c r o w n
INSTRUCTION MANUAL
MICRO TECH™ 1000
PROFESSIONAL POWER AMPLIFIER
Page 1: ...c r o w n INSTRUCTION MANUAL MICRO TECH 1000 PROFESSIONAL POWER AMPLIFIER...
Page 2: ...n 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...
Page 3: ...authorized service center or the C r o w n factory A l l expenses in remedying the defect including shipping costs in the United States will be borne by C r o w n Purchaser must bear the expense of sh...
Page 4: ...lation and Operation 3 1 Unpacking 3 1 3 2 Mounting 3 1 3 3 Operating Precautions 3 1 3 4 Connecting Output Lines 3 1 3 5 Monophonic Operation 3 3 3 6 Connecting Input Lines 3 5 3 7 Connecting Power 3...
Page 5: ...ier capable of 1000 watts into 1 ohm By adding an internal jumper for the bridge mono configuration the user can obtain 1000 watts into 4 ohms In stereo mode at 1 kHz the Micro Tech provides 500 watts...
Page 6: ...balanced 1 4 phone jacks Outputs color coded dual binding posts on standard 3 4 centers spaced 3 4 apart for bridge mono balanced output connection AC Line Two wire 20 A 120 V male connector with 5 f...
Page 7: ...dB 0 5 d B at maximum gain Input Sensitivity 2 2 volts unbalanced for 500 watts into 4 ohms 0 775 volt unbalanced for rated output see Section 5 1 Output Signal Unbalanced single channel Channel 1 co...
Page 8: ...on Parallel Mono Mode 8 4 and 2 Ohms 1000 900 atts 800 5 iwer 700 600 i n o A 4 0 h i t 8 o h L6 c hrr 10 100 IK Frequency in Hz 10K 100K Fig 2 4 Typical Power Output Bridged Mono Mode 16 8 and 4 Ohms...
Page 9: ...hm 8 0 milliohm 2 0 milliohm 0 5 milliohm T E C R O N 7 V R 10 Figs 2 8 2 9 and 2 10 were measured on a Tecron TEF System 10 Audio Analyzer Computer 12dB TECROW TEF 1 0 Fig 2 8 Typical Crosstalk 4 Fig...
Page 10: ...ild dish detergent a n d water replacement is not necessary 3 3 Operating Precautions Although your Micro Tech amplifier is well protected from any external faults we r e c o m m e n d these precautio...
Page 11: ...not use the Channel 2 input otherwise distortion may result Unplug the input to Channel 2 when operating in mono and turn the Channel 2 level control fully CCW Bridge Mono Operation Method B This meth...
Page 12: ...ch applications See Fig 3 9 Another problem to prevent is ground loops undesirable currents flowing in a grounding system possibly causing hum in the output A common form of 1 K n I O N D A w S m h y...
Page 13: ...ptible to damage only by overheating the best protection scheme is a fuse or circuit breaker having the same slow thermal response as the speaker i e a slow blow fuse 307 or two 309 in series 9 enviro...
Page 14: ...synchrony The two channels may be used together to double the voltage or the current presented to the load This feature gives the user flexibility in maximizing the power available to the load The Mi...
Page 15: ...ng current in the output stage When current at any one instant exceeeds the design criteria the limiters remove the drive from the LVAs thus limiting current in the output stage to a safe level To fur...
Page 16: ...h velocity fan for optimum cooling Included in your accessory kit is a low velocity fan that provides adequate cooling in most cases and produces less noise than the high velocity fan Crown has made r...
Page 17: ...RESISTORS ARE IN OHMS I 4W UNLESS OTHERWISE NOTED S ALL CAPACITORS ARE IN MICROFARADS UNLESS OTHERWISE NOTED 3 USE S 3K OHM IX 2SW MF RESISTOR FOR INPUT SENSITIVITY OF 770VRMS TO PRODUCE 2S0 WATTS IN...
