Need help?Do you have a question about the Adcom GFS-3 and is the answer not in the manual?
All safety and operating instructions should be read before unit operation.
Keep this notice and the owners manual for future reference.
Adhere to all warnings and cautions on the unit and in the owners manual.
Follow all operating and use instructions.
Unit should not be exposed to water or moisture.
Ensure unit location provides adequate ventilation, with 1/2" space above or below holes.
Place unit away from heat-producing products and ensure adequate ventilation.
Clean using a soft cloth dampened with liquid detergent and water solution.
Prevent objects from falling or liquids from spilling into the unit through ventilation holes.
Unit requires service by a qualified agency if dropped, damaged, exposed to rain, or malfunctioning.
Do not attempt service beyond manual; refer all other servicing to a qualified agency.
Read instructions carefully before connecting to avoid damage to amplifier.
Hook up procedure should only be made with amplifier power off.
Use new wire, identify polarity, and use 18 gauge or heavier wire for best results.
Connect amplifier outputs to selector inputs, and speakers to selector outputs, observing polarity.
Depress button for desired speaker pair. Selector handles up to 3 or 6 pairs.
Use 'PROTECTION' button for low impedances (multiple 4 or 8 ohm pairs) to protect amplifier.
ADCOM GFA-555 amplifier handles multiple speakers and low impedance loads well.
Contact ADCOM Technical Service Department for further questions.
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