Owner’s Enjoyment Manual
®
An important note to remember about the Richter Scale
Series Three: The Electronic Crossover is COMPLETELY
INDEPENDENT of the Equalizer and Warble Tone Ana-
lyzer portions of the unit. If you want equalization and the
electronic crossover, you need to connect BOTH halves of
the Richter Scale.
The crossover circuitry features a very clean highpass
synthesis system to minimize the signal path of the high
frequency portion. Since the highpass output is derived
from the same filter used for the lowpass output; each half
of the output is always in perfect alignment. There is no
chance of a compo-
nent going out of
tolerance and
misaligning the
crossover frequencies.
The crossover frequency of the Richter Scale Series Three is
programmed with a simple, plug-in resistor module. The
module installed from our factory is 90 Hz. Additional
modules are available from your dealer or from AudioCon-
trol directly. There are further instructions in the appendix
about building your own resistor modules. Installing a new
module is a simple matter of removing the top cover of the
Richter Scale. Now unplug the existing module and replace it
with your new crossover frequency. The module is not
polarized; you can plug it in either way.
WARNING!
Make certain you unplug the AC power to
the unit before opening the chassis.
Hazardous voltages are present inside.
Inside view of Richter scale showing crossover module
12
Summary of Contents for Richter Scale Series III
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