When I swapped the stock 12AX7's in my preamp for Gold Lions, I would say the new tubes did sound slightly better after around 100 hours of use, but the difference was barely noticeable. By "better", I'd say that acoustic sounds were very slightly "smoother".
Does a tube need the break-in hours?
Most probably not, but not sure why :)
Does anybody know a good substitution for 12AT7WA tubes? I have bought 8 of them about 10
years ago for Manley Stingray. Now, when I need a replacement, none of them are good
(ones are labeled by Manley others are Philipps).
(An almost 20 years old Stingrey remains in a good shape.)
Does anybody know a good substitution for 12AT7WA tubes? I have bought 8 of them about 10
years ago for Manley Stingray. Now, when I need a replacement, none of them are good
(ones are labeled by Manley others are Philipps).
(An almost 20 years old Stingrey remains in a good shape.)