• 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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Dynaco ST-35 Newbie cathodyne question
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5
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rotaspec
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pointy
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CCS or V.REG for OP anode
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0
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pointy
pointy
trigger
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ID request, is this a pre?
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12
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trigger
trigger
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Damper diodes, center tapped heater, B+
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0
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kegger
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GregH2
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Anyone have valve/tube libraries for express PCB or PCB123?
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GregH2
GregH2
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NAD preamp = 6BQ5 Frankenschteen
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13
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leadbelly
leadbelly
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Amp switching with 4093/4066. How to add indicator LEDs?
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3
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soma_hero
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rsumperl
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Sweep tube suggestions
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2
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Tubelab_com
Tubelab_com
GregH2
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Can someone please check my PCB layout for this preamp?
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3
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GregH2
GregH2
richwalters
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New valve int flash over why ?
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0
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richwalters
richwalters
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Wintersweet highvividity driver circuit
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4
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HighVividity
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A
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300B sockets (different question)
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11
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Alex M
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Bottlehead Filament Choke FC-1 for Push-Pull?
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Kashmire
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P
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Yaqin MC-10L Blown Fuse
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5
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pouch
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tri-amping question (s)
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12
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makaiyumtony
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Looking for TT11(CV1501) triode mode curve
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olaychang
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J
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Testing valves/tubes
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4
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Joe of Loath
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2a3 amp, progress picture
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spgjmf
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tvrgeek
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Understanding load lines
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20
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rotaspec
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Anyone got any info on the Tippatone 500 watt amps?
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7
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Test Electrix
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