• 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
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Cascode with ECC81(12AT7)=>Morgan Jones
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48
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the_manta
the_manta
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Single Stage Line Amp (Diff Amp) Tube?
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9
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3K
andyjevans
andyjevans
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How to change tubes ??? (NEWBIE)
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1
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SHiFTY
SHiFTY
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Where can I find these?
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12
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ivegotmono
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korneluk
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Pinout of a UTC CG-422 power transformer
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0
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korneluk
korneluk
Kofi Annan
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Kofi Annan in: "Surf Bassin'"
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9
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ivegotmono
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calculating HF rolloff at 20kHz from input impedance
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3
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kevinkr
kevinkr
bembel
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Looking for informations on Marconi TF2331 Distortion Factor Analyser
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12
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5K
bembel
bembel
jerluwoo
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First tubeamp, dont laugh too hard
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5
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Geek
Geek
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High voltage psu
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7
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4K
jackinnj
jackinnj
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Audio Research SP6 E
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1
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PIERRICK
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Kofi Annan
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Kofi Annan in: "Seven-Pound Mono Amp"
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20
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Tubelab_com
Tubelab_com
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EL34 as preamp
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17
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Bandersnatch
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small practice amp with master volume
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1
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Sherman
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aletheian
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6sc7 vs. 6su7 in LTPI duty
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3
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3K
ray_moth
ray_moth
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5881
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2
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gingertube
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jerluwoo
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Anyone tried this method for OTL?
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3
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2K
tubetvr
tubetvr
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How do I design minimum current for 35W PP AMP
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14
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4K
ANALOG GUY
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Choke question
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26
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4K
Tweeker
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soulmerchant
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Silly Chassis Punch Question...
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15
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zobsky
zobsky
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