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| ADCOM GFA-6006/02 Owner’s Manual8
9ADCOM GFA-6006/02 Owner’s Manual |
Description of Unit:
Rear Panel
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Inputs &
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Outputs
The audio inputs and outputs for the
GFA-6002 and GFA-6006 are through
high-quality, gold-plated RCA jacks to
minimize high-frequency losses, noise,
etc. They will accept standard RCA-type
plugs, one for each of the channels. To
insure that the performance designed
into the amplier is preserved, you
should use the highest quality audio
cables possible.
The GFA-6002 and 6006 feature inputs
and outputs for each channel to
allow “daisy-chaining” of channels or
additional ampliers in an installation.
To direct signal from one channel to
another, connect an appropriate cable
(RCA to RCA, male to male) from the
output of one channel to the input of
the desired channel.
In bridged operation (see Bridged
Operation) only the Bridged
Mono Input is to be used. On the
GFA-6006, bridged mono inputs are
channels 1,3, and 5. On the GFA-6002,
bridged mono input is channel 1. For
“daisy-chaining” the corresponding
outputs for these channels are active.
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Input Level Adjustment
Each channel has an input level
adjustment. The purpose of this
adjustment is to balance levels
in installations where physical
circumstances may create a large
difference in volume. Turn the
level control to the fully clockwise
position for maximum sensitivity;
turning the control counter clockwise
reduces sensitivity. Use a small
blade screwdriver to adjust. In
balanced operation only the input
adjustments for channels 1, 3, and 5
(GFA-6006) or channel 1 (GFA-6002)
are effective (see BRIDGED OPERATION
for more details).
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Amplier Outputs
The GFA-6006/6002’s connections to
the loudspeakers are made through
high-grade, 5-way, binding post
terminals. There are two terminals for
each speaker, which are colored RED
for the positive (+) output and BLACK
for the negative (-) output. The binding
posts will accept a variety of connector
types; the most secure and prevalent of
these is the “U”-type spade connectors
(at least 0.25” wide and maximum
width of 0.57”). The terminal will also
accept bare wire (up to AWG10) and
“banana” type plugs (single or dual).
In connecting the amplier to the
loudspeaker, it is vital to maintain
proper polarity (positive to positive,
negative to negative) in stereo
operation. On the GFA-6006/6002, the
positive terminal is color coded RED
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GFA-6006 Rear Panel
GFA-6002 Rear Panel