Ashly MX-406 Manuale operativo - Pagina 8

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Operating Manual -MX-406 Stereo Microphone/Line Mixer

ground, pin 2 is (+), and pin 3 is (-). This signal is determined by the mono output level control, with a nominal operating

level of +4dBu.

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 typically 10K Ω or higher, expect a slight increase (2.5dB) in output level when driving

conventional active 10K Ω 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 accom-

paniment 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.

(Stereo

Line Input)

70 Volt Distributed

Sound System Amp

(Mono

Output)

Model MX-406

Made In USA

Mono

Output

Ste re o

(Transformer

Stereo

Ste re o

Line

Line Out

Input

Outputs

Balanced)

Aux

-L-

Master

+48V

Right

Output

Phantom

CAUTION

Pow er

RIS K OF E LE CT RIC SHOCK

DO NO T O P EN

Left

-R-

100-120VAC

50-60Hz 15W

Line Out)

(Aux)

(Stereo

Outputs)

(R)

(L)

MX-406 Small Sound Reinforecement System

VCR, CD, DVD Player

Audio Output

Accompaniment Tracks

Cassette Player

Ch.6

Ch.5

Ch.4

Ch.3

Ch.2

Ch.1

-20dB Pad

- 20dB Pad

-20 dB Pad

-20dB Pad

(Mic On l y )

(M ic On ly)

(Mic On ly )

(Mi c On l y )

Mic/Line Input

Ch.6 Insert

Ch.5 Insert

Ch.4 Insert

Ch.3 Insert

Ch.2 Insert

Ch.1 Insert

Tip=Out Ri n g=I n

Tip=Out Ring=In

Tip=O ut Ring=In

Tip=O ut Ri n g=I n

Tip=Out Ring=In

(Stereo

Monitor

Amplifier

Main

EQ,

Right

Limiter,

Crossover,

Amplifier,

Main

etc.

Left

Four Vocal

Mic Inputs

MX-406

Microphone

(+ )

(-)

Mixer

Recording

Device