RSL 5.1 Theater Speaker System HT Labs Measures

HT Labs Measures

Satellite Sensitivity: 85 dB from 500 Hz to 2 kHz

Center Sensitivity: 87 dB from 500 Hz to 2 kHz

This graph shows the quasi-anechoic (employing close-miking of all woofers) frequency response of the CG4 satellites (purple trace), Speedwoofer 10 subwoofer (blue trace), and CG24 center channel (green trace). All passive loudspeakers were measured with grilles at a distance of 1 meter with a 2.83-volt input and scaled for display purposes.

The CG4’s listening-window response (a five-point average of axial and +/–15-degree horizontal and vertical responses) measures +2.58/–4.38 decibels from 200 hertz to 10 kilohertz. The –3-dB point is at 106 Hz, and the –6-dB point is at 87 Hz. Impedance reaches a minimum of 7.14 ohms at 263 Hz and a phase angle of –40.09 degrees at 3.3 kHz.

The CG24’s listening-window response measures +3.89/–2.00 dB from 200 Hz to 10 kHz. An average of axial and +/–15-degree horizontal responses measures +4.11/–2.14 dB from 200 Hz to 10 kHz. The –3-dB point is at 94 Hz, and the –6-dB point is at 79 Hz. Impedance reaches a minimum of 4.66 ohms at 230 Hz and a phase angle of –42.52 degrees at 3.4 kHz.

The Speedwoofer 10’s close-miked response, normalized to the level at 80 Hz, indicates that the lower –3-dB point is at 34 Hz and the –6-dB point is at 30 Hz. The upper –3-dB point is at 103 Hz using the LFE input.—MJP

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