• 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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MOSCODE hybrid DIY
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ckwong99
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Le tube preamp
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wuffer
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Looking for ORIGINAL GE 6L6GC
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Johan Potgieter
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choke and choke
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Tubelab_com
Tubelab_com
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HSS preamp, anyone care to comment
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Puggie
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Differential input stage
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Steve Eddy
Steve Eddy
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rca conversion
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oogared
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Variac problems
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ErikdeBest
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A question regarding schematics
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57459
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Instrument/Microphone Tube Pre-amp
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thyratron
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dsavitsk
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suggestions for 300B tubes
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Calvin
Calvin
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My first creation
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Morgan L
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teodorom
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SACThailand
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5150ed
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heating
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kathodyne
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help me design an input stage for 6b4G PP
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analog_sa
analog_sa
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ECL80-Amp from Andreas Kirschner
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bobo1on1
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Is single ended Class A better than push-pull?
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triode_al
triode_al
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Quicksilver 8417 power supply caps?
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billabong
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first-time tube DIY project...phono preamp
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cerrem
cerrem
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12au6 preamp
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OEJ
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