Stereo Mixer - Henry Engineering
Contents
1. pee ie 8 INPUT STEREO LINE MIXER HENRY ENGINEERING 503 Key Vista Drive Sierra Madre CA 91024 Tel 626 355 3656 Fax 626 355 0077 DESCRIPTION Stereo Mixer is an 8 input audio mixer for line level sources It can mix combine up to 4 stereo or 8 mono sources or any combination thereof Balanced inputs are provided for 8 line level sources 4 Left channel and 4 Right channel There are three balanced outputs Left Right and Mono The Mono output is a summation of the Left and Right main outputs Multiple Stereo Mixers can be linked to expand capacity using the Bus Input feature All audio connections are via barrier strip terminals The power supply is internal INSTALLATION Balanced audio sources should be connected to the and input terminals for each channel For use with unbalanced sources connect to the terminal and G ground jumper the terminal to G All inputs are bridging it is not necessary to terminate the inputs unless required by source equipment Connect shields at one end only to prevent ground loops The Left Right and Mono balanced outputs of the Stereo Mixer can be fed to any balanced load of 600 ohms or higher For unbalanced loads connect to the output terminal only DO NOT short the terminal to ground It is not necessary to terminate unused outputs OPERATION Relative audio mix levels are controlled by 8 LEVEL controls 4 for Left inputs 4 for Right inputs Unity gain is achieved with the con2. trols set to their 11 o clock position Up to 10dB of gain is available by setting the level controls fully CW Audio sources fed to the Left inputs will be mixed to the Left output Sources fed to the Right inputs will be mixed to the Right output ALL sources will appear at the Mono output LINKING MULTIPLE UNITS Multiple Stereo Mixer units can be linked to expand input capacity Connect the output of the first Stereo Mixer s output terminals L amp R to the Bus inputs of the second unit The output of the first unit will be mixed with sources fed into the second unit All signals will appear at the output of the second unit Several Stereo Mixers can be linked together in this manner SPECIFICATIONS INPUTS 10 to 8 dBm nom 20K bal or 10K unbal 8x GAIN Off to 10 dB FE Y OUTPUTS 4 dBm nom 24 dBm max 600 ohm balanced 3x FREQ RES DC to 40 kHz 0 25 Db DISTORTN Less than 01 IM THD NOISE 80 dB below nominal output level TDR Over 100 dB me E ENGINEERING 00000 cw cece oe pere EEERREER FERRER Fen a AA Maa A a a a STEREO MIXER HENRY ENGINEERING P N 1600 Rev B
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