R a d i o s y s t e m s , i n c . M a - 4 m a n u a l p a g e 1 ma-4 four channel mixer amplifier manual.
R a d i o s y s t e m s , i n c . M a - 4 m a n u a l p a g e 2 ma-4 manual 1. Overview the radio systems ma-4 functions to mix 4 stereo balanced audio input signals to one stereo output. Features include variable input stage gain straps, continuously variable mix-bus attenuators, individual channel...
R a d i o s y s t e m s , i n c . M a - 4 m a n u a l p a g e 3 apply a sine wave test signal to any one left input. Connect an ac voltmeter (with audio frequency response) or oscilloscope to the left channel output test point. Set the input’s left channel front panel mix-bus attenuator for an outpu...
R a d i o s y s t e m s , i n c . M a - 4 m a n u a l p a g e 4 using active balanced circuitry balanced lines have been used for many years and are in continuing use today because of their immunity to stray pickup. Induced signals appear on both sides of the balanced line. The receiving end of the ...
R a d i o s y s t e m s , i n c . M a - 4 m a n u a l p a g e 5 specifications distortion thd + n .002% 20hz to 20khz frequency response ± .1db 20hz to 2khz input impedance 20k ohms output impedance 60 ohms input gain jumper selectable 0 to +20db output level +25dbm into 600 ohm load headroom 21db a...
R a d i o s y s t e m s , i n c . M a - 4 m a n u a l p a g e 6 warranty radio systems, inc., warrants this equipment to be free from defects in materials and workmanship for a period of one (1) year. This warranty extends to first users of the product and future owners who purchase the product with...
