Acoustic system `` Amfiton 25AS-131 ''.
Acoustic systems, passive or active, as well as electro-acoustic units, hearing aids, electric megaphones, intercoms ...Passive speaker systemsAcoustic system "Amfiton 25AS-131" from I-quarter 1986 produced the Carpathian Radio Plant. The speaker is designed for high-quality reproduction of music or speech programs in stationary conditions. The preferred installation option is a shelf. The range of reproducible frequencies is 40 ... 25000 Hz. Rated power 25 W. Uneven frequency response 8 ... 12 dB. Resistance 4 ohms. Maximum noise power 50 W. Speaker dimensions - 300x520x230 mm. Weight 14.2 kg. In the AU, 50GDN-3 is used as a bass head, MF and HF - 25GDV-1-8. The heads are framed with decorative overlays: the overlay of the bass head is rectangular, MF and HF also, but the middle part has a special shape that improves the frequency response of the sound pressure in the HF region. The internal volume of the speaker is 25 dm3. To reduce the effect on the frequency response and sound quality of resonances, the internal volume of the case is filled with a sound absorber made of technical cotton wool. Electrical filters are installed inside the speaker cabinet, which provide separation of bands at a frequency of 3 kHz, while a frequency response drop of 6 dB per octave is created.
