Related Manuals for Clear-Com ENCORE AMS-1027
Summary of Contents for Clear-Com ENCORE AMS-1027
- Page 1 CLEAR-COM ENCORE AMS-1027 AMPLIFIED MONITOR SPEAKER I N S T R U C T I O N M A N U A L...
- Page 2 Room 1806, Hua Bin Building No. 8 Yong An Dong Li Jian Guo Men Wai Ave Chao Yang District Beijing, P.R. China 100022 ® Clear-Com, CellCom/FreeSpeak and the Clear-Com Communication Systems logo are registered trademarks of The Vitec Group plc.
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Page 3: Table Of Contents
CONTENTS OPERATION ........1-1 Description . - Page 4 SPECIFICATIONS........4-1 AMS-1027 Amplified Speaker Station ......4-1 LIMITED WARRANTY .
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Page 5: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS 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 dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. - Page 6 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN This symbol alerts you to the presence of uninsulated dangerous voltage within the product's enclosure that might be of sufficient magnitude to constitute a risk of electric shock. Do not open the product's case. This symbol informs you that important operating and main- tenance instructions are included in the literature accompanying this product.
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Page 7: Operation
Equipped with electronically balanced 3-pin XLR inputs or unbalanced monitoring, even in line-level RCA inputs, the AMS-1027 enables you to easily monitor a variety of high-noise environments. audio sources. Its input limiter minimizes speaker distortion, and separate channel volume controls allow easy adjustment of stereo signals or two discrete monophonic signals. -
Page 8: Features
Figure 1-2: Interior of AMS-1027 Unit FEATURES • Selectable monitoring of one stereo analog signal in one unit • Although only one rack space high, the AMS-1027 produces 96 dB SPL at 2 feet • Volume/Balance controls are standard, internally configurable as A-volume/B-volume •... -
Page 9: Applications
Maintenance Chapter of this manual. FRONT PANEL CONTROLS AND INDICATORS Please refer to Figure 1-3 to familiarize yourself with the AMS-1027’s front-panel controls and indicators. The following sections describe the functions of each of the various controls and indicators found on the front panel and are referenced, by number, to Figure 1-3. -
Page 10: Internal Speakers
The power indicator LED signals the operating condition of the power supply. illustrated in Figure 1-3. The LED glows green to indicate the AMS-1027 is connected to mains power and an operating voltage is present. Headphone Jack For critical listening or for listening in high noise environments, use the stereo headphone feature rather than the internal speakers. -
Page 11: Rear Panel Connectors And Settings
Please refer to Figure 1-4 to familiarize yourself with the rear panel features of the AMS-1027 unit. The following sections describe the functions of each of the various features found on the rear panel and are referenced, by letter, to Figure 1-4. -
Page 12: Rca Connectors For Unbalanced Inputs On Channels A And B
Panel-mounted female RCA connectors are used. VOL/BAL TO A-VOL/B-VOL RETROFIT INSTRUCTIONS The AMS-1027 is configured at the factory with Volume/Balance controls. To change the function of the Volume/Balance controls on the front panel to an “A” Volume/“B” Volume (left and right) configuration, follow the instructions... - Page 13 Figure 1-5: Locate the volume/balance cable Figure 1-6: Unplug the cable from jumper 18 and plug it into jumper 16 1 - 7 A M S - 1 0 2 7 A M P L I F I E D S P E A K E R S T A T I O N...
