• 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
Nuuk
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Heater voltages
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9
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1K
Nuuk
Nuuk
R
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Connecting a MF tube buffer directly to AKM DAC
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7
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4K
SY
SY
C
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Hi Performance Pre amp
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10
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3K
Alex M
A
langtuhanoi
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DIY preamp tube: Audio Research Reference 3???
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22
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22K
aeinehsaz
A
merlin el mago
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SE TESLA E34L
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19
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4K
artosalo
artosalo
S
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Hipass filter to control master bias? - Why attempt to reproduce DC in a tube amp?
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13
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2K
DF96
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L
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Oscillation in hybrid amp, how to solve?
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3
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2K
DF96
D
Alastair E
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Stereo Circlotron using only two supplies...
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4
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1K
smoking-amp
smoking-amp
D
trio W-38 problems
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11
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6K
Blaujunk
B
D
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Audio Note M-Zero remote control problem
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8
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4K
DIYNick
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N
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Size does matter!
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4
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1K
west_nm
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S
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Mercury 1000/2000 KT-88 and 6l6 design bug
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0
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2K
speakerfritz
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H
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A quick tube matching question
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3
Views
2K
speakerfritz
S
M
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Mechanical Isolation for a Power Transformer
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7
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4K
speakerfritz
S
chops
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Excellent NOS Russian 6Pi3C/6N3C (6L6GC) Tubes...
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88
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52K
taj
taj
B
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845 A2 Monoblock Project
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299
Views
52K
THD+N
THD+N
H
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Has some tried to use E/PL81 in PPP setup
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1
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3K
davorin
D
A
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anyone help convert dual volume to single?
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11
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3K
mashaffer
M
rknize
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Hot 5AR4/GZ34 arcing on powerup surge?
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15
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10K
mantha3
M
tomchr
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6LU8 Spud - Request for comments
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24
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12K
djn
djn
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