Tesla ANP212 Sonet B3

Quarter-track tape recorder for 9,53 or 4,75 cm/s tape speed. It uses tubes and two transistors. Frequency response up to 14 000 Hz at 9,53 cm/s. The mechanics is based on the Sonet Duo model, but enables 15 cm reel diameter. The electronics provide loud listening to the recorded signal and mixing of two inputs during recording. When an auxiliary preamplifier AZZ941 is connected, stereo playback is possible.