amplifier blind test

I’ve had two older amps recapped by Peter Williams at Quirk Audio in the past two years. Peter does great work, but now I’m faced with the decision on which amp to keep in my main setup. To help with the comparison over the summer, I’d like to get an amp/source selector switch. Do any of you...

There are requests to record outputs of two different power amplifiers and prepare a listening test with such recorded files. I have decided to answer the challenge again and recorded files from 2 different class AB amplifiers, loaded with real speakers. One of the amplifiers has about 6 times...

AB(x) testing of Power Amplifiers I had to do it. Once again I was convinced that I hear a difference in a sighted test, so I had to prepare a properly level matched A/B test. Two amplifiers, both of 2 x 50W/4ohm rated continuous sine power. conservatively designed class AB, with...

In many online debates, position taken by some that when amplifiers are used that have flat frequency response and low distortion that no double blind tests have shown them to sound different. Well, I managed to dig up a 32 year old test that says otherwise. What is fascinating is that one of...