUTPUTS 1 Jacks and the PWR AMP INPUT Jacks.
Refer to figure 40 on the next page.
above the MONO Push-button will illuminate. The
MA6600 will remember for each input the MONO setting.
Note: The signals at the REC OUTPUT Jacks are not af-
fected.
Mute
Press the MUTE Push-button, on the MA6600 Front Panel
or on the Remote Control, to Mute the Audio in all outputs
(Output 1, Output 2 and Loudspeakers) except the REC
OUTPUT. The Front Panel Information Display will indi-
cate the Source
Name and the
word MUTE in
place of the actual
volume setting.
Refer to figure 36.
Pressing the Mute Push-button a second time or adjust-
ing the volume control (either the Front Panel or Remote
Control) will un-mute the MA6600.
If the Front Panel MUTE Push-button is pressed for
at least 3 seconds, the MA6600 will mute the OUTPUT
connectors (Output 1 and 2), yet listening with headphones
will continue until the Mute Push-button is pressed again
for 3 seconds.
The Front Panel
Information
Display will in-
dicate the Source
and Headphone
Setting. Refer to
figures 37 and 38.
Headphones Jack
Connect a pair of dynamic headphones to the Headphones
Jack for private listening. Press OUTPUT 1 and/or 2 Push-
buttons to mute the Loudspeakers or use the MUTE Mode
Headphone Function outlined above.
Note: The Headphone Output is optimized for impedances
ranging from 16 to 250 ohms.
How to Operate the MA6600, con’t
Figure 36
SOURCE: CD1
MUTE
Figure 18
Figure 39
SOURCE: CD1
15%
Figure 37
SOURCE: CD1
HEADPHONE - 15%
Figure 38
SOURCE: CD1
HEADPHONE - MUTE