Vintage Revox B-77 Reel to Reel Stereo 4 track Tape Recorder

Description

Vintage Revox B-77 Reel to Reel Stereo 4 track Tape Recorder Mostly Working. Includes original Revox Reels and & original cleaning kit as pictured.
Purchased in Germany, crated to USA in the early 2000s.
Cosmetic condition:
Some slight discoloration/ wear .
Right Record Channel switch broken off, but able to switch off and on as intended.
Power cable was previously cut and spliced to convert from Euro/German to USA standard.
Functionality:
Powers up
Right and Left channel meters are lit and adjust accordingly.
Both Recording channels have been tested and sound registers in the appropriate meters.
Reels move when both rewind and fast forward are pressed.
When pressing play the take up reel moves as intended, but supply reel seems to get hung up.
Was unable to completely test beyond this.
This reel to reel player has been owned by only one individual.
In great overall condition, but unable to guarantee complete functionality due to being unable to complete test, therefor being sold as-is.
Includes everything pictured.