• 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
S
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ground and earth
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17
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4K
ThomasC
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J
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how to make tube amp sound layback and mellow?
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28
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7K
arnoldc
A
alexmoose
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The Trials, and Tribulations of Bias
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7
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ray_moth
ray_moth
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Which components should be matched?
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1
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kevinkr
kevinkr
S
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Low voltage-drop CCS for LTP input stage?
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8
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3K
Svein_B
S
astouffer
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Ok to exceed Vg2 in triode? (Yes)
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8
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2K
Nafty
Nafty
S
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Tube Socket Mounting - rigid or floating
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2
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2K
Geek
Geek
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SE 20W. What tube?
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28
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13K
tubalu
tubalu
B
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thyratron?
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6
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2K
Geek
Geek
tenderland
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% error for primary resistance
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4
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2K
tenderland
tenderland
astouffer
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Testing a 70.7v transformer
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1
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2K
EC8010
EC8010
K
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Transformer and Choke Grounding?
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4
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2K
astouffer
astouffer
S
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Tube frontend....
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1
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1K
lndm
L
Trout
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6550 Safety Question
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3
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2K
poobah
poobah
J
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Melos Ma-111b
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1
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3K
KBK
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R
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Help for pre-amp and two single-ended finals
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3
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1K
Eli Duttman
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2
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Old audio amp change
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3
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1K
Tubelab_com
Tubelab_com
Z
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6V6 ->EL84 with 12AT7?
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8
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4K
JimW
J
I
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design for 6336A OTL amp needed
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7
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9K
kevinkr
kevinkr
D
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Trafomatic Transformer
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5
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4K
pred
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