Three-way speaker system `` АС 40-8 '' (8АС-2).
Acoustic systems, passive or active, as well as electro-acoustic units, hearing aids, electric megaphones, intercoms ...Passive speaker systemsThe three-way acoustic system "AC 40-8" was included with the radio "Victoria 001" and was produced since 1972 by the Riga Radio Plant named after A.S. Popov. Since 1973, the AC has been referred to as "8AC-2". Both speakers are identical. AC design type: "closed box". The total electrical resistance at a frequency of 1 kHz is 8 ohms. Average standard sound pressure 0.2 Pa. The nominal frequency range is 40 ... 16000 Hz, with an unevenness of 16 dB. Speakers: 8GD-1 (LF) 8 Ohm, frequency range 40 ... 1000 Hz (main resonance frequency 25 Hz), 4GD-6 (MF), 8 Ohm, frequency range 200 ... 5000 Hz (main resonance frequency 160 Hz). ZGD-2 (HF), 16 Ohm, frequency range 5000 ... 16000 Hz (main resonance frequency 4500 Hz). Dimensions of one body 675x350x270 mm. The volume of the box is 49.5 liters.
