AMX AXB-VOL3 - Manual (Page 5)

Product Information
1 AXB-VOL3 Three-Channel Volume Control
Product Information
The AXB-VOL3 Three-Channel Volume Control provides three audio volume control channels.
Each line-level channel, opto-isolated from system ground, can be configured for balanced or
unbalanced line operation. The AXB-VOL3 is programmable for 128 steps of audio level, audio
mute, variable ramp speed and level presets. The AXB-VOL3 connects to Axcess control systems
using the 4-wire AXlink data/power bus; it can be used for remote or rack mount applications.
Specifications
FIG. 1 AXB-VOL3 front and rear panel
AXB-VOL3 Specifications
Three line-level audio control channels:
Line operation: Balanced or unbalanced
Audio ground: Audio ground opto-isolated from system ground.
Nominal input level: -10 to +4 dBm.
Max. input/output level: +16 dBm.
Volume level resolution: 128 volume level steps (+ .5 dB per step).
Attenuation: 72 dB at full attenuation (mute).
Total Harmonic Distortion: THD = <.008%
Frequency Response 20 Hz to 20 kHz +/- 1 dB
1 2 3
ON
DEVICE AXlink
GN
D
AXP AXM PW
R
OU
T
OU
T
GN
D
IN IN GN
D
IN OU
T
OU
T
GN
D
GN
D
IN OU
T
IN GN
D
OU
T
IN GN
D
AXlink VOL CHAN 3 VOL CHAN 2 VOL CHAN 1
AXlink LED
Device
DIP switch
Channel LEDs
Volume Channel
connector
AXlink connector
Front
Rear