• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Tubes / Valves

All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum
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Winding an audio transformer
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mark_titano
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philipbarrett
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RIAA Schematics?
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analog_sa
analog_sa
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Line out for subwoofer in tube amps
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Eli Duttman
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sajti
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DC coupled long tailed pairs
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sajti
sajti
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help with modifing a H/K A500 amp
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CharleyW
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C
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Push pull designs.
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Jax
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Fuling
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Feedback in IT coupled amps?
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Fuling
Fuling
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Need PP KT-88 amp design and KT-88 for triode use?
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amperex
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percy
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Extremely low power and low loss transformers
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Larry Lomax
Larry Lomax
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Tube effects Loop Schematics... ?
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psychodave
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richwalters
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KT100...what's this ??
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amperex
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W
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Help measuring output impedience
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2
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woody
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Fuling
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Max B+ for 807 UL?
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10
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Fuling
Fuling
S
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tubes
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sunseeker
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P
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Voice of Music 555 phonograph
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peace brainerd
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G
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DIY Hybride amplifiers
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jeapel
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Z
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I need an advice for these tubes..
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11
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Colt45
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Lafayette Bypass Option
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10
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D0Hbert
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Anode Resistors on PPP Amps
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richwalters
richwalters
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Tubes lifetime and sound
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19
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amperex
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