Country of Manufacture:USA
Release dates:1969 - 1972
Original Price: $$199.9
Speeds: 7 1/2, 3 3/4, 1 7/8
Max Reel Size("): 7"
Number of heads: 4
Head Composition: Permalloy
Head Configuration: Stereo
Frequency Response:(all 3 dB): 7½ ips: 30Hz -22kHz
Wow and Flutter:less than 0.15% at 7½ ips, less than 0.2% at 3¾ ips
Sound quality rating:5 / 10
Long-term reliability rating: 5 / 10
“COMPUTOR-MATIC” this was an auto-reverse tape deck with
dual capstan and dual motor drive. It could play in one direction
and then reverse (playing side two) at the touch of a switch or auto-reverse
at the end of a side via means of a metal foil on the tape.
The RK-920 was the deck version of the RK-960 and was a quarter-track stereo machine with three
speeds and four heads. Other features included vertical or horizontal operation, feather-touch solenoid operated controls, sound on sound and
sound with sound.
A wide range of inputs were provided including microphone or magnetic
pick-up, auxiliary mic and auxiliary magnetic pickup. Outputs were provided
for stereo headphones, extension speakers and auxiliary.
This deck was priced at $199.95 and available only from Lafayette Radio stores or mail order A full recorder version complete with amplifiers and speakers (RK-960) was available for $299.95
Crosstalk: better than 58dB / Signal to noise ratio: 50dB or better / Total harmonic distortion: less than 1.5% / Bias frequency: 96kHz / Semi-conductors: 14 transistors, 27 diodes / Inputs: microphone 10k , auxiliary 500K / Outputs: external amplifier 3k, headphones / Dimensions: 17 x 15½ x 8¼ ” (432 x 394 x 209.5 mm) / quarter-track stereo