Page 2 - IMPORTANT
Micro-Tech Series Power Amplifiers page 2 Operation Manual 1) Read these instructions. 2) Keep these instructions. 3) Heed all warnings. 4) Follow all instructions. 5) Do not use this apparatus near water. 6) Clean only with a dry cloth. 7) Do not block any ventilation openings. Install in accordanc...
Page 3 - Table of Contents; Important Safety Instructions
Micro-Tech Series Power Amplifiers page 3 Operation Manual Table of Contents Important Safety Instructions ........................... 2 1 Welcome .......................................................... 4 1.1 Features ...................................................... 4 1.2 Unpacking Your Amp...
Page 4 - Welcome; ODEP; Unpacking Your Amplifier; Amplifier Application Guide
Micro-Tech Series Power Amplifiers page 4 Operation Manual 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 packa...
Page 5 - Unpack Your Amplifier; Input wiring cables; Install Your Amplifier; Figure 3.2 illustrates standard amplifier airflow.; Setup; SIDE VIEW; Figure 3.1 Mounting Dimensions
Micro-Tech Series Power Amplifiers page 5 Operation Manual 3.1 Unpack Your Amplifier YOU WILL NEED (not supplied): • Input wiring cables • Output wiring cables Rack for mounting amplifier (or a stable surface for stacking) WARNING: Before you start to set up your amplifier, make sure you read and ob...
Page 6 - Figure 3.3 Balanced Input
Micro-Tech Series Power Amplifiers page 6 Operation Manual 3.4 Choose Input Wire and Connectors Crown recommends using pre-built or profes-sionally wired, balanced line (two-conductor plus shield), 22-24 gauge cables and connec-tors. Depending upon which amplifier input you choose, you should use ei...
Page 7 - Distance; gauge
Micro-Tech Series Power Amplifiers page 7 Operation Manual 3.5 Choose Output Wire and Con-nectors Crown recommends using pre-built or profes-sionally wired, high-quality, two-conductor, heavy gauge speaker wire and connectors. Use banana plugs, spade lugs or bare wire for your output connectors (Fig...
Page 8 - Wire Your System; INPUTS: Connect input wiring for both channels.; Figure 3.6 Three System Connection Methods
Micro-Tech Series Power Amplifiers page 8 Operation Manual 3.6 Wire Your System 3.6.1 Stereo Mode Typical input and output wiring is shown in Figure 3.6. Turn off the amplifier, and set the Stereo/Mono mode switch on the back to Stereo. INPUTS: Connect input wiring for both channels. OUTPUTS: Mainta...
Page 9 - Set Input Sensitivity; Figure 3.7 Input Sensitiviy and Ground Lift Switches
Micro-Tech Series Power Amplifiers page 9 Operation Manual 3 Setup 3.7 Set Input Sensitivity The three-position input sensitivity switch is located inside the amplifier behind the MT-XLR module (Figure 4.2 letter “I”). The switch is set at the factory to a sensitivity of 0.775 volt for standard 1 kH...
Page 10 - Never connect the output to a power supply,; Operation
Micro-Tech Series Power Amplifiers page 10 Operation Manual 4.1 Precautions Your amplifier is protected from internal and external faults, but you should still take the following precautions for optimum performance and safety: 1. Before use, your amplifier first must be configured for proper operati...
Page 11 - Figure 4.1 Front Panel Indicators and Grille
Micro-Tech Series Power Amplifiers page 11 Operation Manual 4.2 Controls, Indicators andConnectors 4.2.1 Front Panel Facilities A. Filter Grille Supports and protects the dust filter (B). To clean the dust filter, detach the grille by remov-ing the three screws that hold it in place. B. Dust Filter ...
Page 12 - Use Stereo mode for normal two-channel oper-; K. Balanced Phone Jack Inputs; Figure 4.2 Rear Panel Connectors and Controls
Micro-Tech Series Power Amplifiers page 12 Operation Manual 4.2.2 Rear Panel Facilities F. Power Cord All units are shipped with an approprate plug and cord for the required AC voltage. G. Stereo/Mono Modes Switch • Use Stereo mode for normal two-channel oper- ation. • Use Bridge-Mono mode to drive ...
Page 13 - Protection Systems
Micro-Tech Series Power Amplifiers page 13 Operation Manual NOTE: For detailed information about these Crown amplifier features, please consult the Crown Amplifier Application Guide, available on the Crown website at www.crownaudio.com. 5.1 Protection Systems Your Crown amplifier provides extensive ...
