ADJUSTMENTS AND SWITCHES
INPUT SELECTOR SWITCH
a)STEREO MODE. Select the "ST" (mid) position when the amplifier is used as a
Note:Even in this case the connection is possible L + R
b)LEFT MODE "L - MONO". Select the "L - Mono" position when the amplifier is used for only one channel of the stereo system or for one bridged channel.
Note: Connect the leads coming from one speaker to the
terminals (L+
c)L + R MODE. Select the "L+R" position when the amplifier is used for a subwoofer system using the right and left channels. Thus, the two inputs are blended into one mono output signal divided between 2 channels or, one double power channel if the Sub Woofer is connected to the central channel L + R .
INPUT GAIN ADJUSTMENT CONTROL
In the mid position an input sensitivity of 500 mV is selected corresponding to the preamplified outputs of MACROM products.
If the amplifier is to be connected to a head unit that is not of MACROM make but is fitted with preamplified RCA outputs proceed as follows:
a)Adjust the volume control of your head unit to 3/4 of a turn from the maximum output level.
b)Turn the input control by means of a screwdriver and adjust the input gain from 0.1 V to 2 V to the maximum sound level where no distortion occurs.
L (MONO) |
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L (MONO) |
| ST |
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L (MONO) |
| ST |
| L+R |
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0.5V
2 V 0.1V
GAIN
CONTROL
0.5V
2 V 0.1V
GAIN
CONTROL
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