4 instructions.ai, 4initial setup, Ec d b a – Coda CP Phono and Line Preamplifier User Manual

Page 5

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4

INITIAL SETUP

Note: Many amplifiers produce a local magnetic field that can be picked up by the

sensitive circuitry of a preamplifier. Try to provide at least a foot of space between

your amplifier and your CP preamp.

The diagram below illustrates the front panel controls of the CP.

E

C D

B

A

VOLUME

MAIN LEFT RIGHT

dB

ULTRA CLASS A FET PREAMPLIFIER

CP

BAL

PHONO

CD

AUX

VIDEO

PROCESSOR

MONO

A: The rotary controller adjusts the currently selected volume level. Press the knob to

switch between the volume setting for left, right or both channels, indicated by the

lights underneath the digit display.

B: The digit display shows the currently selected volume setting. The lights under-

neath the digit indicate which value is selected. The readout is in dB of attenuation,

therefore a higher number indicates a lower output level. If the output is muted the

display will flash repeatedly.
C: The processor input mode passes the current audio input through an external

processor unit before it is output. See the previous page for instructions on connect-

ing a processor device.

D: The mono input mode combines both input channels into a single monaural

signal and outputs the combined signal on both output channels.

E: The four input selectors choose the current active audio input. Individual gain can

be set for each input. Press and hold the button for the appropriate input. The

display will switch to the gain setting for that input, 00 by default. Rotate the volume

knob to select up to 18 dB of additional gain, then press the input button again to

store the value.

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