Harman-Kardon TC300 Automobile Accessories User Manual


 
The
TC
Series simultanous bridged mono/stereo satellite operation demonstrates this
minimum impedance concept, as these diagrams illustrate:
-~
~
Improper impedance loading
Len
satellite
speakers
2-ohm min~mum
Proper impedance loading
2-ohm minimum
If
the left and right satellite speakers are 2 now see
1
ohm per channel in the combined
Separating the operating ranges of the
ohms and operated full-range, the amplifier woofer/satellite operating range, thereby satellites and woofer with a passive cross-
would see a proper impedance load. How- eventually triggering the amplifier's over filter as shown in the above example
ever, if a
4
ohm subwoofer is additionally protection mode (a 4-ohm bridged load will provide a proper minimum impedance
bridged across the left and right channels looks like a 2-ohm load per channel to
an
load of 2 ohms stereo above
8OHz
and
without a crossover filter, the amplifier will amplifier).
4
ohms bridged mono below
80Hz.
30