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Crown MICRO TECH 1000 Instruction Manual

Professional power amplifier
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INSTRUCTION MANUAL
MICRO TECH™ 1000
PROFESSIONAL POWER AMPLIFIER

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Summary of Contents for Crown MICRO TECH 1000

  • Page 1 INSTRUCTION MANUAL MICRO TECH™ 1000 PROFESSIONAL POWER AMPLIFIER...
  • Page 2 INSTRUCTION MANUAL MICRO TECH™ 1000 PROFESSIONAL POWER AMPLIFIER Micro-Tech™ is a trademark of Crown International, Inc., 1718 W. Mishawaka Road, Elkhart, Indiana 46517. © 1985 Crown International, Inc. K80115-7 1/85...
  • Page 3 Should special problems arise, or further information be desired, please contact the Crown International Customer Services Department. F U L L T H R E E - Y E A R W A R R A N T Y Crown International 1718 W.

  • Page 4: Table Of Contents

    croLun TABLE OF CONTENTS Section 1 General Information Introduction 1 - 1 Section 2 Specifications and Performance 2 . 1 General Specifications 2 - 1 Stereo Specifications 2 - 1 Parallel Monophonic Specifications 2 - 2 Bridge Mono Specifications 2 - 2 Performance Graphs 2 - 3 Section 3...
  • Page 5 1 9 " rack, using the four Patented Crown c i r c u i t r y a l l o w s e x t r e m e voltage mounting screws and four nylon washers included.

  • Page 6: Specifications And Performance

    croujn, SECTION 2 SPECIFICATIONS AND PERFORMANCE 2.1 General Specifications General Protection: Protection circuitry limits the AC Line - Two-wire, 2 0 A, 120 V male connector with 5 output level to protect the output transistor stage, even ft. cable. in the c a s e of elevated temperature. Transformer Dimensions: 1 9 "...

  • Page 7: Parallel Monophonic Specifications

    2.5 Performance Graphs Damping Factor: Greater than 1000, 10Hz to 400Hz Voltage Gain: 2 0 +/-2 % or 2 6 d B + / - 0 . 5 d B at into 8 ohms. maximum gain. Load Impedance: Rated for 8, 4, and 2 ohm usage, Input Sensitivity: 2.2 volts unbalanced for 500 watts safe with all loads.
  • Page 8 Fig. 2.5 Typical I.M. Distortion, Parallel Mono Mode; Fig. 2.3 Typical Power Output, Stereo Mode; 8, 4 and 2 Ohms 8, 4 and 2 Ohms 4 ( >hn 1000 4 0 h i t 8 o h — L6 c h rr •...
  • Page 9 2.0 Ohms 504.0 milliohm 20kHz 126.8 milliohm 10kHz. 31.8 milliohm 1kHz 100Hz 400Hz 8.0 milliohm 2.0 milliohm 100K Frequency in Hz 0.5 milliohm Fig. 2.7 Typical Damping Factor T E C R O N 7 £ / Figs. 2.8, 2.9, and 2.10 were measured on a Tecron TEF® System 10 Audio Analyzer/Computer. Fig.

  • Page 10: Installation And Operation

    c r o u j n ì SECTION 3 INSTALLATION AND OPERATION 3.1 Unpacking As soon a s you receive the unit, please inspect for any c l e a n e d w i t h m i l d d i s h d e t e r g e n t a n d w a t e r ; d a m a g e i n c u r r e d in t r a n s i t .

  • Page 11: Monophonic Operation

    M I C R O - T E C H 1000 POWER A M P L I F I E R " I N P U - I f » t ' Fig. 3.2 Micro-Tech 1000 Rear Panel Fig. 3.5 Wire-Size Nomograph plug (Fig.

  • Page 12: Connecting Input Lines

    Parallel Mono Operation 1.» TO LOAD This configuration parallels the two output channels. Ml W 1 —* » O N D Caution: After wiring the unit for Parallel Mono, do not ' — w operate the amplifier in Stereo mode, or you may A m .

  • Page 13: Load Protection Methods

    3.10 Load Protection Methods The basic output-protection mechanism represents a environment is dusty. The amplifier covers must be d r a m a t i c d e p a r t u r e f r o m c o n v e n t i o n a l d e s i g n s . removed for adequate access.

  • Page 14: Theory Of Operation

    SECTION 4 THEORY OF OPERATION 4.1 General Information T h e Micro-Tech amplifier incorporates several new T h e Micro-Tech amplifier utilizes a wide-bandwidth t e c h n o l o g i c a l a d v a n c e m e n t s i n c l u d i n g r e a l - t i m e...
  • Page 15 p o l a r i t y f r o m t h e e r r o r a m p U 1 0 4 - A . T h e +LVA BRIDGE MONO OPERATION l + V C C I + V B ( Q 1 0 4 , Q 1 0 5 ) and the -LVA ( Q 1 1 0 .

  • Page 16: Accessories/Options

    Crown h a s m a d e r e p l a c i n g the original f a n quite simple. After removing the bottom cover, slip the original fan off the transmotor shaft and press on the low-velocity fan.
  • Page 17 ZUciai 120PF NOTES. 1 ALL RESISTORS ARE IN OHMS I/4W. UNLESS OTHERWISE NOTED S ALL CAPACITORS ARE IN MICROFARADS UNLESS OTHERWISE NOTED •3 USE S.3K OHM I X .2SW MF RESISTOR FOR INPUT SENSITIVITY OF .770VRMS TO PRODUCE 2S0 WATTS INTO AN 8 OHM LOAD J0118-0...

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