Country of Manufacture:United Kingdom
Speeds: 1 7/8, 3 3/4, 7 1/2
Max Reel Size("): 7"
Number of heads: 3
Head Composition: Permalloy
Head Configuration: Stereo - Stacked
# Motors: 3
Frequency Response:(all 3 dB): 7½ ips: 40Hz - 17kHz
Wow and Flutter:(better than) 0.1% at 7½ ips, 0.15% at 3¾ ips and 0.25% at 1 ips
Signal-to-Noise Ratio:better than 50dB
Sound quality rating:5 / 10
Long-term reliability rating: 5 / 10
Truvox was one of the first British firms to produce domestic recorders in the early days following the Second World War.
The 1964 series 90 covered a full range of recorders and decks including quarter and half-track machines, both monophonic and stereo. Pictured here is the R92 half-track mono recorder.
Common features to all series 90 machines were: piano key operation, a cathode follower output, recording level meter, positive lock reel carriers, 4 digit counter, hinged editing panel, input mixing facilities, sound-on-sound, 3 tape speeds, three motor drive with Papst capstan motor, horizontal operation and forward-facing Rola-Celestion loudspeaker (R92 &