• 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
rsumperl
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On cleaning transformers
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1
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1K
funkytek
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B
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decware kits worth it?
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3
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2K
Eli Duttman
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S
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Help with hybrid mosfet valve amp
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57
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13K
Ivey
Ivey
M
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Separate power supply - Umbilical Cord
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39
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18K
makaiyumtony
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M
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Replacing Cap Across Filter Cap
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4
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2K
Monjul
M
aardvarkash10
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Ebay trader zhangsheng
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8
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1K
Arnulf
A
Troncones
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Power Trans. Load Test
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3
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1K
Troncones
Troncones
Cassiel
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Adjustable internal Resonance?
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15
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3K
Sheldon
S
Gluca
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A DC coupled headphones amp
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0
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2K
Gluca
Gluca
bst
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Simple test for transformer frequency response?
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1
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9K
tomchr
tomchr
N
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tubecad and tubecad se
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7
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3K
DougL
D
TubeMack
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Output impedance tap considerations.....
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14
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2K
TubeMack
TubeMack
K
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Regulate HV preamp with floating LM317?
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5
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2K
kacernator
K
T
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MF X-10D replica problem
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6
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4K
sycorax
sycorax
D
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First "boot" in 15 years
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30
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4K
soulie12000
S
boywonder
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B+ Voltage sag for AB1 PP
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34
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5K
boywonder
boywonder
hurdy_gurdyman
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Thoughts on output PP trannies
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20
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6K
chrish
chrish
martyh
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Baby Huey-ish phono?
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2
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1K
martyh
martyh
C
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EL509/519 -> 6LF6 Adapter
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21
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15K
mcgriddles4u
M
rknize
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Amp switch safety load
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1
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1K
TheGimp
TheGimp
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