Tubes for Conrad-Johnson MV-52


Will be getting a C-J MV-52 in a week or so and was wondering what might be recommendations for the tubes. Should i use EL34's or 6CA7's? Which brand? also need recommendations for the 5751 and 6fq7 tubes. Amp is suppose to fine but once shipped you never know :)
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I always just called C-J and had them send me a replacement set. They put the work into selecting them for the sound they thought the amp should produce. The sound worked for me, till moving up to their Premier 11a's.
i have done that and c-j wanted $361.00 for the full set...and i just want some options from folks who have rolled tubes in their own mv-52..

thanks for the info though!
The Tesla EL-34LS from Penta Labs works very nice.
i have done that and c-j wanted $361.00 for the full set...and i just want some options from folks who have rolled tubes in their own mv-52..

thanks for the info though!
6CA7's, in general, offer rock solid deeper bass, a better tone and a longer life verses EL34's.
any other thoughts?