BAT VK-P10SE Owners -- What NOS tubes?

Hi, I have the super pak p10se. I also have the same 7308's then (had) rca 6sn7's and the orginal 6c45's.

I've ran these tubes for about 4 years. The 7308's were a nice step up over the stock RAM 6922's for me. Mostly in the noise floor area which allowed details etc to pop out.

I just replaced the 4 yr old rca 6sn7's with 6h8c's from Upscale Audio. About $30 each for the 2. Wow. Surprised me, guessing the RCA's were really worn out, but (after biasing) the 6h8c's really had a dynamic jump, image layering, and side to side movement improvement. Best $60. I think next i'll order a set of cryoed 6c45's, then move to the 6922 input tubes. I'll keep you posted.

FYI, if you are not using a XLR tonearm cable, I'd suggest it with this phono stage. Also, do you have the super pak update? It's a big step up as well.

Good luck !

Thanks for the response. I will try the 6h8cs. However, I thought that you only had to bias the 6922s. Do you have to rebias when you replace the 6sn7s as well?

Hi, when I put those 6h8c's in, yes, had to rebias it.

Would you show me how to rebias my VK-p10se after I change the four 6922 tubes? I have the owner's manual but I could not find the two metal contact test pins. Please help!

Thank you very much,
Minh