• 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
alk
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tube disorder
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0
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1K
alk
alk
E
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voltage regulator using ECL84 + OB2
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19
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10K
ErikdeBest
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L
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selective tone control
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2
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2K
layt
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S
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Choke induced Hum
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47
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10K
Johan Potgieter
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B
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LC vs. CLC Theory
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5
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6K
Johan Potgieter
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E
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20% versus 43% screen tap
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10
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7K
Johan Potgieter
J
dshortt9
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Golden Tube Audio 300B se
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2
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4K
dshortt9
dshortt9
K
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Help finding: 7-pin PCB socket, 90deg horizontal
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0
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1K
kasra
K
C
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modify parallel push-pull EL84 to single push-pull
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12
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9K
Johan Potgieter
J
karma
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se el34 finally
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8
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2K
karma
karma
richwalters
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6C33 fixed/auto bias ?
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38
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15K
Sylvania
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dimitri
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Van der Veen transformers
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1
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2K
andyjevans
andyjevans
E
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Want to upgrade Velleman K8020
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3
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3K
gingertube
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G
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Distortion in Fisher 800C
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1
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2K
SY
SY
S
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phase splitter question
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3
Views
2K
aletheian
aletheian
L
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My experience building a DRD d3A/300B amp
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50
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42K
2wo
2
R
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Which valve amp do I keep?
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12
Views
10K
SHiFTY
SHiFTY
croccodillo
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KT88 Power supply question
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1
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2K
SHiFTY
SHiFTY
N
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Anyone has a copy of the superreg of Allan Wright's design
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54
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27K
gingertube
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D
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6SL7 + EL34 SE Audio Amp
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5
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5K
Griz
G
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