TOA sdb User Guide
INTERNAL CROSSOVER INPUT:
Connects to the full range output signal from a power amplifier, or the bridged
output from the main speaker system.
output from the main speaker system.
INTERNAL CROSSOVER OUTPUT:
When employing a single power amplifier to drive the entire speaker system,
connect this jack to the main speaker system input. (See Fig 4)
connect this jack to the main speaker system input. (See Fig 4)
CAUTION:
This type of configuration shown on Fig 3 and Fig 4 is perfectly acceptable in
low to medium level applications, however, we highly recommend the use of a
separate high-power amplifier to exclusively drive any subwoofer enclosure.
Frequency dividing may be accomplished with either an external crossover unit
or the internal crossover unit. See appropriate diagrams for further details.
separate high-power amplifier to exclusively drive any subwoofer enclosure.
Frequency dividing may be accomplished with either an external crossover unit
or the internal crossover unit. See appropriate diagrams for further details.
DIRECT INPUT:
Use this input when employing an external crossover unit and a separate power
amplifier.
DIRECT OUTPUT:
For bridging the direct input signal to another speaker input.
1. Four-way system using electronic crossover network and 4 power amplifiers.
Full Range Signal
Mixer or Preamplifier
Electronic crossover network
Ultra-low
Power Amplifier
[Fig 1]
High Range Speaker
Mid Range Speaker
Low Range Speaker
DIRECT IN
Subwoofer System (2 systems at max.)
2. System using electronic crossover network and 2 power amplifiers.
High-pass
Full Range Signal
Main Speaker System
Mixer or Preamplifier
Electronic crossover network
[Fig 2]
DIRECT IN
Subwoofer System (2 systems at max.)
Ultra-low
Power Amplifier
DIRECT IN
DIRECT OUT
DIRECT OUT
DIRECT IN
Low
Mid
High
Input Panel
Connection Diagrams