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Macro-Tech 600/1200/2400 Power Amplifiers

Page 7

1 Welcome

Congratulations on your purchase of the renowned

Macro-Tech

professional power amplifier.

Macro-Tech

amplifiers are designed to provide enormous levels of

pure, undistorted power in a rugged low-profile pack-

age—making them

the choice

for pro sound reinforce-

ment. They utilize our patented

ODEP

protection

circuitry to

keep the show going

long after other ampli-

fiers have shut down. And with their

P.I.P.

expandability,

Macro-Tech

amplifiers can be easily cus-

tomized with one of our many optional input modules

(see Section 8 for a list of available

P.I.P.s.

This manual will help you successfully install and use

your new amplifier. Please read all instructions, warn-

ings and cautions. Be sure to read Sections 3.3.2 and

3.3.3 if you plan to use one of the amplifier’s two mono

modes. Also for your protection, please send in your

warranty registration card today and save your bill of

sale because it is your official proof of purchase.

1.1 Unpacking

Please unpack and inspect your new amplifier for any

damage that may have occurred during transit. If dam-

age is found, notify the transportation company imme-

diately. Only you, the consignee, may initiate a claim

for shipping damage. Crown will be happy to cooper-

ate fully as needed. Save the shipping carton as evi-

dence of damage for the shipper’s inspection.

Even if the unit arrived in perfect condition, as most do,

save all packing materials so you will have them if you

ever need to transport the unit. NEVER SHIP THE UNIT

WITHOUT THE FACTORY PACK.

1.2 Features

Macro-Tech

amplifiers use cutting edge technology to

deliver the ultimate in power and value for their size,

weight and price. They offer numerous advantages

over conventional designs and provide benefits you

can’t get in amplifiers from any other manufacturer.

Here are some of their many features:

❏ Crown’s

grounded bridge

design delivers large voltage

swings without using easily stressed output transistor

configurations like conventional amplifiers. The results

are lower distortion and superior reliability.

❏ Patented

ODEP

(Output Device Emulation Protection) cir-

cuitry compensates for overheating and overload to keep

the amplifier working when others would fail.

❏

IOC

(Input/Output Comparator) circuitry immediately

alerts of any distortion exceeding 0.05%, providing dy-

namic

proof of distortion-free performance

❏

P.I.P.

(Programmable Input Processor) connector accepts

accessories that tailor the amplifier to suit specific appli-

cations.

❏ Two mono modes (Bridge-Mono and Parallel-Mono) for

driving a wide range of load impedances.

❏ Very low harmonic and intermodulation distortion result in

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, mismatched

loads, input/output DC, general overheating, high-fre-

quency overloads and internal faults.

❏ Dedicated power supply transformers isolate channels in

Stereo mode for superb crosstalk characteristics and reli-

ability—each channel is virtually a separate amplifier.

❏ Balanced inputs with internal three-position sensitivity

switch and adjustable front panel level controls.

❏ Versatile 5-way binding posts make it easy to connect

output wiring.

❏ Ground lift switch isolates the AC power and phone jack

audio grounds.

❏ Efficient heat sinks and a self-contained forced-air cool-

ing system dissipate heat quickly and evenly for extra

amplifier protection and greater power output.

❏ Extra rugged, extruded aluminum front panel with

ODEP

and signal presence/

IOC

indicators for each channel,

and an Enable Indicator.

❏ Mounts in a standard 19 inch (48.3 cm) equipment rack

(units can also be stacked).

❏ Three year “No-Fault” full warranty completely protects

your investment and guarantees its specifications.

LEVEL LEVEL

OFF

ENABLECH1 CH2

ODEP

SIGNAL

IOC

Fig. 1.1 Macro-Tech Amplifier

1 2 3 4 5 6 7 8 9 10 11 12 ... 42 43

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