The MiniAmp 2.0 | Diy guitar amp, Diy amplifier, Valve amplifier
JJ ECC99 – Doug's Tubes
Second modification of the line stage with ECC99 of the Vanderveen MCML05 pre-amplifier”
2W High-Gain build into an old SS combo | Telecaster Guitar Forum
DIY tube push pull monoblocks I recently finished (EL34 + 6N6P/ECC99) : r/audiophile
No R, No C, Push Pull, 4 watts
Second modification of the line stage with ECC99 of the Vanderveen MCML05 pre-amplifier”
DIY 12AX7, ECC99 MiniAmp | DIY Guitar Freak
ECC99 SRPP Headphone Amp
amplifier - Looking for Power Transformer for ECC99 OTL Headphone Amp - Electrical Engineering Stack Exchange
el escorpion" Line Stage
ecc99 low powered amp - Music Electronics Forum
DIY 12AX7, ECC99 MiniAmp | DIY Guitar Freak
Single Ended ECC99 - 6C33C Amplifier with regulated tube PS
Single Ended ECC99 - 6C33C Amplifier with regulated tube PS
Cathode-Follower& SRPP Power Amplifiers
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More Retrograde and DHT Heating Power Supplies
ECC99 - Vacuum tube | JJ Tubes
ECC99 push-pull build with JCM800 preamp - the JCM Eight Hundredths - Music Electronics Forum
ECC99 push-pull build with JCM800 preamp - the JCM Eight Hundredths - Music Electronics Forum
JJ Electronic - ECC99
