• 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
Z
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LOT of tubes. what can I do?
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21
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4K
jlsem
jlsem
H
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Help With Jukebox Amp
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2
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2K
sweet
S
S
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substitution for 7355
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3
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10K
sweet
S
Real_Macgyver
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Audio Research REF 2 MkII
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0
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3K
Real_Macgyver
Real_Macgyver
P
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Questions on 6H30 simple PF?
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6
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3K
TonyTecson
TonyTecson
J
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How can I lower B+ of power supply?
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20
Views
5K
Giaime
Giaime
S
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6ck4 pp amp
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93
Views
23K
Sheldon
S
S
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Enclosure suggestion/questions
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12
Views
3K
dhaen
dhaen
navin
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long cable line drive
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40
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8K
navin
navin
S
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WTB:OT for el 34 35 watt tube amplifier
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6
Views
2K
navin
navin
Trout
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Tube Oscillation or Microphonic Question
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6
Views
5K
Trout
Trout
K
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Compound bias
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4
Views
2K
DigitalJunkie
D
redrabbit
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"Super Davohm" 1w .1% wirewound
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2
Views
1K
jlsem
jlsem
imix500
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Heathkit AA-100
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2
Views
6K
imix500
imix500
Padel
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6072 tube preamplifier.
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11
Views
5K
Padel
Padel
M
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New project and my first circuit...
Replies
7
Views
1K
SY
SY
J
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Supply voltage for 12v6 12B4 heaters
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9
Views
2K
Jay
J
N
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Tube Amp - Crackling Sound on Left Channel
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8
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15K
Noak
N
Trout
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Triode Electronics ??
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13
Views
4K
Tubelab_com
Tubelab_com
M
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Question about PIV rating of diodes...
Replies
42
Views
8K
TonyTecson
TonyTecson
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