PCB Piezotronics Larson Davis BAS002, Manual

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BAS002 BAS002 Power Amplifier 3-1
C H A P T E R
3
BAS002 Power Amplifier
This chapter describes the components, features, and
basic operation of the BAS002 power amplifier.
Components and Features
The BAS002 Power Amplifier generates specific signals
useful for acoustic applications and tests. It can also be
connected to the Model 831 sound level meter to simplify
and speed up RT-60 measurements.
The power amplifier consists of the following components
or features:
• USB interface and player
• Auxiliary preamplifier and limiter
• Volume control and filter shaping
• Final power amplifier
• ISM Radio Receiver
• Display and keypad interface
• Power supply and filtering
Before powering down, stop any files
from playing or stop the Aux input.
Although the amplifier is protected
against abrupt source interruption,
the speaker may be damaged if an
interruption occurs during high
sound output. All functions are controlled by a microprocessor with
internal flash memory for saving settings and configurations.
The housing has been designed for field usage, being both
light in weight and equipped with shielding to prevent
electrical disturbances.
The system provides three different controls, as follows:
• BAS002 amplifier keypad controls
• Remote control
• Software control
The amplifier keypad provides extended functionality over
the remote control and the software controls provide
extended functionality over the amplifier keypad controls.
Each control can be used simultaneously during operation.