Crown 160MA Operation Manual
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Crown 160MA Operation Manual

Commercial audio series mixer-amplifiers
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Commercial Audio Series
135MA
Operation Manual
160MA
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, Crown Audio, and Amcron are registered trademarks of Crown International. Other trademarks are the
property of their respective owners.
Some models may be exported under the name Amcron
®
®
©2008 by Crown Audio
, Inc., 1718 W. Mishawaka Rd., Elkhart, Indiana 46517-9439 U.S.A. Telephone: 574-294-8000
140497-1
2/08

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Summary of Contents for Crown 160MA

  • Page 1 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, Crown Audio, and Amcron are registered trademarks of Crown International. Other trademarks are the property of their respective owners.

  • Page 2: Important Safety Instructions

    Important Safety Instructions Importantes Instructions de Sécurité 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 accordance with the manufacturer’s instructions.

  • Page 3: Declaration Of Conformity

    Equipment Type: Commercial Audio Mixer-Amplifi ers Family Name: Commercial Audio Family Model Names: 135MA, 160MA EMC Standards: EN 55103-1:1995 Electromagnetic Compatibility - Product Family Standard for Audio, Video, Audio-Visual and Entertainment Lighting Control Apparatus for Professional Use, Part 1: Emissions EN 55103-1:1995 Magnetic Field Emissions-Annex A @ 10 cm and 1 M EN 61000-3-2:1995+A14:2000 Limits for Harmonic Current Emissions (equipment input current ≤16A per phase)

  • Page 4: Table Of Contents

    Table of Contents page 4 Important Safety Instructions... 2 Declaration of Conformity ... 3 1 Welcome ... 5 1.1 Features ... 5 1.2 Front Panel Controls and Indicators ... 6 1.3 Back Panel Controls, Connectors and Indicators... 7 2 Setup... 8 2.1 Installation...

  • Page 5: Welcome

    100V). Typical uses are paging, back- ground music, and music-on-hold. The 135MA provides 3 inputs (each with a volume control) and a 35W amplifi er output. The 160MA provides 4 inputs (each with a volume control) and a 60W amplifi er output. 1 kHz...

  • Page 6: Front Panel Controls And Indicators

    Commercial Audio Series Mixer-Amplifi ers F. Input Volume Controls: One per input, detented potentiometers with knobs. Four controls in 160MA; three controls in 135MA. G. Tone Controls: Bass and Treble non- detented recessed potentiometers under master output volume control. Bass ±10 dB at 100 Hz, Treble ±10 dB at 10 kHz.

  • Page 7: Back Panel Controls, Connectors And Indicators

    5. On: Routes CH1 to MOH output. 6. On: Routes CH2 to MOH output. 7. On: Routes CH3 to MOH output. 8. On: 15V phantom power. D: Input Connectors 2-4 (160MA) or 2-3 (135MA) Unbalanced line-level RCA-type connectors, summed to mono.

  • Page 8: Setup

    2 Setup 2.1 Installation 2.2 How to Attach the Unit to a Rack CAUTION: Before you begin, make sure 1. Order the optional Rack-Mount Kit from your your mixer-amplifi er is disconnected from Crown dealer. Part no. RM1 is a “single rack mount the power source, with power switch in the kit”...

  • Page 9: Choose Input Wire And Connectors

    (two-conductor plus shield), 22-24 gauge cables and connectors. Unbalanced line may also be used but may result in noise over long cable runs. The 135MA and 160MA have two types of input connectors: Phoenix-type and RCA. • Mic/Line Connector (CH1): 5-pin Phoenix-type, balanced, pins 3, 4 and 5 (Figure 2.3).

  • Page 10: Choose Output Wire And Connectors

    If you have an external music source connected to the 135MA or 160MA, you can play its music over a phone line while the caller is on hold. Use the connection shown in Figure 2.8 (either 8 ohms or 600 ohms) to connect the mixer-amp to the Music-On-Hold input on your telephone system interface/PBX.

  • Page 11: Wire Your System

    Commercial Audio Series Mixer-Amplifi ers 2 Setup 2.4 Wire Your System Typical input and output wiring is shown in Figure 2.9. INPUTS: For Input 1, connect a microphone or balanced line-level signal to the Input 1 balanced input. Set the Mic/Line switch (DIP switch #1) accordingly.

  • Page 12: Operation

    3.2 Priority Muting If you want a microphone’s push-to-talk switch to mute the background music or other input signals, follow this procedure. On the back of the 135MA or 160MA, 1. Turn DIP switch 2 off. Turn DIP switch 3 on.

  • Page 13: Troubleshooting

    Commercial Audio Series Mixer-Amplifi ers 4 Troubleshooting CONDITION: No power to the mixer-amplifi er. POSSIBLE REASON: • The mixer-amplifi er’s Power switch is off. • The mixer-amplifi er is not plugged into the power receptacle. • The mixer-amplifi er’s high-voltage power sup- ply circuit breaker has tripped.

  • Page 14: Specifi Cations

    Line: > 60 dB. Telephone: > 60 dB. Inputs 2 or 3 (and 4 in 160MA): > 78 dB. THD + N < 0.5% at rated power at 1 kHz. < 0.1% at 5W at 1 kHz.

  • Page 15: Service

    Approval of estimate must be given within 30 days 3. When shipping your Crown product, it is after being notifi ed by Crown Audio Inc. Units still important that it has adequate protection. We in the possession of Crown after 30 days of the esti- recommend you use the original pack material mate will become the property of Crown Audio Inc.

  • Page 16: Warranty

    7 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 SUBSEQUENT 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 17 Commercial Audio Series Mixer-Amplifi ers 7 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 SUBSEQUENT 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...
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  • Page 19: Product Registration

    ________________________________ ________________________________ Product purchased from: *(Business/Individual) ___________________________ Country: _____________________ Comments__________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ Operation Manual PRODUCT REGISTRATION Crown Audio, Inc. Fax: 574-294-8329 1718 W Mishawaka Rd Elkhart IN 46517 OWNER’S INFORMATION - PLEASE PRINT PRODUCT INFORMATION * SERIAL # e.g. 8000000000...
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  • Page 21: Factory Service Information Form

    Billing address of credit card: __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ Operation Manual Crown Audio Factory Service Information Shipping Address: Crown Audio Factory Service, 1718 W. Mishawaka Rd., Elkhart, IN 46517 PLEASE PRINT CLEARLY Model: ____________________________________________ PRODUCT RETURN INFORMATION Fax #: ________________________________________ State/Prov: ________________________________...
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This manual is also suitable for:

135ma

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