Alesis 12R manual Noise performance typical, Distortion THD+N, Power

Specifications

Noise performance (typical)

Measured at MAIN OUT +4 dBu jacks, unbalanced load, 22 Hz to 22 kHz, all channels panned to center.

MIC IN to INSERT OUT:	-128.5 dBu Equivalent Input
	Noise at maximum gain

Residual output noise (MASTER fader at nominal, channel faders at minimum):

<-88 dBu

12 inputs, faders and trims at unity gain, inputs terminated 150Ω: <-85 dBu unbalanced

(+22 dB max unbalanced out =

107 dB dynamic range)

Distortion (THD+N)

Measured with a 0 dBu signal coming into a MIC IN jack with trim set for a +15 dBu output from the insert jack.

At INSERT jack:Better than 0.0010%

At MAIN OUT (+21 dBu balanced output level)

Better than 0.0015%

Power

U.S.A. model:	120 VAC, 60 Hz, 40 watts power
	consumption maximum

Mounting

19" EIA rack mountable, 3 spaces

Multimix 12R Reference Manual 47