Crown 600, 1200, 2401, 2400, 601 Welcome, How to Use This Manual, Features, Unpacking Your Amplifier

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Micro-Tech Series Power Amplifiers

1 Welcome

Crown's Micro-Tech 600, 1200 and 2400 are the original industry standards for touring amplifiers. Micro-Tech amplifiers are known around the world as the benchmark for high- density, ultra-pure power in a compact, light- weight package. In addition, each model gives you Crown's legendary ODEP® protection to keep the show going long after other amplifiers would fail.

Models MT-601, 1201 and 2401(for Japan) are identical to corresponding models MT-600, 1200 and 2400.

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, the Micro-Tech amplifiers include a number of features which require some expla- nation before they can be used to their maxi- mum advantage.

Please take the time to study this manual so that you can obtain the best possible service from your amplifier.

1.1 Features

Grounded Bridge™ design delivers incredible voltage swings without stress- ing output transistors. This results in sig- nificantly lower distortion and superior reliability.

Patented ODEP® (Output Device Emula- tion Protection) circuitry compensates for overheating and overload to keep the amplifier working.

High damping factor provides superior motion control over low-frequency drivers for clean, accurate low end.

Two mono modes (Bridge-Mono and Par- allel-Mono) for driving a wide range of load impedances.

Full protection against shorted outputs, open circuits, DC, mismatched loads, general overheating, high-frequency over- loads and internal faults.

1.2 Unpacking Your Amplifier

Please unpack and inspect your amplifier for any damage that may have occurred during transit. If damage is found, notify the transpor- tation company immediately. Only you can ini- tiate a claim for shipping damage. Crown will be happy to help as needed. Save the shipping carton as evidence of damage for the shipper's inspection.

We also recommend that you 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.

2 How to Use This Manual

This manual provides you with the necessary information to safely and correctly set up 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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Operation Manual

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Contents Some models may be exported under the name Amcron Micro-Tech 600, 1200 601, 1201 03/03 Important Safety Instructions Output wiringWatch for These Symbols Magnetic FieldTable of Contents How to Use This Manual FeaturesWelcome Unpacking Your AmplifierSetup Install Your AmplifierYou may also stack amps without using a cabi- net Unpack Your AmplifierChoose Input Wire Connectors Shows connector pin assignments forChoose Output Wire and Con- nectors Output ConnectionsWire Your System Stereo Mode Bridge-Mono ModeInputs Connect input wiring to Channel 1 only Parallel-Mono ModeSet Ground Lift Switch Startup ProcedureSet Input Sensitivity Connect to AC MainsOperation PrecautionsDo Not operate the amplifier with the Odep LEDs turning off Odep Indicators Output Device Emulation Protection Enable IndicatorPower Switch Dust FilterRear Panel Facilities Power Cord Stereo/Mono Modes SwitchReset Switches Micro-Tech 2400 only Ground Lift SwitchAdvanced Features Options Input Connectors Option Accessories Cooling Fan OptionsFilter Cleaning Overview Principles of OperationCircuit Theory Stereo Operation Only ONE Channel ShownBridge-Mono Operation Parallel-Mono OperationTroubleshooting High-voltage power supply fuse or breaker has blown120 VAC, 60 Hz Units, Bridge mono mode Specifications120 VAC, 60 Hz Units, Parallel mono mode Power Draw at Idle Dimensions Width, Height, DepthWeight 120VAC, 60-Hz units Net Weight Shippping WeightAC Power Draw Thermal Dissipation AC Power Draw Thermal Dissipation Service Warranty Items Excluded from this CROWN- Warranty Worldwide Except USA & CanadaThis page intentionally left blank Nature of Problem Crown Factory Service InformationEnclose this Portion with the UNIT. do not Mail Separately