807 Amplificador estéreo SET "Little Jewel"
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19:17
Phase Shift And NFB In The SE Amplifier
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17:04
Frequency Contouring The Single Ended Vacuum Tube Amplifier
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12:51
The Fisher Story: They Set The Standards For Hi-Fi
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37:18
Fixing A HOT HOT Marshall | Rift Weekly Update
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8:51
Scrapping out a heavy, VINTAGE amplifier (1976)
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24:04
Dynaco ST70 Tube Amp: New vs Old, Tests and Review.
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17:34
WW2, MILORG AGENT RADIO - OLGA
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10:01