Tubes for BAT VK60. Need help



I’m now looking to retube a BAT VK60. I know very little about the tubes in it or which ones are most important to address first... or at all.

Any VK 60 owners with re-tubeing experiences out there?

I surely would appreciate some input on what you wound up with and why...?

Thanks so very much for the time and efforts here, as I'm lost now.
blindjim
Dgarretson
As all the tubes I'm getting are or will be NIB/NOS, MF likely won't be an issue. I've used Herbies halo rings in the past and found they do affect the sound and imaging. For the better once set rightly.

I got the names mixed up, but got in touch with PCX. $35 ea. $10 ex for matched Quad. ordered a set of 4. $30 for next day air.

OK... 6c33c-b side is done... now the bigger $$$ aspect. Eight 6SN7's.
BTW I've found that when retubing 6C33Cs the occasional new output tube fails to bias up. This is usually remedied by swapping output tubes around. I've become superstitious since the time I had two output tubes on one channel arc out simultaneously during first time start-up. Since then I replace output tubes one at a time and turn up the unit for a couple of minutes before powering down and moving to the next tube. BAT recommended to me that output tubes should be discarded after two arcs-- and power output is reduced each time a tube arcs. Apparently the default operation mode of these tubes after arcing was engineered for those MIGs...
Jim,

I'm a little late to the party, but in the future, you may want to consider ATSI for a matched & tested set of 6C33C-Bs. I bought my last quad there and have had really good luck (they have increased in price, though.) I believe he's the only game in town if you want matched tubes AND a 90 day guarantee.

I'll also second Andy at VTS. He's very knowledgable about the VK60 and which tube will get you what you are looking for.
I'll 2nd ATSI. I've bought 2 sets of 6C33b's from ATSI. Have initial failures both times, and got a prompt replacement. Great service.