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Troubleshoot and repair a Fender Twin Reverb amplifier experiencing random feedback issues. Learn safety procedures for working with high-voltage equipment and explore techniques for diagnosing and resolving audio problems. Observe the process of identifying potential causes, including drifted bias, microphonic tubes, and dirty potentiometers. Gain insights into proper tube testing, replacement, and biasing procedures. Discover the importance of thorough component inspection and cleaning in vintage audio equipment maintenance.
