Description: Unscrew the Front of an old Vinyl-Player (in this case a Dual HS37).
Unscrew the single knobs (for volume, panning, etc.)
Drill Holes in the middle of the knobs.
Screw Grundtal Hangers on the knobs (you will need flat washers for that).
Screw the front with the Grundtal Hangers on the wall.