Category:Mid High Fidelity
Country of Manufacture:Germany
Release dates:1971 - 1975
Speeds: 3 3/4
Max Reel Size("): 7"
Number of heads: 2
Head Composition: Permalloy
Head Configuration: Stereo
Frequency Response:( 3dB): 40Hz - 12kHz
Wow and Flutter:0.2%
Sound quality rating:4 / 10
Long-term reliability rating: 5 / 10
solid state, twin-track mono machine, the TK 121 was the lowest priced
recorder in the Grundig range of 1971-72. Next up was its identical 4-track
brother, the TK 141.
Four watts of output drove a 7¾ x 4 inch
internal speaker, maximum spool size was 5¾ ” and the recorder
had a single operating speed of 3¾ ips. An illuminated moving coil
VU meter indicated recording level.
Three slider controls were provided for playback
volume, tone and record level while a large single selector lever operated
all transport functions with an illuminated panel to indicate each function.
Semi-conductors: 10 transistors, 3 diodes / Audio output power: 4 watts into 4 ohms / Inputs: microphone: 1mV / 100K-ohm radio / gram: 40mV / 500K-ohm radio / diode: 1mV / 50K-ohm / Outputs: line: 500mV / 27 kohm / Speaker(s): internal 7¼ x 4″ elliptical / Dimensions: 15½ ” x 6¼ ” x 11½ ” (394 x 159 x 292mm) / Weight: 17½ lb (7.95 kg) / half-track mono (121). quarter-track mono (141)