Changing Tubes

Looking to change the Electro Harmonix 6922 tubes in my Aesthetix Pallene preamp

What would you replace them with

tomstruck04-13-2022 11:01pm

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geof3 Details Discussions Posts This discussion Message User 1,129 posts 04-14-2022 at 05:28am Copy Comment URL Report Comment Edit Delete Tube rookie here, what is it when a tube goes “microphonic”?
petg60 Details Discussions Posts This discussion Message User 1,486 posts 04-14-2022 at 10:34am Copy Comment URL Report Comment Edit Delete When a tube is upset mechanically by external vibrations and those are passed into signal. Due to construction most signal tubes are inherently microphonic but their location on a board can expose this phenomenon further. Effects are feedback, ringing, hiss, rattle noises, static noises, distortion, high pitch noise, anomalies in frequency's response.
petg60 Details Discussions Posts This discussion Message User 1,486 posts 04-14-2022 at 10:55am Copy Comment URL Report Comment Edit Delete More air and bigger soundstage if possible bigger soundstage = siemens, voskhods, reflektor More air = amperex, raytheon, french made 88, tesla, telefunken Above are only my general observations and as i am not familiar with your preamp you may find something that fits your requirements better.
pesky_wabbit Details Discussions Posts This discussion Message User 1,183 posts 04-14-2022 at 11:03am Copy Comment URL Report Comment Edit Delete can't go past Telefunken PCC88
immatthewj Details Discussions Posts This discussion 3,300 posts 04-14-2022 at 03:16pm Copy Comment URL Report Comment Edit Delete Does anyone have impressions to share of the '70s/'80s Toshiba 6DJ8?

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