• 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
dsavitsk
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output transformer spec questions
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8
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2K
Tweeker
T
leadbelly
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Is feedback required for UL EL84PP?
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10
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4K
Johan Potgieter
J
A
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IEC standards, anywhere?
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1
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2K
EC8010
EC8010
A
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Can I use 12AT7?
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6
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2K
Ahmad_tbp
A
B
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Benchtop PS
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30
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7K
Tweeker
T
T
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Static stain cleaning
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2
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1K
Tubesin
T
elementx
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Standby switch
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6
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2K
amperex
A
X
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Parallel triodes - CONS?
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4
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3K
XZur
X
Y
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Heretical Unity Gain line stage PLUS a little gain ?
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7
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4K
yagas
Y
M
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12AX7 preamp project
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0
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3K
Mrpong
M
ray_moth
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Cross-coupled NFB for PP Pentode
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3
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2K
ray_moth
ray_moth
D
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Problems With Simple Gounded Cathode Gain Stage
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4
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2K
dr._sleep
D
S
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Anyone in gta know their tubes?
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7
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1K
anatech
anatech
finwbu
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Kirung's GM70 SE-Amps from Korea
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2
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3K
finwbu
finwbu
K
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Does anyone recognise this valve amp
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8
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2K
EC8010
EC8010
T
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Schematic
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23
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5K
Tubesin
T
T
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CCS, how it actually works?
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17
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18K
Tubelab_com
Tubelab_com
Geek
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Whose logo?
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3
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2K
Geek
Geek
T
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superalloy ( 78% nickel/2%cobalt) EI-66 with Furukawa ultimate wire.
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1
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3K
tube-lover
T
P
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4 volt (dc?) heater from 6.3v
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14
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4K
richwalters
richwalters
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