TOA Electronics AT-025 Volume Control 25W Attenuator - Manual

VOLUME CONTROL ATTENUATOR
1. GENERAL DESCRIPTION
TOA’s volume control attenuators pro
available in 25W or 100W models with a Decora
for applications that require emergency and paging signals to bypass/override the attenuator. AT
linear taper control for single-point remote level adjustment of voltage controlled amplifiers
M-900MK2, A-900MK2, M-9000M2, A-9000M2, A
2. WIRING DIAGRAMS
AT-025 / AT-100
AT-100EMG
AT-10K
INPUT
Speaker line
(25V, 70V, or 100V)
from amplifier
INPUT
Speaker line
(25V, 70V, or 100V)
from amplifier
Schematic
IN CTRL COM
10Kohm Linear Taper Potentiometer
INSTALLATION MANUAL
VOLUME CONTROL ATTENUATOR
s volume control attenuators provide precise level adjustment to single or multiple speaker lines. They
or 100W models with a Decora-style wall plate. AT-100EMG is equipped
for applications that require emergency and paging signals to bypass/override the attenuator. AT
point remote level adjustment of voltage controlled amplifiers
9000M2, A-700, BG-2000, BA-200, AV-20D series mixer
INPUT
Speaker line
(25V, 70V, or 100V)
from amplifier
INPUT
Speaker line
(25V, 70V, or 100V)
from amplifier
OUTPUT
To speaker(s) with transformer(s)
OUTPUT
To speaker(s) with transformer(s)
To switched 24VDC source
(class 2 wiring)
10Kohm Linear Taper Potentiometer
Typical Hook-up
IN
CTRL
COM
+V Output
Control Input
Gnd, Com, or
INSTALLATION MANUAL
single or multiple speaker lines. They are
100EMG is equipped with a 24VDC@15mA relay
for applications that require emergency and paging signals to bypass/override the attenuator. AT-10K is a 10k ohm
point remote level adjustment of voltage controlled amplifiers such as TOA’s
series mixers/amplifiers.
AT-025
AT-100
AT-100EMG
AT-10K
OUTPUT
To speaker(s)
with transformer(s)
OUTPUT
To speaker(s)
with transformer(s)
+V Output
Control Input
Gnd, Com, or
Amplifier /
VCA Module