• 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
rhysh
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Building first tube power amplifier, reccomendations?
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81
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10K
serph1nia
S
J
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what just happened? Plate glowing
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15
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4K
jrenkin
J
D
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Music Angel KT88 hard wired
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4
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2K
DC2100
D
R
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ECL86/6GW8 Console opinions
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18
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3K
rotaspec
R
wicked1
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hammond power tx 200series update
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2
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1K
JLH
JLH
hoyhoysum
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What the difference between 7591a & 7868
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16
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14K
hoyhoysum
hoyhoysum
pointy
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no resistor values........
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19
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2K
pointy
pointy
C
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capacitor upgrade on my tube phono stage
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11
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4K
Bob W7ETA
B
P
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getting a pop when i power down, help
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5
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1K
parkerfly
P
K
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My first valve amp - help appreciated :)
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6
Views
1K
Krstfrs
K
crj11
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Bad tubes wanted for tester testing
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4
Views
2K
crj11
crj11
SpreadSpectrum
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KT88: EH vs. Winged C
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14
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8K
draperphoto
D
M
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Jukebox Iron
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9
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3K
m6tt
M
hoyhoysum
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7868 tube biasing and output trans protection
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3
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4K
SY
SY
T
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output transformer manufacturer
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3
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1K
tt21
T
hoyhoysum
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Vintage tube amp Aux In To CD In
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10
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4K
hoyhoysum
hoyhoysum
jmillerdoc
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Amperex Bugle Boy tube???
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11
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13K
Arnulf
A
Cassiel
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Nagra's engineers at work.
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14
Views
5K
Cassiel
Cassiel
E
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Changing Electra-Print DRD45
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4
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2K
dsavitsk
dsavitsk
ashok
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High Zout tube preamps with ss power amps.
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24
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7K
ashok
ashok
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