Page 14 - not
Micro-Tech Series Power Amplifiers page 14 Operation Manual 5.2 Accessories 5.2.1 Cooling Fan Options Every Micro-Tech amplifier has a built-in high-velocity fan that provides optimum cooling. Two optional replacement fan blades are avail-able for special cooling requirments. Crown part C 6594-3 is ...
Page 15 - Principles of Operation
Micro-Tech Series Power Amplifiers page 15 Operation Manual 6.1 Overview Micro-Tech amplifiers incorporate several tech-nological advancements including real-time computer simulation of output transistor stress, low-stress output stages and an advanced heat sink embodiment. Custom circuitry is incor...
Page 16 - ONLY ONE CHANNEL SHOWN; Figure 6.1 Circuit Block Diagram
Micro-Tech Series Power Amplifiers page 16 Operation Manual 6.2.1 Stereo Operation For simplicity, the discussion of Stereo opera-tion will refer to one channel only. Mono opera-tion will be discussed later. For specific circuit references, see the block diagram in Figure 6.1. The signal at the ¼-in...
Page 18 - ODEP LEDs on; Troubleshooting
Micro-Tech Series Power Amplifiers page 18 Operation Manual CONDITION: Normal operation. The Enable (Power) LED is on, and the ODEP LEDs are on or flickering. ODEP LEDs on indicates a high energy reserve. An ODEP LED flickering means that the energy reserve for the affected channel is dip-ping. COND...
Page 19 - Specifications; Minimum Guaranteed Power; Total Harmonic Distortion (THD) at rated power, from 20 Hz to 20 kHz
Micro-Tech Series Power Amplifiers page 19 Operation Manual 8 Specifications Minimum Guaranteed Power MT-600 MT-1200 MT-2400 120 VAC, 60 Hz Units, Stereo mode, per channel, both channels driven 1 kHz with 0,1% THD Stereo, 2 ohms (per ch.) Stereo, 4 ohms (per ch.) Stereo, 8 ohms (per ch.) 400 W325 W2...
Page 20 - Performance
Micro-Tech Series Power Amplifiers page 20 Operation Manual Performance MT-600 MT-1200 MT-2400 Voltage Gain (at maximum level setting, ± 0.5 dB) 26dB sensitivitiy 0.775V sensitivity 1.4V sensitivity 26 dB 35.0 dB30.0 dB 26 dB 36.0 dB31.0 dB 26 dB 38.0 dB33.0 dB Required AC Mains 50/60 Hz, 100 - 240 ...
Page 21 - • Duty cycle of continuous speech is 10%.
Micro-Tech Series Power Amplifiers page 21 Operation Manual This section provides detailed information about the amount of power and current drawn from the AC mains by Micro-Tech amplifiers and the amount of heat produced under various conditions. The calculations presented here are intended to prov...
Page 23 - Worldwide Service; Before sending a Crown product to the factory; Crown Factory Service
Micro-Tech Series Power Amplifiers page 23 Operation Manual Crown amplifiers are quality units that rarely require servicing. Before returning your unit for servicing, please contact Crown Technical Support to verify the need for servicing. This unit has very sophisticated circuitry which should onl...
Page 24 - YEAR; SUMMARY OF WARRANTY; UNITED STATES & CANADA
Micro-Tech Series Power Amplifiers page 24 Operation Manual YEAR 3 SUMMARY OF WARRANTY Crown International, 1718 West Mishawaka Road, Elkhart, Indiana 46517-4095 U.S.A. warrants to you, the ORIGINAL PURCHASER and ANY SUB-SEQUENT OWNER of each NEW Crown product, for a period of three (3) years from t...
Page 25 - WORLDWIDE EXCEPT USA & CANADA
Micro-Tech Series Power Amplifiers page 25 Operation Manual YEAR 3 11 Warranty WORLDWIDE EXCEPT USA & CANADA SUMMARY OF WARRANTY Crown International, 1718 West Mishawaka Road, Elkhart, Indiana 46517-4095 U.S.A. warrants to you, the ORIGINAL PURCHASER and ANY SUB-SEQUENT OWNER of each NEW Crown1 ...
Page 27 - Crown Factory Service Information
Micro-Tech Series Power Amplifiers page 27 Operation Manual Crown Factory Service Information Shipping Address: Crown Factory Service, 1718 W. Mishawaka Rd., Elkhart, IN 46517 Phone: 1-800-342-6939 or 1-574-294-8200 Fax: 1-574-294-8124 Owner’s Name : _________________________________________________...