Country of Manufacture:Germany
Release dates:1970 - 1974
Speeds: 1 7/8, 3 3/4
Max Reel Size("): 7
Number of heads: 2
Head Composition: Permalloy
Head Configuration: Stereo
# Motors: 3
Frequency Response:(± 3dB): 3¾ ips: 60Hz - 13kHz 1 ips: 60Hz - 8kHz
Wow and Flutter:equal to or less than 0.2% at 3¾ ips and 0.3% at 1 ips
Signal-to-Noise Ratio:equal to or greater than 48dB at 3¾ ips and 45dB at 1 ips
Sound quality rating:5 / 10
Long-term reliability rating: 5/ 10
New for 1970, the M 230 was a quarter-track mono machine (stereo playback was possible via an external amplifier).
A multi-function rotary switch on the head cover (a long-time standard on all 200 series machines since 1968) allowed a
wide variety of recording/playback options including stereo, mono and sound-on-sound.
Push-button controls were provided for stop, play, record, pause, fast forward and fast rewind and the unit featured
a clear perspex cover, Frequency response was a fairly unspectacular 60Hz -13kHz at 3¾ ips with wow & flutter
at equal to or less than 0.2%. This recorder was sold up until 1973.
Audio output power: 3 watts / Inputs: microphone, radio and pickup / Dimensions: 15.6 × 12.2 × 6.3″ (395 × 310 × 160mm) / Weight: 20.9 lbs (9.5 kg) / quarter-track mono