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In Reply to: RE: BEL ECC83 are good tubes - try 'em! posted by Brandtacious on February 01, 2023 at 18:56:09
but still worth trying the Phillips (assuming they test strong and are matched), you never know? The price is right.
You ecc83 (Tesla, Amperex, Mullard) are all slightly warm through the mids (in an good way) but there are more linear tubes out there (Telefunken, Siemens) as I'm sure you're aware. It's all personal taste. My system uses 3 pairs of 12ax7 (2 in the phono and 1 pair as input tubes in my amp) which allows me to mix and match. I have found Telefunken (a tube I never cared for in my amp) to be unrivalled in the first gain stage of the phono and it took me a year of rolling to try it out. Have never been able to keep any Mullard ecc83 in my system for longer than a week before taking it out, just too warm in the middle which to me veils midrange detail but beautiful sounding no doubt. Personal preference again. Quite often use top 1950s US made 5751s in the input stage in my amp. Enjoy!
Edits: 02/02/23Follow Ups:
PS Mendel - yesterday, I rummaged through my stash again and found a pair of the early KenRad 12ax7 you mentioned - with the long darkish-pewtery looking plates. I put them back in the stash for now, but when these Amperex are ready for retirement or give up the ghost, I'll try them in this 300b amp, too...- May as well see (hear) what this Chinese rig sounds like completely tubed with American tubes!
Thanks again, Mendel!
Hi again Mendel, and thanks once more! You're right, can't beat the price, and who knows, maybe they'll be a magic tube in this rig!
RE: the more linear tubes, I like the Teles in this amp as preamp tubes, and I agree that in my amps the Teles do well as the first tube in the audio path! The mC Amperex's that I use now (and for which I bought replacements at way too high price) just give me the deep holographic technicolor audio cloud that [some's] audio dreams are made of...-
I got my Sentry 4B speakers 15 years or so out of the old downtown theater in Altus, OK, and sort of pieced together parts for them (1 had blown both 12" speakers and the wiring in both was in shambles). The old original crossovers are still original. So what? I'm not sure how linear or how well they measure at all compared to what they're supposed to, but I sure love the heck out of them with either 2a3 or 300b rigs powering them!
Anyway, thanks again Mendel - I'll update this post when I try the mystery tubes out as suggested. Might be a little while - I'm listening now to the mC tubes and they're sounding great tonight.
I'm always very happily satisfied by the great feedback I've received on this forum through the years!!!
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