Measuring DC Offset on a HiFi Amplifier
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How to test and measure your amplifier outputs - avoid blowing up speakers
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How I Use My Multimeter | Vintage Amp Repair Test Tools
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Test Your Audio Amplifier With a Multimeter and a Smartphone
12:39
Diagnosing a Pioneer SX-535: High DC Voltage at Speaker Terminals!
15:30
Bias and Offset in Audio Amplifiers
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What Happens When You Wire Speakers Backwards?
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Amplifier Cutting Out? Protect Mode? No Sound? Test these!
14:01