Ashly MX-406 Посібник з експлуатації - Сторінка 8

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Також для Ashly MX-406: Посібник з експлуатації (12 сторінок), Технічні примітки та специфікації (2 сторінок), Посібник з експлуатації (12 сторінок), Посібник з експлуатації (16 сторінок)

Operating Manual -MX-406 Stereo Microphone/Line Mixer

(Mono Output, cont.)

Note: The mono transformer-balanced output is designed to drive up to +24dBu into 600 ohm loads. Because of the

nature of an output transformer, the output level increases as the impedance of the terminating load becomes higher than 600

ohms. Whereas a "direct-coupled" output stage like that of the right and left outputs will not change as the load changes, any

transformer used in an audio path is affected by its termination impedance. Since line level inputs on audio devices are typi-

cally 10KΩ or higher, expect a slight increase (2.5dB) in output level when driving conventional active 10KΩ inputs with the

transformer outputs.

6.9 Stereo Outputs

The 1/4" jack stereo right and left outputs are controlled by the left and right master . They are pseudo-balanced TRS

jacks with a nominal operating level of +4dBu into any load, and are capable of driving long lines .

6.10 +48V Phantom Power Switch

This switch applies +48VDC to all six XLR mic inputs to power condenser microphones . Phantom power will not

affect most dynamic mics, which may be used along with condenser mics .

7. TYPICAL

APPLICATIONS:

7.1 Small Sound Reinforcement System:

In the setup shown here, the MX-406 is used

to mix typical sound sources that might be

found in a church, small club, school theater

or similar environment . Four of the input

channels are used for vocal microphones,

while the remaining two channels are used

for stereo accompaniment tracks . The stereo

line input is used for additional pre-recorded

music such as that of a movie soundtrack, CD

player, or MP3 player . Stereo line output

RCA jacks are used to record the event to

a cassette, video camera, or even a PC with

recording capabilities .

Stage monitors are fed using the aux mix

to the master aux output, and left and right

outputs drive the main speakers . The mono

output drives a 70 Volt distributed sound

system amplifier, used for plenum (ceiling)

speaker installations .