11
How to Read the Power Output Meters
The MA6450 Power Output Meter scales are based on us-
ing 4 ohm loudspeakers. The meters are peak responding
and indicate the power output of each channel with high
accuracy when the amplifier is reproducing music. The
power outputs for the meter scale indications between the
numerical markings (high lighted in gray) are shown be-
low.
Meter Reading
Actual Power Output
100
100 Watts
-
40 Watts
-
20 Watts
10
10 Watts
-
4 Watts
-
2 Watts
1
1 Watts
-
0.4 Watts
-
0.2 Watts
0.1
0.1 Watts
-
0.04 Watts
-
0.02 Watts
0.01
0.01 Watts
-
0.004 Watts
Speakers 1 and 2
Press SPEAKERS 1 or 2 push-buttons to switch the two
pairs of speakers on or off. You can press either push-but-
ton individually, or both together.
Reset of Microprocessors
In the event that the controls of the MA6450 stop function-
ing, remove the MA6450 power cord from the AC outlet.
Wait approximately two minutes and then replace the
power cord in the outlet. This will reset the MA6450 mi-
croprocessors and the amplifier should be functioning nor-
mally.
NOTE: The above condition is usually caused by either
interruptions in AC power and/or major changes in
voltage.
How to Make a Tape Recording
Select the desired input source to be recorded with the In-
put selector switch. This signal will appear at both Tape
Outputs 1 and 2 and allow either or both machines to
record the selected signal. The selected signal source will
also be available at the main outputs and both pairs of
speaker outputs. To play back the recording, press a TAPE
MON push-button. Refer to Figure 1.
NOTE: If a 3 head tape recorder is being used, you can monitor
the tape playback during the recording process by
pressing the appropriate TAPE MON push-button.
How To Make an Audio Tape Copy
Press the TAPE COPY 1-2 push-button to copy tapes from
Tape Recorder 1 in playback mode to tape recorder 2 in
record mode. Press TAPE COPY 2-1 to copy tapes from
Tape Recorder 2 in playback mode to Tape Recorder 1 in
record mode. During the tape copy process, you can listen
to tape playback by pressing a TAPE MON push-button.
Refer to Figure 1.
NOTE: You can also listen to any other signal source while
copying a tape.
How to Operate the MA6450
cont
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