Levels; Impedance - Alesis Studio 12R Reference Manual

Specifications

Levels

MIC IN
LINE IN
STEREO LINE IN
MAXIMUM GAIN
CHANNEL PEAK LED ON:
METER:
MAIN OUT LEVEL (1/4" phone jacks) (when meter is at 0 VU)
MAIN OUT LEVEL (phono jacks)
MAXIMUM OUTPUT LEVEL
MONITOR OUT LEVEL
INSERT/DIRECT OUT (tip)
INSERT IN (ring)
HEADROOM:

Impedance

MIC IN
LINE IN
OUTPUTS (MAIN, AUX and
MON):
48
-60 dBu to -10 dBu nominal,
maximum level +12 dBu
-40 dBu to +10 dBu nominal,
maximum level +32 dBu
(balanced)
-15 dBu to +15 dBu nominal,
maximum input level +22 dBu
+76 dB, MIC IN to MAIN OUT,
balanced
+80 dB, MIC IN to MONITOR
OUT, balanced or unbalanced
6 dB below channel clipping
Peak type
-24 dB to PK (+18 dB over
reference at MAIN OUT, 6 dB
before output clipping)
+4 dBu (1.24 volts)
into a balanced load
-2 dBu into an unbalanced load
-10 dBV (.316 volts) unbalanced
+22 dBu unbalanced, +28 dBu
balanced (6 dB above "PK"
segment of main meter)
Same as above, but variable
following MONITOR/PHONES
control
Unity gain
Maximum level +22 dBu
23.5 dB above nominal output
50-150 nominal source
impedance (presents 4 k
balanced load impedance)
600 -2 k nominal
(>20 k load impedance)
150 unbalanced,
300 balanced
1.1 k
at -10dBV MAIN OUTS
Studio 12R Reference Manual