Posted 4 years ago
I just found this tonite has switches to turn on, (alarm on/off, operate,calibrate), (sensitivity, quiet, med, high), and (volume, low, med, high). Name plate says
amplifier,audio frequency am-1415/uns-1
Stock no. 1790-050140506 serial no.5550
Part no. 90E1021-501 contract AF 30 (635) -4477
Mfg. By harvey-wells electronics, inc. Southbridge, mass.
Please let me know if you know what this is and maybe even what its worth if you can thank you very much.