Only you can decide how much you want to spend on an item.
If you want it done properly for years of good use, try us, but don't expect it to be a cheap job & complex amps need a lot more work.
To read the Intro first therefore then to make sense of the huge amount of sections covering all aspects of How We Upgrade. We have the skill to Upgrade amps with Design Knowledge to get the best out of them.
Post 1995 Hifi That Is Generally Made To Be Disposable... You can see we are into the Valve to 1980 era mostly, this is our interest & knowlege as the site reveals.
In Hifi & VCRs etc from the late 1970s on, once the numbers etc display fades, it's finished as emission has gone.