Why is there no love for Prima Luna?
Think I said it once before when I saw this, because this model’s output rings like a bell in the ultrasonic and it’s frequency response into 4ohms a simulated quite easy speaker load is + - 5dB across 20hz-20khz (black trace) indicating a very coloured sounding amplifier .
https://www.stereophile.com/images/1116PLPPfig02.jpg
And here’s the ultra sonic ringing superimposing itself on a 10k square wave,
https://www.stereophile.com/images/1116PLPPfig03.jpg
"almost" looks as bad as a Class-D sawtooth ringing on a test square wave, unfiltered by the test gear. https://ibb.co/p2c64HL
Cheers George