So I ordered 8 (4 for my Strategy 400, 4 for my friend's C+) STR-450 NOS Siemens EL34s from Mesa. Yet in the package there were only 7 EL34s and they are all STR-447s !!!
This may be a stupid question, but could Mesa accidentely relabel tubes incorrectly ? I mean, I'm sure this must be a simple...