Radio designer `` Delta SDP-2 ''.
Radio and electrical constructors, sets.Magnetic recording and playbackThe radio designer "Delta SDP-2" has been produced since 1989 by the Berdyansk plant "Priliv". The radio designer allows you to equip a reel-to-reel or cassette tape recorder with a dynamic adaptive bias system, which expands the recording and playback band by 2 ... 3 KHz towards high frequencies and reduces nonlinear distortions by 1%. More detailed description with diagrams in
