Crown MA-24X6 Instruction Manual download pdf (Page 5)

page 5

Macro-Tech MA-24X6 & 36X12 Power Amplifiers

Operation Manual

1 Welcome

Congratulations on your purchase of a Macro-

Tech

dual level professional power amplifier.

Your amplifier has a separate high-power and

medium-power channel, making it ideal for

biamplified systems. The Macro-Tech 24x6

combines one channel of a Macro-Tech 2400

with one channel of a Macro-Tech 600. The

Macro-Tech 36x12 combines one channel of a

Macro-Tech 3600VZ with one channel of a

Macro-Tech 1200. And because each model

has a separate power supply for each channel,

each channel can be treated as a separate

power amplifier.

Because it’s a Macro-Tech, you have the added

benefit of PIP ™ compatibility for access to

custom input modules and ODEP

protection

to keep the show going long after other amplifi-

ers would fail.

Modern power amplifiers are sophisticated

pieces of engineering capable of producing

extremely high power levels. They must be

treated with respect and correctly installed if

they are to provide the many years of reliable

service for which they were designed.

In addition, MA-24X6 and MA-36X12 amplifi-

ers include a number of features which require

some explanation before they can be used to

their maximum advantage.

Please take the time to study this manual so

that you can obtain the best possible service

from your amplifier.

1.1 Features

•Crown’s Grounded Bridge™ design deliv-

ers incredible voltage swings without

using stressful output transistor configura-

tions like conventional amplifiers. The

results are lower distortion and superior

reliability.

• Patented ODEP (Output Device Emulation

Protection) circuitry compensates for

overheating and overload to keep the

amplifier working long after others would

fail.

• IOC

(Input/Output Comparator) circuitry

immediately alerts of any distortion

exceeding 0.05%, providing dynamic

proof of distortion-free performance.

• PIP connector accepts accessories that tai-

lor the amplifier to suit specific applica-

tions.

• Very low harmonic and intermodulation

distortion give the best dynamic transfer

function in the industry.

• High damping factor provides superior

control over low frequency drivers for a

clean, accurate low end.

• Full protection against shorted outputs,

open circuits, DC, mismatched loads, gen-

eral overheating, high frequency overloads

and internal faults.

• Extra rugged, extruded aluminum front

panel with ODEP and Signal Presence/IOC

indicators for each channel, as well as an

Enable indicator.

• Macro-Tech 36x12: Articulated VZ power

supply for Channel 1 (3600) provides the

best power matching to your load.

• Efficient heat sinks and forced air cooling

prevent overheating and prolong compo-

nent life.

• Balanced inputs with three-position sensi-

tivity switch and adjustable front panel

level controls.

• 5-way binding post outputs provide versa-

tile connection.

• Mounts in a standard 19-inch (48.3-cm)

equipment rack (units can also be

stacked).

• Three Year “No-Fault” Full Warranty com-

pletely protects your investment and guar-

antees its specifications.

1.2 How to Use This Manual

This manual provides you with the necessary

information to safely and correctly setup and

operate your amplifier. It does not cover every

aspect of installation, setup or operation that

might occur under every condition. For addi-

tional information, please consult Crown’s

Amplifier Application Guide (available online at

www.crownaudio.com), Crown Tech Support,

your system installer or retailer.

We strongly recommend you read all instruc-

tions, warnings and cautions contained in this

manual. Also, for your protection, please send

in your warranty registration card today. And

save your bill of sale—it’s your official proof of

purchase.

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