© RTO 2000
Page 15
BUILT-IN ELECTRONIC CROSSOVER
The Impulse SD-1200 is equipped with built in switchable electronic x-
overs.
The electronic network is switchable as Lowpassfilter "LPF or as
Highpassfilter "HPF". In both modes the crossover frequency is
continuously adjustable. As Lowpassfilter "LPF from 30Hz to 250Hz, as
Highpassfilter "HPF from 30Hz - 1KHz.
A bass boost at 45Hz, adjustable from 0 - 18db, is included.
2-OHM OPERATION
This unit was designed to operate efficiently at loads down to 2 Ohms.
What this means is that you can do an installation of FOUR-8 Ohm
speakers per channel using parallel wiring or two 4 Ohm speakers per
channel in parallel.
When operating at 2 Ohms, the amplifier increases it’s power output by
approximately 50 percent. The current draw of the amplifier will also
increase by about the same amount. Be sure that you have enough
current to run the amplifier into a 2 Ohm load otherwise distorted.music
will be reproduced.
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