Alesis 12R manual Specifications, Frequency Response, Connectors

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Specifications

SPECIFICATIONS

All measurements taken with an Audio Precision System One. All noise measurements taken with trim at minimum and faders at unity gain with 22 Hz to 22 kHz bandwidth unless otherwise specified. All In & Out measurements made on balanced +4 dBu connectors. (+4 dBu into a line input with faders at unity and the meter reading “0” will yield +4 dBu into a balanced load or -2 dBu into an unbalanced load.)

Frequency Response

10 Hz – 65 kHz +0/-1 dB

(any input to any output at

 

nominal operating levels)

-3dB Point:

125 kHz

Connectors

MIC IN jacks:

LINE IN jacks:

INSERT jacks:

STEREO LINE IN and

STEREO AUX RETURN jacks:

MAIN OUT BALANCED,

MONITOR OUT, and

AUX SEND jacks:

MAIN OUT -10 dBV jacks:

TAPE IN jacks:

Female XLR

(Pin 1 ground, Pin 2 +, Pin 3 -)

Female 1/4" 3-conductor phone (Tip = +, ring = -, sleeve = ground)

Female 1/4" 3-conductor phone (Tip = send, ring = return, sleeve = ground)

Inserting plug to first "click" allows direct output without breaking normal signal flow

Female 1/4" 3-conductor x 2

Female 1/4" 3-conductor phone (Tip = +, ring = -, sleeve = ground)

Female phono ("RCA") jacks Female phono ("RCA") jacks

Multimix 12R Reference Manual

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Contents Reference Manual Page Important Safety Instructions Page Page Page Page Page CE Declaration Of Conformity Front Panel Table of Contents Dimensional Drawing ApplicationsAlesis Multimix 12R Microphone Preamplifier/Mixer Using this manualIntroduction ConventionsGrounding Instructions Installation AC powerUnpacking Use clean power Power switchMounting Connections InputsCable common sense Microphone Inputs Phantom power Line-level devices synthesizers, CD players, video Phantom Power will not be Used Tape in jacks Phonograph turntables How to connect effect devices and signal processors Effects via Aux Send and Aux ReturnAbout stereo effect devices Using Aux 1 as an effects send Connecting an in-line processor Connections To a mono system OutputsTo a stereo PA system or instrument amplifier To a stage monitor foldback systemTo another mixer To a stereo tape recorderTo an Adat multitrack recorder In-line Adat recordingUsing two Multimix 12Rs for more flexibility Connections Phones Monitor OutConnections Operating Instructions Before turning the mixer on, zero out the controlsSetting input trim levels Peak LED methodMetering/Unity Gain method Trim gain ranges Typical Fader and Control LevelsUnity gain points Aux Send levelsProper gain staging of other equipment How to Set Aux Send and Return Levels AUX System Effects Send/ReceivePage Using the meter Output distortionAvoiding noise System noise ground loops, hum, induced noise① to Eliminate HUM if the Above has Failed Page Operating Instructions Applications Multitrack recordingTracking/Overdubbing Mixdown Using the High and LOW EQ controls Monitoring AUX 1 in the Phones jack Troubleshooting Troubleshooting IndexPage Maintenance/Service Exterior cleaningRefer All Servicing to Qualified Technicians Specifications ConnectorsFrequency Response Levels ImpedancePower Noise performance typicalDistortion THD+N Dimensional Drawing Block Diagram Level diagram Index TapeWarranty / Contact Alesis Contact Information