Country of Manufacture:United Kingdom
Speeds: 1 7/8, 3 3/4, 7 1/2
Max Reel Size("): 3"
Number of heads: 3
Head Composition: Permalloy
Head Configuration: Stereo
# Motors: 3
Frequency Response:(all 2 dB): 7½ ips: 30Hz - 17kHz
Wow and Flutter:(better than) 0.1% at 7½ ips, 0.15% at 3¾ ips and 0.25% at 1 ips
Sound quality rating:5 / 10
Long-term reliability rating: 5 / 10
Using the tried and tested transport mechanism from the series 90, the series 100 also featured piano key operation, positive lock reel carriers, 4 digit counter, hinged editing panel, input mixing facilities, sound-on-sound, three tape speeds, three motor drive with Papst capstan motor and horizontal
operation. Like the series 90 the series 100 came in PD (deck-only) and R versions (with built in amplifiers and speakers.
Pictured at left is the R104, a quarter-track mono recorder. Stereo units were available (PD 102-half-track) and PD 104 (quarter-track).
Noise level: -50dB / Fast wind speed: 60 seconds for 1200ft / Inputs: microphone: 1mV at 2Mohm, radio / gram 150mV at 500Kohm / Outputs: high imp. line 1.0V at 47Kohm, ext. speaker 3 & 15 ohms at 4 watts / Bias frequency: 90kHz / Dimensions: 16 x 16½ x 8″ (406 x 419 x 203 mm) / Weight: 28 lbs 11.4 kg) / quarter-track stereo