• 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
J
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Help wanted on SRPP preamp
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8
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3K
jtcc1015
J
A
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Matching a preamp to high output impedance source
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5
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4K
ainami
A
M
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Another ECL86 (integrated this time)
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2
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2K
Yvesm
Yvesm
N
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CJ MV55 triode mode
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1
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3K
SHiFTY
SHiFTY
M
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amp-schematic questions...
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4
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2K
macce78
M
S
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Pop/crackle in one channel
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16
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5K
Saurav
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G
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5902 subminiature audio pentode
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9
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5K
Brett
Brett
jamesjung21
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How to find out which is which????
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2
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2K
fdegrove
fdegrove
Family_Dog
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Thordarson Choke type 1-8C42
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5
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2K
Geek
Geek
A
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VSE PP1 driver stage
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4
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2K
Andrewbee
A
GeirW
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Ediswan ECL86 datasheet wanted.
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2
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3K
GeirW
GeirW
GeirW
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TPP versus PSE.
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11
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3K
GeirW
GeirW
O
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my fun....
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2
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2K
Enzo
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L
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New Pas Question no photos
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5
Views
1K
lpd
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E
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JJ Tesla
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3
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3K
eeka chu
E
B
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Solid State delay on turn on relay.
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15
Views
5K
ray_moth
ray_moth
I
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Mullard 5-20 in triode mode
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15
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4K
ray_moth
ray_moth
T
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Grid stoppers?
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14
Views
5K
fdegrove
fdegrove
GeirW
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Distortion+low volume..
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5
Views
2K
GeirW
GeirW
T
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50C5 add-on amp
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7
Views
5K
PRR
PRR
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