Acoustic Energy Radiance 1 Speaker System HT Labs Measures
Satellite Sensitivity: 85.5 dB from 500 Hz to 2 kHz
This graph shows the quasi-anechoic (employing close-miking of all woofers) frequency response of the Radiance 1 satellite (purple trace) and Radiance Sub subwoofer (blue trace). The passive loudspeaker was measured with its grille at a distance of 1 meter with a 2.83-volt input.
The Radiance 1’s listening-window response (a five-point average of axial and +/–15-degree horizontal and vertical responses) measures +1.42/–1.52 decibels from 200 hertz to 10 kilohertz. An average of axial and +/–15-degree horizontal responses measures +1.53/–1.41 dB from 200 Hz to 10 kHz. The –3-dB point is at 57 Hz, and the –6-dB point is at 44 Hz. Impedance reaches a minimum of 5.58 ohms at 205 Hz and a phase angle of –33.77 degrees at 120 Hz.
The Radiance Sub’s close-miked response, normalized to the level at 80 Hz, indicates that the lower –3-dB point is at 27 Hz and the –6-dB point is at 23 Hz. The upper –3-dB point is at 119 Hz using the AV Subwoofer Line-In connection.—MJP
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