Unimind wrote:
One thing I read is that it is hard to find matched pairs of 6CM6s and they seem to have a varying range of transconductance even from the same brand. I found a matched pair of NOS Sylvania 6CM6s for $13. The guy had 2 more pairs that I might get just to have on hand.
Actually slightly mismatched tube pairs will sound fuller and richer, with more even harmonic content.
b0b0 wrote:
Here's what my datasheets say:
6cm6
315v max plate
285v max grid 2
12w max plate dissipation
6v6
350v max plate
315v max grid 2
14w max plate dissipation
The reason I'm curious how 6v6's and 6cm6's A-B is I'd like to see if there IS any tonal benefit/penalty/difference in using 6cm6's in place of 6v6's.
And the data sheets say that max anode voltage for EL84s is 300V! So basically, you can pretty much ignore the max voltage figures (within reason), as long as you keep dissipation under control. Since 6CM6s have been squeezed into a smaller physical form factor than regular 6V6s, they don't sound quite the same as 6V6s. Their tone is like something in between an EL84 and a 6V6. A lot of folks rave about them.
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