OPERATION MANUAL
C12 • C22 • L20
Plug-In Controller Modules
L20 Limiter Module
C12 Controller Module
C22 Controller Module
C12 • C22 • L20 OPERATION MANUAL
Table of Contents 2
Introduction 2
Installation 3
C12 Loudspeaker Controller Module 3
C22 Loudspeaker Controller Module 4
L20 Limiter Module 6
Looping Outputs 6
HPF Selectors 6
Input Connectors 7
Limit Set Switches 7
Output Mode Selector 7
Ground Lift Switch 7
Table of Contents
Input Connections 4
Output Connections 4
Output Connections 5
Input Connections 5
Ground Lift Switch 5
Selector Switches 5
C22 Setup Switches 6
Block Diagrams
C12 Controller Module 8
C22 Controller Module 8
L20 Limiter Module 8
Introduction
Congratulations on your purchase of a Renkus-Heinz loudspeaker controller module for your P2400 or
P2700 dual-channel power amplifier.
Your Renkus-Heinz amplifier and controller module have been designed to provide years of troublefree, high performance operation. We hope you enjoy them.
Your Renkus-Heinz controller module was completely tested and inspected before leaving our factory
and should have arrived in perfect condition. Please carefully inspect the module and its shipping
carton for any noticeable damage and immediately notify the shipping company if you see any
noticeable damage. Only you (the consignee) may institute a claim with the carrier for any damage
incurred during shipping. If you have a problem, be sure to save the carton and all packing materials
for the carrier's inspection.
Important
Renkus-Heinz controller modules contain no user-serviceable parts and all service should be referred
to qualified service personnel. We recommend that any module be returned to the factory in its original
packing carton if factory service is required.
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C12 • C22 • L20 OPERATION MANUAL
Installation Procedure
Installation
The installation procedure is the same for all loudspeaker controller modules.
1. Remove the existing module from the rear of the amplifier by taking out the 4 mounting
screws that hold the module in place and gently pulling the module out of the amplifier chassis.
Caution: Before removing the existing module from the amplifier, make sur e the amplifier
is disconnected from the main AC line.
2. Remove (disconnect) the flat wire cable/connector that connects the existing module to the
amplifier.
3. Connect the flat wire cable/connector to the new module you are installing. Then gently insert
the new module into the amplifier and secure it into place with the 4 mounting screws you
originally removed.
Note: The C12 controller module has 2 flat wire cable connectors on the PC board. The
one to use is the one having the most pins. It is designated J12 on the PC board.
Caution: C12 modules are configured for use with a particular loudspeaker and C22
modules are customized for use with particular loudspeakers by the proper setting of
several control switches. Make sure the module is set up to operate with your
loudspeaker(s) before connecting the loudspeak er(s) and turning on the system.
C12 Controller Module
Input
MODEL
C12
PIN 1 = GND
PIN 2 = +
PIN 3 = -
SUB/LF OUT FR/HFINPUT
cc
BRIDGE
2
T 10 A
117 V ~
250 V
The C12 loudspeaker controller module shown above is a single input input, dual output module
used in single channel (mono) systems having either active 2-way loudspeakers (or 3-way
loudspeakers set up for bi-amp operation) or in systems having full-range (passive) loudspeakers
and subs (refer to the block diagrams show below.) It provides crossover circuitry, protection
against overload damage, and frequency response smoothing.
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OUTPUTS
STEREO 4 OHM MIN./CH.
BRIDGED MONO 8 OHM MIN.
Channel 1 & 2 controller outputs (processed signals) to additional power
amplifiers.
RENKUS-HEINZ
MADE IN USA
Sub/LF amplifier output to associated subwoofers or to the
low frequency section of active 2-way loudspeakers.
FR/HF amplifer output to associated full-range loudspeakers
or to the high frequency section of active 2-way loudspeakers.
IRVINE, CA - U.S.A.
MODEL P-2400
POWER CONSUMPTION : 920 W
SERIAL N
RISK OF ELECTRICAL SHOCK
DO NOT OPEN
T O REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK
DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE
TO REDUCE THE RISK OF ELECTRICAL SHOCK
DO NOR REMOVE COVER (OR BACK)
NO USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL
MANUFACTURED IN EEC
The C12 is customized to match its associated loudspeakers with a PK-xxx kit that provides the
necessary settings for the crossover, protection, and equalization circuitry. There is no need to
adjust the C12 before installing it.
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