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Description of Unit
Rear Panel
Inputs (1)
The audio inputs for the GFA-7700 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 ve
channels; Front L (Left), Center, Front R (Right), Surround L (Left), and Surround R (Right). To insure
that the performance designed into the GFA-7700 is preserved, you should use the highest quality
audio cables possible. There are many cables which are color-coded and specically designed for this
application. Your Adcom dealer can help select the best cable for your needs. (See Connecting the
GFA-7700 for more information.)
Outputs (2)
The GFA-7700’s connections to the loudspeakers are made through high-grade, 5-way, gold-plated
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.) (See CONNECTING THE
GFA-7700 for more information)
DB-25 Multichannel Audio Input Connector (3)
Input connections may be made with the optional DB-25 computer-type connector. Using this type of
connecting cable would override the need to use the RCA-type inputs (1). This mode of connection
retains the same high level of signal transfer, simplies the job signicantly and insures automatic,
correct connections to all channels.
5
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2
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1
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3
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4a
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4b
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5
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