• 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
jives11
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hum loop advice
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4
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2K
EC8010
EC8010
B
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Help on Preamp Mute Switch
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6
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4K
fdegrove
fdegrove
ray_moth
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Some questions about Van Scoyoc X-coupled splitter
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2
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2K
ray_moth
ray_moth
dhaen
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Against all odds...
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6
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2K
fdegrove
fdegrove
S
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variable regulated negitive grid supply
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6
Views
2K
dhaen
dhaen
percy
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Which ST-70 ?
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21
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7K
SY
SY
C
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ARC SP8 schematic
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9
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5K
cm
C
P
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Most effective use of valve pre & active xover
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8
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3K
planet10
planet10
S
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solid state Vs Tube Rectification
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3
Views
4K
SHiFTY
SHiFTY
S
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Help with Jolida 302A
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4
Views
4K
Tube_Dude
Tube_Dude
S
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Dual Stereo Cathode Folower Setup
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17
Views
6K
Yvesm
Yvesm
T
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I'm looking for 6H13C tubes
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2
Views
2K
TG
T
fdegrove
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Cryoed Tubes...what To Expect?
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10
Views
4K
rcavictim
rcavictim
Bill F.
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Tube possibilities for 2.9k-ohm speaker?
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5
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2K
rcavictim
rcavictim
A
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Newbie Question: Need help diagnosing a problem, tubes on, music fades out quickly
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4
Views
2K
AndrewTosh
A
C
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Help trouble shooting
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11
Views
3K
JojoD818
JojoD818
illuwatar
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Regulation options for 807 g2
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13
Views
8K
illuwatar
illuwatar
SHiFTY
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Fixed bias supply problems...
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3
Views
2K
Yvesm
Yvesm
etalon90
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question about 811A and 572B
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3
Views
4K
billr
B
Frank Berry
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7591EH failure
Replies
10
Views
4K
Layberinthius
L
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