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Page 14: Installation
INSTALLATION QUICK START You can install the AMS-1027 in four easy steps: 1. Slide and secure the unit into the rack. 2. Connect the audio signals to the XLR or RCA input connectors. 3. Plug the unit’s supplied IEC-320 power cord into the AC mains. -
Page 15: Electrical Interference
ELECTRICAL INTERFERENCE As with any audio equipment, maximum immunity from electrical interference requires the use of balanced, shielded cable; however, satisfactory results can sometimes be obtained without it. The internal circuitry common is connected to the chassis. Unbalanced sources may also be applied to the balanced inputs. The gain is 6 dB greater with a single-ended source connected across both “hot”... -
Page 16: Maintenance
Due to our unique method of shielding, the magnetic shielding is usually If you disassemble the degraded slightly by any disassembly of the unit, except removal of the rear panel. AMS-1027 unit, you may Almost any maintenance or repair will require removal of the cover. If an impair the unit’s magnetic... -
Page 17: General Level Meter And Level Gain Calibration Observations
any of the drivers (speakers) are replaced, it may be necessary to change some of these components to achieve maximum flatness of response. The operating threshold of the woofer limiter is critical to both satisfactory reproduction of musical transients and preventing damage to, or destruction of, the speaker itself. -
Page 18: Limiting Circuitry
rise, which decreases the audio level of the VCA. For the standard volume/balance configuration, the right hand control board is plugged into J18. To implement the optional A volume/B volume configuration, the right hand control board is plugged into J16. For instructions, see “Vol/Bal to A-Vol/B-Vol Retrofit Instructions”... -
Page 19: Ams-1027 Interconnect Block Diagram
AMS-1027 INTERCONNECT BLOCK DIAGRAM Figure 3-1: Interconnect Block Diagram A M S - 1 0 2 7 A M P L I F I E D S P E A K E R S T A T I O N... -
Page 20: Left And Right Meter Driver Pca Component Layout Drawings
LEFT AND RIGHT METER DRIVER PCA COMPONENT LAYOUT DRAWINGS Left Meter Driver PCA Layout Drawing Right Meter Driver PCA Layout Drawing Figure 3-2: Left and Right Meter Driver PCA Component Layout Drawings 3 - 5 A M S - 1 0 2 7 A M P L I F I E D S P E A K E R S T A T I O N... -
Page 21: Ams-1027 Left And Right Meter Driver Pca Schematic
AMS-1027 LEFT AND RIGHT METER DRIVER PCA SCHEMATIC Figure 3-3: Left and Right Meter Driver Schematic A M S - 1 0 2 7 A M P L I F I E D S P E A K E R S T A T I O N... -
Page 22: Ams-1027 Main Audio Pca Component Layout Drawing
AMS-1027 MAIN AUDIO PCA COMPONENT LAYOUT DRAWING Figure 3-4: AMS-1027 Main Audio PCA Component Layout Drawing 3 - 7 A M S - 1 0 2 7 A M P L I F I E D S P E A K E R S T A T I O N... - Page 23 Figure 3-5: AMS-1027 Main Audio PCA Schematic A M S - 1 0 2 7 A M P L I F I E D S P E A K E R S T A T I O N 3 - 8...
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Page 24: Specifications
SPECIFICATIONS AMS-1027 AMPLIFIED SPEAKER STATION 0 dBu is referenced to 0.775 volts RMS Input impedance 100KΩ balanced Input level for full output (volume full on) 0dBu balanced, -10dBu unbalanced Meter calibration range -10 to +10dBu for “0” reading Hum and noise Better than -70dB below full output Acoustic freq. - Page 25 Weight 7.5 lbs. (3.4 kg) Notice About Specifications While Clear-Com makes every attempt to maintain the accuracy of the information contained in its product manuals, that information is subject to change without notice. Performance specifications included in this manual are design-center specifications and are included for customer guidance and to facilitate system installation.
- Page 26 4 - 3 A M S - 1 0 2 7 A M P L I F I E D S P E A K E R S T A T I O N...
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Page 27: Limited Warranty
• UHF wireless intercom systems have a limited warranty of three years. • All other Clear-Com and Drake brand systems and products, including beltpacks, have a limited warranty of two years. The warranty starts at the time of the product’s original purchase. The warranty... -
Page 28: Warranty Repairs And Returns
such agreement. For more information, contact your authorized dealer, distributor, or sales representative. Instructions for reaching VGC’s User Support Centers are given below. Telephone for Europe, Middle East and Africa: +49 40 6688 4040 Telephone for the Americas and Asia: +1 510 337 6600 Email: vitec.support@AVC.de Once the standard warranty period has expired, the User Support Center will continue to provide telephone support if you have purchased an Extended... -
Page 29: Service Contract
years the warranty of any product offered with a standard two-year warranty. The total warranty period will not extend beyond five years. Any purchase of an extended warranty provides 24 x 7 customer support in addition to the warranty immediately upon purchase of the warranty extension. Note: VGC does not offer warranty extensions on UHF wireless intercom systems, or on any product with a 1-year or 90-day warranty. - Page 30 of customer furnished components resulting in damage to VGC provided product. This limited warranty is not transferable and cannot be enforced by anyone other than the original consumer purchaser. This warranty gives you specific legal rights and you may have other rights which vary from country to country.
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