• 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
R
Source for archive CD of Sound Practices Magazine
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15
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4K
astouffer
astouffer
Fuling
Ever wanted to be a beauty pageant judge?
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59
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3K
Fuling
Fuling
C
Tubelab SPP first timer build
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627
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44K
Francois G
Francois G
C
Chassis venting recommendation for Aikido octal and PS-21
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15
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587
lavane
lavane
T
Fisher 400 and 500B
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0
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202
Tubesaregreat
T
G
New DHT heater
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1K
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482K
Fuling
Fuling
K
Help with Replacement transformer for an audio research sp3 preamp
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22
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964
rayma
rayma
PauliusT
Bartola 300B SE build
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79
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8K
PauliusT
PauliusT
J
GZ34 occasional runaway voltage
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27
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1K
lcsaba
L
K
Question about feedback on push pull
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10
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553
6A3sUMMER
6
PB2
Book "Getting the Most From Vacuum Tubes" by Robert B. Tomer Online .pdf
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6
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473
jan.didden
jan.didden
T
PPP 201, 71A or 112 tube for Amp
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20
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685
Tubesaregreat
T
emartine
Matsushita ECC85/6AQ8
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4
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308
gupsta
G
M
What should I do with the pentode section of a 6U8A when only the triode is used
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30
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1K
wg_ski
W
B
Run 6X5GT or 6BY5GA Rectifier
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28
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7K
brucebosler
B
emartine
Tube amp noise
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42
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1K
Tubesaregreat
T
F
Eico ST40
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25
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4K
Bluesystems
B
bondini
6LQ6 GE data sheet - assistance with interpreting the description
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14
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759
Tubesaregreat
T
G
Audio Research LS1 what are those FETs?
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4
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534
jan.didden
jan.didden
C
Can you identify this DIY tube amp PCB?
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4
Views
383
Cornwallav8r
C
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