• 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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Anyone used C3G to drive a 2A3 before?
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Stixx
Stixx
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Chinese 805 SET monoblock
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14
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sulcorebutia
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Nasty pop when I power down
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kevinkr
kevinkr
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Timer for tube hours
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piero7
piero7
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Question - Output Trafo with CFB
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32
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Johan Potgieter
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A
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first go at design - pp
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66
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adamus
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R
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Tetra Phono Preamp as a DAC analog stage
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Eli Duttman
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pi filter variations
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7
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Kashmire
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please help me change this
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3
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nickcurtis
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athos56
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Regulated PSU question
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3
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DougL
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Using a voltage converter transformer
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4
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987
woody
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Maximum gain with 6SN7 ?
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16
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tomat
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Cassiel
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Getting the DIYer blues again.
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23
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Cassiel
Cassiel
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PP oscillation problem
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7
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jjman
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Joshua_G
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Phono Stage – my first try
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16
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SY
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aardvarkash10
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230-115V step down transformer earthing
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Colt45
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Wiring a DPDT for direct in & 2-100k mono pots ..?
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2
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godfrey
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power supply filter choke current rating.
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9
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Bandersnatch
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Mosquito
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Rca 6md8
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Mosquito
Mosquito
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Arion "ADONIS" Schematics Request
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nejemia
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