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  6. AT-025
AT-025

TOA AT-025, AT-100, AT-100EMG, AT-10K User manual

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  • What is the purpose of TOA AT-10K?
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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
VOLUME CONTROL ATTENUATOR
s volume control attenuators pro
vide 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 mixer
s/amplifiers.
AT
-
025
AT-100
AT-100EMG
AT-10K
OUT
PUT
To speaker(s)
with transformer(s)
OUTPUT
To speaker(s)
with transformer(s)
+V Output
Control Input
Gnd, Com, or
Amplifier /
VCA Module
3. SPECIFICATIONS
Model AT-025
Input Capacity 25W
Attenuation
13 steps (0dB,
Wire Capacity
Priority Relay -
Finish
Dimensions Plate Width 2.75
”
Plate Height 4.5”
A: 1.75”
B: 2.5”
C: 1.875”
AT-025 / AT-100 /
AT
AT-100 AT-
100EMG
100W 100W
13 steps (0dB,
-3dB, -6dB, -9dB, -12dB, -15dB, -18dB,
-21dB, -24dB, -27dB, -30dB, -33dB, OFF)
14-gauge
-
24VDC@15mA
White plate & sub-plate / Decora-style
”
Plate Width 2.75”
Plate Height 4.5”
A: 1.812”
B: 2.5”
C: 1.875”
Plate Width 2.75
Plate Height 4.5
”
A: 2.125”
B: 2.5”
C: 1.875”
AT
-100EMG
AT
1.25”
100EMG
AT-10K
-
Continuous
10kΩ
24VDC@15mA
-
Plate Width 2.75
”
”
Plate Width 2.75”
Plate Height 4.5”
(see below drawing)
AT
-10K
1.75”
1.0”
/