Fatgh0st ; if you do decide on the Primaluna , you can call Upscale Audio and tell them what you want to change about the sound of the amp ie. tube rolling . They know these amps very well and can both advise you what to do and sell the tubes that will accomplish the change . A nobrainer for phools like me ! So don't feel overwelmed by all of the choices listed here . It's really that easy , just buy what they suggest , take the old tubes out , insert the new tubes , turn the unit on and give the tubes about 10 - 15 hours of operation to settle in . Actually I was able to hear the difference right away . Tube rolling will allow you to get many differing sounds out of one amp ! Much cheaper/easier than changing out SS/chip amps .
And with self/auto biasing it is all just plug n play .
But be careful with which brand of amp that you purchase if you plan to tube roll , especially if you purchase new .
Some manufacturers will void the warranty if you roll 'any' tubes other than what is supplied with the amp as new and some will void the warranty if you use tubes purchased from anyone else than them ! And some require that you buy tubes that are a matched set , an added expense .
You will find two kinds of hobbiests here , tweakers and listeners . Guess which I am ?
Good luck .
And with self/auto biasing it is all just plug n play .
But be careful with which brand of amp that you purchase if you plan to tube roll , especially if you purchase new .
Some manufacturers will void the warranty if you roll 'any' tubes other than what is supplied with the amp as new and some will void the warranty if you use tubes purchased from anyone else than them ! And some require that you buy tubes that are a matched set , an added expense .
You will find two kinds of hobbiests here , tweakers and listeners . Guess which I am ?
Good luck .