Category:Mid High Fidelity
Country of Manufacture:USA
Release dates:1964 - 1967
Speeds: 3 3/4, 7 1/2
Max Reel Size("): 7"
Number of heads: 2
Head Composition: Permalloy
Head Configuration: Mono - Full Track
Frequency Response:(all 3 dB): 7½ ips: 40Hz - 18kHz
Wow and Flutter:0.3%
Signal-to-Noise Ratio:48 dB
Sound quality rating:5 / 10
Long-term reliability rating: 5/ 10
The 1980 was a quarter-track stereo recorder with two internal speakers
and 11 watts (music power) per channel amplifiers.
Construction resembled the classic Akai “M” series with the
deck vertically mounted above two record/replay amplifiers.
A single motor was used for transport functions and the recorder had
two heads which could be switched between half and quarter-track operation.
Other features included sound-with-sound, public address function, digital
tape counter, provision for remote foot pedal control and auto shut-off.
Crosstalk: 50 dB / Rewind speed: two minutes 12 seconds for 1200ft / Valve complement: each channel has 6EU7 (preamp), 6EU7 (driver), 7591 (output) plus one 6C4 (oscillator) / Audio output power: 11 watts music power, 5 watts continuous per channel / Inputs: low level: 2 mV / 10 megohm. high level: 1 V / 1 megohm / Outputs: external speakers, pre-amp (0.5 V to 1.5 V) / Speaker(s): two internal speakers / Weight: over 40 lbs (18.2 kg) / quarter-track stereo