In Reply to: PCC 88 tube question.. posted by EspenR on April 08, 2003 at 17:10:47:
It's not a brand; what really matters is who actually manufactured the tube and when. Even popular Siemens tubes came from the Eastern Bloc in the late 70's and the 80's. There are ways to identify the tube's country of origin by closely examining alphanumeric factory/date codes, internal structures, glass shapes, etc. Just search this site for more information on this subject. Good luck!!!
PCC88s are cheap and plentiful; try entering "radio tubes" as a search target for google (don't mess w/ any other engines; if you are using a diff. engine start by searching google then go from there)and you will be amazed. I have bought NOS/NIB early 1960s PCC88s in genuine Mullard boxes, perfect logos on the tubes, never used, museum quality, for $5-$10. Get only Mullard, REAL Telefunken and Dutch Amperex made pre 1970. Siemens et al are nice, but if you get a stash of good examples of these three you will have every "shade" of PCC88 sound. Don't pay more than $10. These tubes are SO SO common; my average cost is $6.50 or so. These sell so cheaply that if you start going on about factories, date codes, etc etc the vendor will blow you off and say he doesn't have any. Get 20 or so, weed out the duds,and the 12-14 remaining will cost less than $200 (with the duds cost factored in) and last a lunchtime. I mean lifetime.
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