Resolution Audio Opus 21 - Manual (Page 8)

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The s30 amplifier contains a serial control input which allows your entire Opus 21 family to be operated from an
automated controller. The RS-232 port operates in listen-only mode and is opto-coupled to prevent ground
loops. Programming commands and configuration details are available on our web site.
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If the s30 is driven at high levels for excessive periods of time, the integral thermal protection may trigger, causing
the amplifier to mute the outputs. The display will indicate the temperature of the internal heatsinks. Once the
amplifier has cooled sufficiently, the display will return to normal and the amplifier can then be un-muted.
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Dimensions 24 x 25 x 7.5 cm / 9.5 x 9.8 x 3" W x D x H
Weight 9.5 kgs / 21 lbs. shipping
Power Output 30 Watts continuous into 8 Ohms
Frequency Response +/- 0.1 dB from 20 Hz - 20 kHz
Maximum Gain +26 dB at volume level 99
Attenuation 0.5 dB steps from -30 dB to full scale
1.0 dB steps from -69 dB to -31dB
Inputs Direct connection to Opus 21 sources / cd player
(1 pair) Analog balanced via XLR
(2 pair) Analog single-ended via RCA
Resolution AV
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+1 (415) 643-6971 Ph
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+1 (415) 840-0098 Fax
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www.resolutionaudio.com