celo
I remember back then Stereophile loved this amp, so much just about everyone reviewed it
Reviewed by Sam Tellig in 1985 again Gordon Holt in 1989 and again by John Atkinson in 1990 by Stereophile
https://www.stereophile.com/content/bk-st-140-power-amplifier-sam-tellig-1985
https://www.stereophile.com/solidpoweramps/675/index.html
https://www.stereophile.com/content/bk-st-140-power-amplifier-john-atkinson-1990
Cheers George