slightly microphonic) 6SN7GT Hytron NOS 1948 (7/8ma)
Blackstar 12AX7WASOVTEK 12AX7 Ultra Low Microphonic Preamp Vacuum Tube | Full Compass Systems
What Is A Microphonic Tube? - YouTube
Noise ad microphonics in vacuum tubes
RCA 1612 NOS Vacuum Tube - Non-Microphonic 6L7 for Broadcast and Recording | eBay
Electro-Harmonix Trio 12AU7 | vivatubes.com
Microphonic Electric Guitar Amp Preamp Tubes - YouTube
Tubesox – Ensembleexperience
Testing amp for microphonic tube but all or most of them appear to be microphonic : r/guitars
Recording Tips 02: Microphonic Vacuum Tubes (part 1) | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.
6533 Raytheon Audio Vacuum Tube Valve - Bangybang
slightly microphonic) 12BH7 GE Zenith NOS "U" getter 1953 (10.0/10.6ma) - Tube World Express | Zenith, Good ma, Grey plates
JJ 12AT7/ECC81 Preamp Tube - StewMac
JJ Electronic 12AY7 Low Microphonic Vacuum Tube – Chicago Music Exchange