Alesis 12 FireWire, 16 FireWire, 12, 16 Specifications, Input Channels, Equalization, Aux Sends

8Specifications

For the more technical-minded, here are some detailed specifications for the MultiMix’s operating levels.

Input Channels	-60dBu to –10dBu nominal, +5dBu
Mic In Sensitivity Range:
Line In Sensitivity Range:	maximum
	-40dBu to -+10dBu nominal,
Mic/Line Gain Range:	+25dBu maximum
	+10 to +60dB
Equalization	75Hz, 18dB/octave
High-Pass Filter:
High Shelving:	12kHz,	+/- 15dB
Mid Bandpass/Band Reject:	2.5 kHz, +/- 15dB
Low Shelving:	80Hz,	+/- 15dB

Aux Sends

Aux Send A & B Gain Range: -∞ to +10dB

Aux Returns	-∞ to +15dB
Aux Return A Gain Range:
Effects Level/	-∞ to +15dB
Aux Return B Gain Range:
Channel Levels	-∞ to +10dB
Channel Level Gain Range:
Master Levels
Main Mix, Ctrl Room Gain	-∞ to +10dB
Range:
1/4” Inputs	+4dBu nominal, +20dBu maximum
Stereo Aux Return Level:
RCA Inputs	-10dBV nominal, +5dBV maximum
2-TRACK IN Level:
1/4” Outputs
Main Mix, Ctrl Room,
Aux 3/4, Ext Aux	+4dBu nominal, +20dBu maximum
Send Level:
Headphone Output:	75 ohm output impedance
	>105mW into 75 ohms, >40mW
	into 600ohms
RCA Outputs	-10dBV nominal, +5dBV maximum
2-TRACK OUT Level:
S/PDIF and Firewire digital outputs
Bit depth:	24 bit
Sample rate:	44.1kHz, 48kHz (switchable in
	software)

All measurements done over a 22Hz – 22kHz range with a 1kHz sine wave at +18dBu (-1dBFS) input. Impedances are measured at 1kHz.

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