CP-1 Installation Instructions
The following installation requires the removal of 1 or 2 resistors and the connection of 2 wires to the microphone preamplifier op-amp IC. See the chart for the resistor, IC and pin numbers for your particular radio application. Locate the mic preamp IC and mount the CP-1 board as close to pins 1 & 2 as possible using the mounting tape supplied. Mount it on the top side of the board on surface mount radios and the bottom or solder side of the through hole radios. Remove the resistors located near the Mic Preamp IC listed for your radio below. Connect the orange wire to the Mic Preamp IC pin 1. Connect the yellow wire to the Mic Preamp IC pin 2. This completes the installation of the Top Gun Compressor. No adjustments are required.
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Radio
Mic Preamp IC
Remove Resistors
Clear Channel AR-3300, AR-3500
IC4
R141 560K, R158 1.2K
Connex 3300, 3300HP
IC4
R165 270K, R172 1K
Connex 4400, 4800
IC7
R176 270K, R186 1K
Excalibur SSB
IC4
R165 560K, R172 1K
Galaxy DX11, 33, 44, 55, 66, 73, 77, 88, 99
IC4
R165 270K, R172 1K
Galaxy DX22, 2527
IC16
R160 330K, R171 1K
Galaxy DX45, 919, 929 949, 959, 979, 2517, 2547
IC7
R176 270K, R186 1K
Galaxy DX48T, 93T
IC7
R176 270K, R186 1K
General Lee, Washington
IC7
R176 270K, R186 1K
Magnum 257, 357
IC5
R176 150K
Magnum Maverick A24
IC8
R195 270K
Magnum Delta Force
IC104
R279 270K, R294 1K
Magnum Alpha Force
IC104
R249 270K, R262 1K
Millennium 2002, 3003
IC104
R249 270K, R262 1K
President Grant DX
IC4
R199 560K, R200 1K
RCI 6300HP, 69000HP
IC7
R176 270K, R186 1K
RCI 2950, RCI 2970
IC16
R160 330K, R171 1K
RCI 2950DX, RCI 2970DX, RCI 2985 RCI 2995 RCI 6300F25, 6900F25
IC6
RCI SS American Spirit, SS 158EDX
IC7
R176 270K, R186 1K
Super Star 121
IC4
R172 Change from 120K to 330K R165 1K
Super Star 3900
IC4
R165 560K, R172 1K
Virage VX-38, VX68
IC7
R176 270K, R186 1K