770 R-Player Roberts Electronics Inc.; Los Angeles CA, build 1964

770X R-Player Roberts Electronics Inc.; Los Angeles CA, build 1965

Reel to Reel Tape Recorder Manufacturers - Roberts Recorders

770X R-Player Roberts Electronics Inc.; Los Angeles CA, build 1965

Reel to Reel Tape Recorder Manufacturers - Ampex Electric and

Roberts Recorder Model 770

Reel to Reel Tape Recorder Manufacturers - Roberts Recorders

Roberts 770X Reel to Reel – Marrs Audio

Vintage Roberts 770X Reel To Reel Tape Player With Original Manual

Roberts Recorder Model 770

Reel to Reel Tape Recorder Manufacturers - Roberts Recorders