Category:Mid High Fidelity (most Japanese recorders fall into this category)
Country of Manufacture:
Release dates:1964 - 1967
Speeds: 1 7/8, 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: 60Hz - 15kHz
Wow and Flutter:0.15% at 7½ ips, 0.25% at 3¾ ips and 0.35% at 1 ips
Sound quality rating:5 / 10
Long-term reliability rating: 5 / 10
A four-track mono recorder
with up to 7″ spool capacity.
Other features included inputs for microphone, radio and gramophone with
mixing and monitoring facilities. super imposition. stereo playback. separate
bass and treble controls. recording level meter and a rugged case finished
in two-tone grey leather-cloth.
The tape deck employed the new BSR 3-speed unit (1,
3¾ and 7½ ips) which offered three controls.
Erase damping: 70dB down at 1 kHz / Bias frequency: 50kHz / Valve complement: EF 86, ECC 83, EL 84, ECL 86 and one AC107 transistor / Rewind speed: 3½ minutes for 1200ft / Audio output power: 5 watts / Inputs: microphone: 2mV. radio / gram: 60mV / Outputs: stereo output: 2mV at 1kHz / Speaker(s): 9″ x 5″ high-flux permanent magnet / Dimensions: 19½ x 16½ x 8″ (495 x 413 x 203mm) / Weight: 28 lbs (12.7 kg) / quarter-track mono