• 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
Alastair E
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6SL7 or 12AX7 in Kimmel OTL
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6
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3K
Alastair E
Alastair E
jlsem
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Golden Middle output transformers
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3
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2K
analog_sa
analog_sa
W
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Help needed on tube rectification.
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10
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2K
Bas Horneman
Bas Horneman
planet10
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valve info? NEC 30M-P25
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4
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2K
AV8R
A
G
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Recommended sources for SED EL 34s
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1
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1K
Colt45
C
T
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Tube rectifier ?s
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16
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5K
EC8010
EC8010
T
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4 Ohm on 25v Tap?
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16
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6K
Burnedfingers
B
T
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good replacement for ECC82
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34
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28K
Alastair E
Alastair E
A
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12B4A PP schematic
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119
Views
21K
fscarpa58
F
andyjevans
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Input stages - to decouple B+ or not?
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1
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2K
fdegrove
fdegrove
trancy
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PSU choke value
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8
Views
2K
Sch3mat1c
Sch3mat1c
A
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Using Telefunken "Tank" transfomers for a single ended el84 amp?
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13
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4K
planet10
planet10
J
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Enclosures in MDF.
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14
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3K
Bricolo
Bricolo
Timn8ter
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NWWA DIY Audio Meet 2004
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0
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1K
Timn8ter
Timn8ter
A
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Audio Research V70
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0
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3K
aeon845
A
Alastair E
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EL519/KT90 The old debate
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8
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10K
fdegrove
fdegrove
T
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The MDF amp chassis discusion reminds me...
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2
Views
2K
tom1356
T
R
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SE used as step down OT
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2
Views
1K
redofneck
R
DrDeville
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Soliciting Enthusiastic Recommendations for 50+WPC Kit or Design
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5
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2K
DrDeville
DrDeville
F
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Supertotem
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9
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4K
fdegrove
fdegrove
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