Biasing a vintage 100w MARSHALL
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38:42
Marshall JCM800 4210 Bias and Power Check
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33:52
How to Fix Marshall JCM800 Lead Intermittent Sound
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51:21
Marshall JMP Super Bass vs Super Lead - How to convert
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42:11
Have I Made Another MISTAKE? | Rift Midweek Update + Q&A
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19:14
How to Measure Tube Amplifier Plate Current (Biasing) and Actually Understand What You Did
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19:21
1979 Marshall JMP 2203 - the 'Bright Cap' revisited!!
![](https://i.ytimg.com/vi/f0y1bNzLkLo/mqdefault.jpg)
12:51
Eurotubes Generic Bias Video
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11:52