Very knowledgeable. https://dougstubes.com/
For an integrated Mcintosh MA-352 amp, CHOICE OF TUBES
I recently acquired an integrated Mcintosh MA-352 amp with stock 2 AX7 TUBES as well as 2 AT7 TUBES in the preamplifier section. I would like to improve the performance of the amp by changing the tubes to either Mullard, Tungsol, RCA or Valvo.
Do you have any suggestions to go in the direction of sweetness and musicality?
Thank you all.