• 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
K
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Has anyone built a transformer coupled preamp?
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0
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3K
KT
K
T
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Anyone in the world identify eico trans?
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7
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2K
SY
SY
D
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winding a toroidal pp output
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21
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5K
igormak
igormak
ray_moth
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Why hum in one channel only?
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4
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3K
ray_moth
ray_moth
ZuboMikhail
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Help to choose the tubes!
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0
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1K
ZuboMikhail
ZuboMikhail
percy
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Rdh 4
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7
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Geek
Geek
zobsky
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how does one "voice" a tube amp
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12
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5K
martinab2
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coffin
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My 6C45 DC 6C41, advice wanted
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20
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9K
fdegrove
fdegrove
G
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Tube Life
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14
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4K
djmiddelkoop
djmiddelkoop
M
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Ultimate power switch?
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4
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2K
djmiddelkoop
djmiddelkoop
E
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THX certification, or integrated near THX Quality,
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4
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2K
Layberinthius
L
M
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Matrix Amp?
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1
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2K
Layberinthius
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U
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Musical fidelity Nu-Vista
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7
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3K
EC8010
EC8010
resident
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PSUD2 question
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8
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4K
Layberinthius
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porkchop61
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Mystery (to me) phase inverter?
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17
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4K
porkchop61
porkchop61
M
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0.1uF @ 3000V Ceramic?
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3
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2K
Geek
Geek
Hamish
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6AQ5 Line stage?
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19
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5K
bequerel
B
J
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Different silvering patterns on tube tops?
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4
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3K
james_b
J
Mr. Triatic
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i have a matched pair of 3cx1000a7..
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8
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4K
Sch3mat1c
Sch3mat1c
Z
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Help with amp rebuild
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15
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DSP_Geek
D
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