Bridged mode
The bridged operation (BTL) couples the power from channel 2 (800W / 4Ω) and channel 3 (800W / 4Ω) to a strong
1x 1600W / 8Ω mono channel. The lowest impedance is 8Ω, do not connect less than 8Ω! The BTL bridge operation
increases the voltage gain from 26dB to 32dB (+ 6dB)!
Attention: The bridged mode can NOT be set or recognized on the display of the amplifier!
A computer with the DSP software is required to set the BTL bridged mode.
Method
1.
2.
3.
4.
5.
a)
b)
c)
Connect the DSP to the PC. Start the software and open the control window.
In the MAIN window, switch on the blue link button channel 2 + 3. (Linking Ch2 + 3)
Make all the settings for your loudspeaker in output Out 2 of the DSP.
Please calculate the limiter with a gain factor of 32dB and set it correctly!
Now switch on the bridge mode in the PC software:
In the menue click
Hardware
Select
Configure -> Output Mode -> Outputs 2 and 3
Bridge Mono
Click on
In the bridge-mono operating mode, all buttons of the Out 3 are out of operation on the software side!
All settings in the DSP controller must be made in Out 2.
Connecting the loudspeaker in BTL mode: Only use
the red bi-amp socket
in the connection panel for bridge
operation! Make sure that the Speakon® connectors are wired properly and protected against short circuits.
Bi-Amp connector, red
Speaker,
8Ω
+ Plus pole speaker
- Minus pole speaker
1+ Pluspole,
Output 2 (+)
1- Minuspole, Output 2 (-)
2+ Pluspole,
Output 3 (+)
2- Minuspole, Output 3 (-)
Never
connect impedances
with less than 8Ω
to the amplifier in bridged mode !!!
These instructions are only valid for devices with a red or black bi-amp socket!
USER MANUAL PowerPac 4003 DSP
11
© PL-Audio GmbH & Co.KG | Siegener Straße 6 | 57482 Wenden | www.pl-audio.de Version: October 2021 V 1.0
