Velodyne ULD-12 Owner's Manual page 9

INPUT FROM
HO$T$YSTEM
PRE-AMPLIFIER
~
HIGH-AND
LOW- PASS
CROSSOVERS
+
HIGH-PASS OUTPUT
TO HOST SYSTEM
POWER AMPLIFIER
OR SPEAKERS
LOOP! CONTROL
FEEDBACK SIGNAL
CUSTOM DRIVER
ACCELEROMETER
AND AMPLIFIER
Figure 4: Servo Series System Block Diagram
Power Amplifier. The ULD-12 amplifier must provide power for distortion correction as well as basic music
Ai
reproduction.
.rJ
Custom Drivel'. Although our HGS electronics play the most important role in reducing distortion, Servo
Series driver must carefully engineered and constructed so as not to undo the work that the HGS electronics
done. A large magnet and are used to sensitivity, the cone is specifically shaped to
reduce resonances, and ventilation holes are to eliminate whistling often with
operation for low frequencies at listenable
system, the accelerometer measures the
means an onboard charge and
"'U~""IC:U
VELODYNE, ULD-12, ULD-15, and ULD 18
are registered trademarks of Velodyne Acoustics, Inc.
Velodyne Acoustics, Inc.
1070 Commercial Street, Suite 101
San Jose Ca., 95112
(408) 436-7270
-8-