• 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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amp in trouble
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22
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4K
alk
alk
B
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#26 line stage help
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4
Views
3K
Burnedfingers
B
V
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tiny amp
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6
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3K
JPS
JPS
M
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OT impedance problem
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2
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2K
m0rg
M
ray_moth
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New PP amp just completed - a few unusual features (long)
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4
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2K
ray_moth
ray_moth
Ryssen
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Dynaco FM3 220v-120v
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7
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3K
Ryssen
Ryssen
A
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Grundig TK-60 Reel to Reel Questions
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1
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3K
SHiFTY
SHiFTY
Hesky
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6C33 Internal Impedance (rp)?
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8
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2K
Hesky
Hesky
Fuling
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A safe (?) DC coupled amp
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4
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2K
Fuling
Fuling
A
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is 5mA too low???
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11
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3K
AudioGeek
A
Elkaid
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Vacuum Tube Valley 6SN7 preamp
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49
Views
35K
fdegrove
fdegrove
S
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amp troubles
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5
Views
2K
dhaen
dhaen
TonyTecson
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6gk6 tubes
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2
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5K
The-Planet
T
karma
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wa i popped a tube lol
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11
Views
3K
Layberinthius
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L
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Any opinions on the ECC81?
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6
Views
6K
Armin
A
benny
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does plate current/voltage effect tube sound????
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10
Views
11K
benny
benny
jamesjung21
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ECC808- what is it more like?
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7
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23K
fdegrove
fdegrove
T
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does anybody know this transfo?
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24
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6K
then_dude
T
C
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Audio Innovations 800 mk1
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0
Views
3K
ChrisW
C
A
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cathode follower
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2
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3K
G
G
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