Question about Yamaha P4500 Power Amplifier 2-Channel
Amp gave out a large hum type sound in the speakers sound went out came back both speakers could not produce highs and amp was not driving out power like normal
First check your input cable-disconnect it and check if the problem finished---you will have a problem in input(cable or device)-start with another cable then your input device.
if the problem still check your out put cables(speakers cables)for short circuit or touch the bare wire with amplifier body.-try to clean volume controls with spray contact cleaner---confirm good connection in amplifier rear and in speakers rear.
Posted on Aug 25, 2008
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Posted on Jan 02, 2017
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