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The three-way speaker system "AC 40-8" was bundled with the Victoria 001 radio and was produced since 1972 by the Riga Radio Plant named after A. Popov. Since 1973, the AC has been referred to as "8AC-2." Both speakers are identical. Type of speaker design: "closed box". The total electrical resistance at 1 kHz is 8 ohms. Average standard sound pressure 0.2 Pa. Nominal frequency range 40 ... 16000 Hz, with unevenness 16 dB. Speakers: 8GD-1 (LF) 8 Ohms, frequency range 40 ... 1000 Hz (main resonance frequency 25 Hz), 4GD-6 (MF), 8 Ohms, frequency range 200 ... 5000 Hz (main resonance frequency 160 Hz). ZGD-2 (HF), 16 Ohms, frequency range 5000 ... 16000 Hz (main resonance frequency 4500 Hz). Dimensions of one case 675x350x270 mm. The volume of the box is 49.5 liters.