The main difference to the MKI is that the B77 MKII is equipped with a built-in tone motor control (Vari-Speed Control) and revised audio and drive
B77 MKII Tape Recorder
Tape machine Revox B77 MKII / B 77 MK 2, very good condition
Revox B77MKII tape recorder, black, good condition, hobbyist
Revox B77 Mk. II high speed half-track, recapped w. pause module
PLEASE READ!! Revox B-77 MK II 1/4” 10.5 inch 2-Track Half Track
Revox B77 MK II vs Revox PR99 - AudioReview
superbe magnétophone à bandes revox b77 mk2 en version high speed
Vintage Studer/Revox open reel tape recorder. High quality swiss-engineered 1/4 tape deck. 7.5ips and 15ips speed options., Left VU bulb requires
Revox B 77 Mk II
Revox, B-77 MK II HighSpeed 2-Track, NEW! for sale.
Revox B77 Mk. II high speed half-track, recapped w. pause module
Revox B77 MK II Yellow Limited Edition and Yello Master Tape
EDIT: the varispeed control has been kind of hit and miss… so I’m lowering the price a bit, Everything else still seems to work well , Revox B 77 MK
Revox B 77 MK II - Gray b77 mkII