1980 Realistic CTR-80A with Mods

A very standard cassette recorder from Radio Shack in 1980 that has been modified at one time to add a volume(?) meter and an external jack of unknown properties that connects to the internal electronics. The internal speaker has been removed and the battery compartment is bad.
00:00 Tour of machine
01:10 Playback test #1
02:00 Meter Mod deflection
02:45 Inside electronics/mechanicals and Mod #2
05:17 Recording/Playback Tests
09:00 Conclusion

Видео 1980 Realistic CTR-80A with Mods канала Dan O'Connor