Vacuum Tube Push-Pull 6P14/6BQ5/EL84 Amplifier - Part 2
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1:08:21
Vacuum Tube Push-Pull Amplifier Kit - Part 1
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56:33
6BQ5 Amp Kit Part 3 - Mods & Test
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20:50
'JD Vance is a piece of sh*t' | Adam Boulton tears into Trump's explosive row with Zelensky
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9:20
‘This is the point you resign’: Former U.S. National Security Advisor calls on Marco Rubio to resign
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50:58
Damping Factor: What is it & is it Important?
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20:53
How Tube Amplifiers Work, Part 2: The Pre-Amp and Power Amp
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50:50
Manutenção de um amplificador de campo magnético Carver M1.5t
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49:26