Table of Contents
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Operation Manual
Obtaining Other Language Versions: To obtain information in another language about the use of this product, please contact your
local Crown Distributor. If you need assistance locating your local distributor, please contact Crown at 574-294-8000.
This manual does not include all of the details of design, production, or variations of the equipment. Nor does it cover every possible
situation which may arise during installation, operation or maintenance.
The information provided in this manual was deemed accurate as of the publication date. However, updates to this information may have
occurred. To obtain the latest version of this manual, please visit the Crown website at www.crownaudio.com.
Trademark Notice: Crown, Amcron and ODEP are registered trademarks of Crown International. Grounded Bridge is a trademark of
Crown International. Other trademarks are the property of their respective owners.
Power-Tech .1 Series
Some models may be exported under the name Amcron.
©2002 by Crown Audio, Inc. P.O. Box 1000, Elkhart, Indiana 46515-1000 U.S.A. Telephone: 574-294-8000
Power-Tech 1.1
Power-Tech 2.1
Power-Tech 3.1
®
132800-2
2/02
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Table of Contents
Related Manuals for Crown Power-Tech 1.1
Summary of Contents for Crown Power-Tech 1.1
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Page 1: Operation Manual
Trademark Notice: Crown, Amcron and ODEP are registered trademarks of Crown International. Grounded Bridge is a trademark of Crown International. Other trademarks are the property of their respective owners. ©2002 by Crown Audio, Inc. P.O. Box 1000, Elkhart, Indiana 46515-1000 U.S.A. Telephone: 574-294-8000 ®... -
Page 2: Important Safety Instructions
Important Safety Instructions Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not use this apparatus near water. Clean only with a dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturer’s instruc- tions. -
Page 3: Table Of Contents
Power-Tech .1 Series Power Amplifiers Table of Contents Important Safety Instructions ... 2 Table of Contents ... 3 1 Welcome ... 4 1.1 Features... 4 2 How to Use This Manual ... 4 3 Setup... 5 3.1 Unpack Your Amplifier ... 5 3.2 Install Your Amplifier ... -
Page 4: Welcome
page 4 1 Welcome • Safe with any load. Bridge-Mono and Parallel-Mono modes make it easy to opti- Congratulations on purchasing a Crown mize the amplifier’s performance for a wide Power-Tech™.1 Series amplifier. Power-Tech .1 range of loads. Series amplifiers are compact, professional •... -
Page 5: Setup
Power-Tech .1 Series Power Amplifiers 3 Setup 3.1 Unpack 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. -
Page 6: Choose Input Wire And Connectors
3 Setup 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. If you chose the MT-BB input barrier strip option, use bare wire or spade lugs at the ampli- fier inputs. -
Page 7: Choose Output Wire And Connectors
Power-Tech .1 Series Power Amplifiers 3 Setup 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. Use bare wire, a dual banana plug or spade lugs on the amplifier end of each speaker cable (Figure 3.5). -
Page 8: Wire Your System
3 Setup 3.6 Wire Your System 3.6.3 Parallel-Mono Mode Turn down the Level controls (fully counter- CAUTION: Parallel-Mono wiring requires clockwise) and turn off the amplifier before wir- installation of a jumper wire. Do not ing it as described below. Refer to Figure 3.6. switch to Stereo or Bridge-Mono mode until this output jumper wire is removed. -
Page 9: Set Input Sensitivity
1.4 volts or a voltage gain of 26 dB. The 26 dB gain setting is equivalent to a sensitivity of 2.1 volts for the Power-Tech 1.1, 2.6 volts for the Power-Tech 2.1 and 3.3 volts for the Power-Tech 3.1. -
Page 10: Front Panel Controls And Indicators
4 Operation 4.2 Front Panel Controls and Indicators The diagram below explains the controls and indicators on the front panel of the Power-Tech .1 Series. A. Level Controls Continuously variable level controls for each channel. B. SPI/IOC Indicator Dual-function indicator for each channel flashes green for signal presence (SPI) and yellow if any distortion exceeds 0.05% (IOC). -
Page 11: Back Panel Controls And Connectors
CTs Multi-Channel Power Amplifiers 4 Operation 4.3 Back Panel Controls and Connec- tors The diagram below explains the controls and connec- tors on the back panel of the Power-Tech .1 Series. F. Stereo/mono Switch Stereo/mono switch for selecting Stereo, Bridge-Mono or Parallel-Mono modes. - Page 12 CTs Multi-Channel Power Amplifiers This page intentionally left blank. page 12 Operation Manual...
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Page 13: Advanced Features And Options
The circuit breaker is built into the power switch for all Power-Tech 1.1, Power- Tech 2.1 and 220/240 VAC Power-Tech 3.1 amplifiers. The circuit breaker is located on the back panel of 100/120 VAC Power-Tech 3.1... -
Page 14: Option
If a breaker trips, try to identify and cor- rect the problem before resetting the breaker. The breaker for the Power-Tech 1.1 and 2.1 can be reset using the front panel power switch. The circuit breaker for a Power-Tech 3.1 can be reset using the back panel reset switch. -
Page 15: Troubleshooting
Power-Tech .1 Series Power Amplifiers 6 Troubleshooting Green Lit Yellow Lit Operation Manual CONDITION: No power to the amplifier. POSSIBLE REASON: • The amplifier's Power switch is off. • The amplifier is not plugged into the power receptacle. • The amplifier's low-voltage power supply fuse has blown. -
Page 16: Specifications
Parallel Mono Voltage Gain (at maximum level setting) 0.775V sensitivity 1.4V sensitivity Required AC Mains (configured country-specific) Power Draw at Idle (configured country-specific) page 16 Power-Tech 1.1 Power-Tech 2.1 Power-Tech 1.1 Power-Tech 2.1 ± 0.1 dB ± 0.1 dB ± 10°... - Page 17 Weight (120VAC, 60 Hz units) Net Weight Shipping Weight Weight (International units) Net Weight Shipping Weight Operation Manual Power-Tech 1.1 Power-Tech 2.1 Flow-through ventilation from Flow-through ventilation from front to side panels front to side panels Internal heat sinks with forced-air cooling...
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Page 18: Service
8 Service Crown amplifiers are quality units that rarely require servicing. Before returning your unit for servicing, please contact Crown Factory Ser- vice to verify the need for servicing. This unit has very sophisticated circuitry which should only be serviced by a fully trained tech- nician. -
Page 19: Warranty
Power-Tech .1 Series Power Amplifiers 9 Warranty 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 the date of purchase by the original purchaser (the “warranty period”) that the new Crown product is free of defects in materials and workmanship. - Page 20 9 Warranty 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 product, for a period of three (3) years from the date of pur- chase by the original purchaser (the “warranty period”) that the new Crown product is free of defects in materials and workmanship, and we...
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Page 21: Factory Service Information Form
Power-Tech .1 Series Power Amplifiers Owner’s Name : __________________________________________________________________________________________________________________________________________________________________ Shipping Address: ________________________________________________________________________________________________________________________________________________________________ Phone Number: ____________________________________Fax Number: _______________________________ Email:______________________________________________________________________________ Model: ____________________________________________________________________________________ Serial Number: _______________________________________________________________________ Purchase Date : __________________________________________________________________________________________________________________________________________________________________ (Be sure to describe the conditions that existed when the problem occurred and what attempts were made to correct it.) ____________________________________________________________________________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________... - Page 22 Power-Tech .1 Series Power Amplifiers page 22 Operation Manual...
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