Not sure, whether I can properly answer that. I know about interchangeability of certain tube "families", as you can see in my listing. As long, as "electrical values" are the same, I have no problem in using lower gain tubes. That actually would be an advantage, since the line sources I use...

Hi I am using a Triode amp (Unison Triode 20) to drive my Stax earphones. It uses NOS German EL34 tubes in the power stage. These are still in very good shape, but two tubes in the "preamp stage" are defective and need to be replaced. This stage uses a combination of 1x ECC83 and 2x ECC82 - as...

Hi   thanks for your answer. I am not so much worried, that I might cut off high frequencies when "ripping" the SACDs, but more, that this "loud" noise would lead to intermodulations and distortions, that would become audible. Just bear in mind, that indeed we do have out-of-band noise up to...

Hi I tried to digitize a SACD using this very method  to output PCM via HDMI, then feed it to an HDMI->SPDIF adapter and record it from there using professional hard-&software. I was using a professional AD/DA: RME FireFace 800, that can accept SPDIF-signals up to 192k/24bit, and professional...

Mistakedly, I made a double-post, see below...