DR #55 - Restoring the Bass on an Adcom GFA 5500 Power Amplifier
This Adcom GFA 5500 is suffering from a common problem: weak bass. This video documents how I restore the bass, as well as the theory behind why it was lost.
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DR #30 - Adcom GFA-5200 Repair
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Adcom GFA 585 Part 1 - First Look
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DR #68 - Complete Servicing of a Powerful Audio Amplifier
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DR #71 - Repairing a Dead Parasound A23+
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Why Your Amplifier Will Die In 5 Years (The Hi-Fi Repair Scam)
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The Best Cable - Wire For Audio? Let's Look Closer!
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Vintage Quad 33 Preamp & 303 Power Amp - Service & Bench Testing
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A quick review and overview of a vintage ADCOM stack. I will tell you what "GFA" stands for!
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Troubleshoot And Repair This ADCOM GFA-555se Audio Amplifier
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DR #19 - Rotel RB-1080 Power Amplifier Troubleshooting and Repair - Speaker Popping and DC Voltage
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Audiophile Power Regenerator Repair (PS Audio Power Plant 300)
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ADCOM GFA-555! - Fuse replacement and Bias Check plus Audio Demo
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How to repair a dead Integrated home audio amplifier step by step Realistic SA-1000
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DR #41 - Carver C4000 Preamplifier Service, Testing, and Circuit Analysis
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ADCOM GFA-555 II Audio Amplifier - DC Offset And Bias Problem - Repair And Test
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THE LIE AUDIOPHILES TOLD FOR 40 YEARS
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DR #62 - Massive Amp Stuck in Standby - Parasound HCA 2205A Repair
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Adcom GFA-555 serviced and set the BIAS
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Adcom GFA 555ii Amplifier Vintage Review: Sheer Horsepower Beast
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