• 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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EL34 Feedback circuit
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3
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2K
Tubelab_com
Tubelab_com
G
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Spice model for EL86/6CW5
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0
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genome
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bobhayes
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Typical 2A3 hum?
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31
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Bas Horneman
Bas Horneman
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JoLida Envoy PreAmp or DIY?
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1
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commstech
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Berning output buffer
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10
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SY
SY
Rundmaus
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How much ripple on B+ is allowed?
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11
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6K
HiFiNutNut
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Newbee looking to build Valve Preamp
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83
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Bandersnatch
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aletheian
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Question about single NOS triodes in cascode for fun
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39
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aletheian
aletheian
Z
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Looking for Audio Note P1SE schematics.
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2
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zulmr2
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Regulated psu for tube preamp
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21
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wuffer
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Mullard EL34-Authenticity Verification
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19
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Majestic
Majestic
dsavitsk
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300B Filament Voltage Range
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4
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4K
Sheldon
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dsavitsk
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Eye Tube (1629) controller help
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15
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dsavitsk
dsavitsk
SY
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Tube op amps
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16
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9K
SY
SY
croccodillo
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PWM power supply???
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11
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5K
Tubelab_com
Tubelab_com
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Help for stabilisator Data
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0
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sam8888ysl
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Klaus_Meine
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PV10 PS transformer
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0
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1K
Klaus_Meine
Klaus_Meine
aletheian
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So what are some good 7-pin, hi mu, low noise/microphonic tubes??
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16
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12K
aletheian
aletheian
silurato
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DG7-32 based oscillograph schematic needed
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5
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3K
Branez
Branez
audiophilediyer
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Philips V30M amplifier
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0
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audiophilediyer
audiophilediyer
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