Amphony L1550 User And Installation Manual
5.8 ghz digital wireless audio transmitter / amplifier
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Also See for L1550:
- Product information (4 pages) ,
- Frequently asked questions (5 pages) ,
- Specifications (4 pages)
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Summary of Contents for Amphony L1550
- Page 1 User and Installation Guide 5.8 GHz DIGITAL Wireless Audio Transmitter / Amplifier Model 1550...
- Page 2 Do not connect the large AC adapter to the transmitter. Copyright (C) 2004 Amphony. All rights reserved. The information contained herein is subject to change without notice. Revisions may be issued to advise of such changes and/or additions.
- Page 3 User and Installation Guide Using the transmitter RCA audio input: Transmitter Using the transmitter speaker audio input: Transmitter SPEAKER OUT Audio Source DC 9V AC adapter AUDIO LINE OUT Audio Source DC 9V AC adapter DC 9 V 300 mA Power outlet DC 9 V 300 mA...
- Page 4 User and Installation Guide Step 2 Step 2 Connecting the amplifiers Connect the DC power input of each amplifier with the supplied large 24 V AC adapter (wallwart). The use of a surge protector is recommended to protect the amplifiers from power surges which may damage the amplifiers and connected speakers or may cause audio dropouts.
- Page 5 User and Installation Guide Step 3 Step 3 Placing the transmitter and amplifiers For best reception, we recommend that each amplifier be placed within the line of sight from the transmitter. If possible, each amplifier should be placed right side up with its front toward the transmitter. The transmitter should be placed at an elevation such that there are no obstacles between the transmitter and amplifiers (line of sight) in an area where there will be the least amount of traffic.
- Page 6 User and Installation Guide Step 4 Step 4 Operating the transmitter After powering up the transmitter, the transmit light will go on for approximately five seconds while the transmitter initializes. After initialization, the transmit light will go out. Initially, set the transmitter volume control to a middle setting. Once audio is detected at the audio input, the transmit light will go on and the transmitter will transmit the audio signal.
- Page 7 User and Installation Guide Step 5 Step 5 Operating the amplifiers As soon as a valid transmitter signal is received by the amplifiers, the amplifiers will output the amplified audio signal to the speaker outputs. The amplfier marked “LEFT” will output the left audio channel and the amplifier marked “RIGHT” will output the right channel.
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Page 8: Troubleshooting
User and Installation Guide Troubleshooting Problem Possible Cause The transmit light Faulty AC adapter does not go on after or faulty power outlet DC power is applied to the transmitter The transmit light No audio present at goes out after a few audio input seconds and does not light again... - Page 9 Transmitter range is Strong interference extremely short Too many obstacles For more information, including a detailed troubleshooting guide, visit the Amphony web site at: www.amphony.com Solution In some cases, there may be strong interference preventing proper reception of the audio signal which can be caused by 5.8 GHz cordless...
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Page 10: Technical Specifications
User and Installation Guide Technical Specifications Transmitter: Audio transmission method: Digital Transmitter frequency: 5.8 GHz Signal-to-noise ratio (A-weighted): typ. 93 dB Dynamic range: typ. 93 dB Error correction: 1/2 rate FEC Audio sampling method: 64 times oversampling Transmitted data rate: > 3 Mbps Transmitter operating range: max. -
Page 11: Important Safety Information
• Do not attempt to service the unit yourself. If liquid or any metal objects such as paper clips, wire or staples accidentally fall inside, disconnect the product from the power source immediately, and consult an authorized service center. • Please refer any service to an authorized Amphony service center. ATTENTION! Page 10... -
Page 12: Limited Warranty
This warranty extends only to the original user of the equipment (“you”, ”your”) and is limited to the purchase price of each part. Amphony and its affiliated companies (”we”, ”our”, ”us”) warrant this Wireless Transmitter / Amplifier Set against defects in materials or workmanship as follows.
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