McIntosh MCC204 Owner's Manual download pdf (Page 13)

The McIntosh MCC204 is a highly versatile amplifier that

can be configured in many ways. This manual gives ex-

amples of some of the most common configurations. The

best way to set equalization and filter controls is through

the use of a real-time spectrum analyzer and the expertise

of a professional installer. This manual will guide you

through the basic operation, however we suggest you refer

to your dealer for further information on the use of this

unit. To access the Amplifier Controls and Switches refer

to Removing the Glass Panel located on page 6 of this

Owners Manual.

Crossover

The CROSSOVER Switch OUT Position selects a Flat Fre-

quency Response. When the CROSSOVER Switch is in

the LP (low frequency pass) Po-

sition, the Amplifier will pass all

frequencies below the setting of

the CROSSOVER FRE-

QUENCY Control. If the

CROSSOVER Switch is in the

HP (high frequency pass) Posi-

tion, the Amplifier will pass all

frequencies above the setting of the CROSSOVER FRE-

QUENCY Control. Refer to figure 4.

Equalizer

Each of the two pairs of channels (1 and 2, 3 and 4) is

equipped with an equalizer. The equalizer is not intended to

act as a tone control. The one-band equalizer is best uti-

lized as a notch filter to reduce a

peak (as located by real-time analy-

sis with an RTA) in your systems

frequency response. If you are at-

tempting to equalize a system with-

out RTA data, play music you are

familiar with, set the equalizer

LEVEL Control to +12 and slowly turn the FREQUENCY

Control to get an idea where in the musical spectrum the

frequency numbers are located. Then set the LEVEL Con-

trol back to 0 and listen to the system to determine its

equalization needs. Subtle adjustments are best and cutting

usually sounds better than boosting. Refer to figure 5.

Input Sensitivity Controls

The SENSITIVITY controls allows the setting of the input

sensitivity, of all four amplifier channels, to provide an

ideal match for the signal source be-

ing used. The most desirable setting

allows the control center to have a

useful volume range as wide as pos-

sible from loud to soft. A good place

to start is to set the amplifiers SEN-

SITIVITY Control to the output volt-

age called out in your control center

owners manual. The Level controls can be set for any sen-

sitivity from .5 volts to 8 volts.

Refer to figure 6.

Note: When used in conjunction with a McIntosh Control

Center, you may find setting the Sensitivity controls to

the center detent (1.5V) works best.

How to Operate

Introduction

Figure 4

Figure 5

Figure 6

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McIntosh MCC204 Owner's Manual Page 13

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