Country of Manufacture:Norway
Speeds: 3 3/4
Max Reel Size("): 7"
Number of heads: 2
Head Composition: Permalloy
Head Configuration: Mono - Full Track
Wow and Flutter:0.2%
Sound quality rating:5 / 10
Long-term reliability rating: 5 / 10
The following information has been supplied by Danish collector Flemming Sorensen who owns (at last count) three of these machines.
The Tandberg 1021 was specially designed for language laboratory use. Typically, these laboratories consisted of about twenty tape recorders – one for each student – and a large control panel where the teacher sat.
Looking at the picture at top right, the controls are (from left to right ): volume – record/play.
two headphone jacks (black). mike jack (white) call button. record indicator. pause button and the Tandberg standard joystick selector for play and wind. The lever between the reels is a track selector for playback student/master or student+master.
Speed tolerance: 2% / Inputs / Outputs: mike (jack), multi-pin control panel connector, student line out, headphone (jack), master line-out and student+master line-out (3 phono plugs) at the back. / Power requirements: 220 V AC (for the motor), 27 V DC (for the electronics), 25 V DC (for the start / stop solenoid) / Dimensions: 15 x 6¾ x 11¾ inches (381 x 171 x 298 mm) / half-track mono