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TD10000Q
AMPLIFIER
Operation and Performance
Precautions
Introduction
Front Panel
Rear Panel
Operation and Performance
Signal flow blocks
The TD Series amplifier has the same signal flow, and the same feature sets. The only
internal differences are in the maximum output current per channel and VPL settings.
The input stage of TD Series amplifier has a high sensitivity to provide ample system
headroom. This in effect means that the input stage is almost impossible to clip.
Overall amplifier input gain is adjusted using the input stage DIP-switches. Please
note that the gain setting is global, affecting all channels. Following the input stage,
the dedicated level control on each channel allows signal attenuation from 0 dB to
minus.
The Current Peak Limiter (CPL) section dynamically limits the input signal based on
three parameters: sensed current level, feedback from the output stage, and sensed
voltage clip from the VPL (and output amplifier voltage clip if "Soft Clip" is activated).
This ensures that power output is maintained within the design limits of the amplifier.
The adjustable Voltage Peak Limiter (VPL) sets the maximum output voltage and
therefore also the maximum output power. Eight different voltage stages are available
using the DIP-switches on the rear panel.
The sophisticated output section monitors faults and generates appropriate warnings,
which are displayed on the amplifier front panel. These alerts allow the operator to
adjust system settings and thereby avoid problems. In the rare event that condition are
extraordinarily severe, the amplifier will shut down until the fault or problem setting ha
been rectified or adjusted. These sensing circuits are also employed to feed back
voltage and current level information, via a side chain, to the limiters. Sensing circuit
also transmit local amplifier module temperature and power supply temperature to the
appropriate protection mechanisms. Read the Protection, Faults and Warnings section
for further details.
Input Amplifier
Level control
Clip Limiter
Voltage Peak Limiter
Output Power Amplifier
Gain select switches
Front panel
Dynamic Gain
VPL select switches
potentiometer
reduction
Class TD
Control Mute
Hard/Soft switch
Voltage Clip sensing
Monitoring Level
Current clip sensing
Temperature
Fault/Warning
Figure 3
TD-10000Q signal flow
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