In this video we’ll follow the service of a vintage 1965 Gibson GA19-RVT Falcon tube guitar amplifier. The owner wanted a full service and a check of the non-working reverb. He also wanted me to modify the amp by removing the "tone-sucking network" also known as the Sprague couplet. This is a tone-shaping R/C network that shapes the tone in these amps to keep them clean with Gibson style humbuckers, but also robs the amp of gain and tone. We’ll remove this network and work on beefing up the weak reverb as much as we can. At the end, we’ll demo the amp and show why these are some of the most RIPPING sleeper amps of the 1960s.
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