Category:Mid High Fidelity
Country of Manufacture:Germany
Release dates:1966 - 1969
Speeds: 3 3/4, 7 1/2
Max Reel Size("): 7"
Number of heads: 4
Head Composition: Permalloy
Head Configuration: Mono - Full Track
Frequency Response:(all ± 3 dB): 7½ ips: 50Hz - 15kHz
Wow and Flutter:less than 0.2% at 7½ ips
Sound quality rating:5 / 10
Long-term reliability rating: 5/ 10
rather “imposing” machine possibly represented the pinnacle
of National’s (Panasonic in the USA) development of the pre “Technics’
reel to reel tape recorder.
A four-track stereo machine it boasted three
motors, four laminated heads, full auto-reverse and a fully solid state
construction with 36 transistors and 12 diodes.
The large, self-powered MFB speakers pumped
out a total of 40 watts.
Semi-conductors: 36 transistors and 12 diodes / Audio output power: 20 watts per channel (externally powered speaker units) / Speaker(s): two externally powered speaker units / quarter-track stereo