Acoustic system '' 35 AS-212 '' later '' 35 AS-012 '' (Radiotehnika S-90).

Acoustic systems, passive or active, as well as electro-acoustic units, hearing aids, electric megaphones, intercoms ...Passive speaker systemsThe 35AS-212 acoustic system (Radiotehnika S-90) has been produced since the beginning of 1980 by the Radiotekhnika software. Since 1984, according to the new GOST, AS has been referred to as "35AS-012". The speaker is designed for high-quality reproduction of music and speech programs in stationary household conditions. The speakers "35AS-212" are the first in the USSR to meet the world requirements for "Hi-Fi" acoustics. Speaker designations have changed during the production process. The model was initially designated as "35AS-212", and after the replacement of GOST already as "35AS-012". Strengthening external marketing, it was decided to give the speaker the trade name "S-90", where S stands for "system" and 90 stands for power in watts. The range of reproducible sound frequencies is 31.5 ... 20,000 Hz. Frequency response in the range 100 ... 8000 Hz - ± 4 dB. Sensitivity 85 dB. Harmonic distortion of the speaker at a sound pressure level of 90 dB at frequencies: 250 - 1000 Hz: 2%. 1000 - 2000 Hz: 1.5%. 2000 - 6300 Hz: 1%. Resistance 4 ohms. Rated power 35 W. The maximum (passport) power is 90 W. Speaker dimensions - 710x360x285 mm. Weight 23 kg. Weight: 23 kg. Installed speakers: LF: 75GDN-1-4. MF: 20GDS-1-8. HF: 6GDV-6-16.