Applied Research and Technology (ART) 405 Specification

405

FIVE ZONE DISTRIBUTION MIXER

400 SERIES

The ART Model 405 Five Zone Distribution Mixer is
designed to remotely adjust the volume of multiple
amplifiers or powered speakers,either individually
or in groups.

What Is A Zone Distribution Mixer?

The use of multiple power amplifiers each driving one
or more speakers, or multiple speakers with built-in
amplifiers is now a fact of life. And whether they are
installed in a club,a hall,a restaurant, a church, an
arena, an office, a recreational facility, or even if they
are part of a portable PA with distributed speakers,
systems like this have a unique potential. It is possible
to remotely adjust the volume of every amplifier or
powered speaker,either in groups or individually,with
a zone distribution mixer like the Model 405. Basically
the input of the Model 405 is connected to the PA
mixer’s line-level output (the Model 405 will accept
the output of two mixers) and the power amps and/or
powered speakers are connected to the Model 405s
zone outputs. Now it is possible for the operator to
adjust the volume of all the system components with
just one set of controls.

Usage

a) Connect the AC power cord to a grounded 120VAC

socket.

b) Using balanced XLR cables connect the balanced

stereo output of the primary audio source (mixer)
to the Model 405’s LEFT & RIGHT INPUT SOURCE 1
connectors. Alternately a mono signal source may
be connected to either the L or R input. However
this may affect stereo operation (see Stereo/Mono

Input Impedance: 45.1k ohms
Maximum Input level: +18 dBV line
Output Level: 22 dBV
Output Impedance: 125 ohms
Maximum Gain: +6 dB
Signal-to-Noise: 89dB
T.H.D.: < 0.2%
Dimensions: 19” x 6” x 1.75”

Weight: 6.3 lb. (2.9 kg)

405 SPECIFICATIONS

button below). You may repeat the process with
INPUT SOURCE 2 for an additional mixer or other
audio source.

c) Using balanced XLR cables connect the Model

405 OUTPUT ZONE connectors to the inputs of
the appropriate power amplifiers and/or powered
speakers.

d) In most operating situations the MONO/STEREO

button would be in the MONO position. There are
two reasons for this. Firstly, stereo separation works
well in the home where the listener can be situated
more exactly between the speakers to hear each one
equally. But away from that environment in a club,
restaurant, office, rec hall, etc, listeners too often
find themselves closer to one speaker than the other.
Now stereo separation can cause a situation where
they predominantly hear just part of the program
e.g.,guitar but no keyboard or vice-versa. With the
system in Mono mode,all of the program music
comes out all of the speakers. Secondly,if you
connect a mono source to one of the Left or Right
SOURCE INPUT connectors then switch one or more
zones into STEREO,that source will only come out
the amp/speakers connected to the Left or Right
ZONE outputs. People not situated close to those
speakers may not be able to hear that source at all.

e) Adjust the SOURCE level controls to produce the

desired volume in each area. If a CLIP light fires,
reduce either that ZONE s level control, or the
output of the signal source to prevent distortion.

f) The SIGNAL light in each ZONE indicates the presence

of input signal there.

g) SOURCE INDICATOR 1 and 2 lights tell you which

INPUT SOURCE is receiving signals.

(482mm x 152mm x 44.5mm)

405 FEATURES:

✔ LEFT and RIGHT sets of balanced

SOURCE 1 and 2 Inputs can also
accept a mono signal source.

✔ The SOURCE 1 and 2 INPUT

channels are internally routed
to the five ZONE channels.

✔ The five ZONE channels each

feature SOURCE 1 and 2 level
controls and balanced LEFT
and RIGHT OUTPUT connectors.

✔ A STEREO/MONO selector

button on each zone separates
the left and right signals in
STEREO mode or combines them
in MONO mode so that all signals
are present at both outputs.

✔ A MONO indicator LED on each

zone channel indicates that mono
has been selected.

✔ CLIP and SIGNAL LEDs on each

zone channel indicate the onset
of clipping distortion and signal
activity.

✔ SOURCE 1 and 2 INDICATION

LEDs tell you which source
channel is in use.

APPLICATIONS:

•

Live Sound Systems / PA

•

Permanent/ Fixed Installations

•

Church, Club, and Practice
PA Systems

•

DJ Sound Systems

•

Monitor Systems

•

Home and Project Recording
Studios

From the innovative minds at ART.

From the innovative minds at ART.

Applied Research & Technology • 215 Tremont St., Rochester, NY 14608 • USA • 585.436.2720 tel • 585.436.3942 fax • www.artproaudio.com