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2 REALISTIC Optimus 10 Brilliance Contour Loud Speakers - $75 (Marion)
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They feature a 3.25" tweeter, an 8" woofer with a 1 pound magnet, and a 10" passive radiator. It could handle 75 watts RMS with a frequency response of 42-20K, +/- 3dB.
You get a pair of large display speakers encased in a beautiful wooden enclosure which include a a BRILLIANCE control to match the levels at the two ends of the spectrum. A 10" passive radiator is rated to extend the bass down to 45 Hz. Both screw terminals and an RCA phono jack are provided to make connection to the system on the rare control panel.
Realistic Optimus 10 Loudspeaker System Specifications:
Average omni-directional output, 250Hz-6kHz
86 dB SPL for 0 dBW (1W) input
Continuous on axis output at 300 Hz
112 dB SPL for 20 dBW (100W)
input
Pulsed output at 300 Hz
125 dB SPL for 33 dBW (2,000W)
peak
"Nominal" impedance 5.8 ohms at 190 Hz
Approximate BRILLIANCE control range
+3. -2 dB above 3 kHz