Acoustic system `` 25 AC-202 '' (Sonnet).

Acoustic systems, passive or active, as well as electro-acoustic units, hearing aids, electric megaphones, intercoms ...Passive speaker systemsThe acoustic system "25AS-202" (Sonnet) has been produced since the 1st quarter of 1986 by the Kazan Electrotechnical Plant "Sviyaga". 2-way bookshelf speaker with bass reflex. It was part of the Sonnet-208-stereo electrophone. The range of reproducible frequencies: 63 ... 20,000 Hz. Irregularity of the frequency response of sound pressure in the frequency range 100 ... 8000 Hz: ± 5 dB. Characteristic sensitivity level: 82 dB. Harmonic distortion of the speaker, determined by the total characteristic harmonic coefficient, at an average sound pressure level of 90 dB, at frequencies: 250 - 1000 Hz: 2%. 1000 - 2000 Hz: 2%. 2000 - 6300Hz: 2%. Rated electrical resistance: 4 ohms. Limiting noise (passport) power: 25 W. Recommended amplifier power: 15 ... 25 W. Speakers used: LF / MF: 25GDN-3-4. HF: 6GDV-2-8. Speaker dimensions - 178x155x265 mm. Weight 4.3 kg.