Which Amplifier is the best Audiolab 8000A, Nad 3020, A&R Cambridge A60 Review . Vintage Stereo HiFi

What one of these 3 award winning amplifiers from late 70's to early 80's
Any of these 3 amplifiers will be a good choice in setting up a HiFi system or set up for yourself amd The NAD 3020 , A&R Cambridge A60 and the Audiolab 8000A had somewhat of a cult following in their day.
The best 19 stereo amplifiers of What Hi-Fi?'s lifetime, https://www.google.com/search?q=what+hi-fi+19+best+amplifiers&oq=&aqs=chrome.0.69i59i450l8.16472493823j0j15&sourceid=chrome&ie=UTF-8

A big thanks to Michael and he's YouTube channel "raceingdemon6464"
for the donation of the A&R A60 Amplifier and making this comparison possible. link here to he''s channel https://www.youtube.com/user/raceingdemon6464

Also head over to Kevin's Ditton Works channel for a further review of the NAD 3020 Amplifier here https://www.youtube.com/channel/UCaZXNv-Z3Q4QSqk82uiZk2Q

Видео Which Amplifier is the best Audiolab 8000A, Nad 3020, A&R Cambridge A60 Review . Vintage Stereo HiFi канала Michael Yates