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Alesis RA150-500 Reference Manual © Copyright 2000, Alesis Studio Electronics, Inc. ALESIS CONTACT INFORMATION Alesis Studio Electronics, Inc. 1633 26th Street Santa Monica, CA 90404 USA Do not use this address for repair service. "RA150/300/500" and "Reference Series" are trademarks of Alesis Studio Electronics, Inc. All rights reserved. Reproduction in whole or in part is prohibited. Telephone: E-Mail: Website: 800-5-ALESIS (800-525-3747) support@alesis.com http://www.alesis.com
Alesis RA150-500 Reference Manual © Copyright 2000, Alesis Studio Electronics, Inc. ALESIS CONTACT INFORMATION Alesis Studio Electronics, Inc. 1633 26th Street Santa Monica, CA 90404 USA Do not use this address for repair service. "RA150/300/500" and "Reference Series" are trademarks of Alesis Studio Electronics, Inc. All rights reserved. Reproduction in whole or in part is prohibited. Telephone: E-Mail: Website: 800-5-ALESIS (800-525-3747) support@alesis.com http://www.alesis.com
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...Amplifier topology 7 Protection Circuitry 7 About this manual 8 CONNECTIONS 9 Unpacking and Inspection 9 Power Considerations 9 The AC Cord and Grounding 9 120 Volt/230 Volt Operation 10 Fuse 10 Electrical Service to the RA150/300/500... 10 Operating Environment...21 On-Off Switch 21 Mute Switch 21 Protect/Clip Indicators 22 Meters (RA300 and RA500 only 22 Back Panel Controls 22 AC Voltage Switch 22 Stereo/Bridged Mono Switch 22 Checking... Cleaning 28 Refer All Servicing to Alesis 28 Obtaining Repair Service 29 Customers outside the USA and Canada 29 SPECIFICATIONS 30 INDEX 34...
...Amplifier topology 7 Protection Circuitry 7 About this manual 8 CONNECTIONS 9 Unpacking and Inspection 9 Power Considerations 9 The AC Cord and Grounding 9 120 Volt/230 Volt Operation 10 Fuse 10 Electrical Service to the RA150/300/500... 10 Operating Environment...21 On-Off Switch 21 Mute Switch 21 Protect/Clip Indicators 22 Meters (RA300 and RA500 only 22 Back Panel Controls 22 AC Voltage Switch 22 Stereo/Bridged Mono Switch 22 Checking... Cleaning 28 Refer All Servicing to Alesis 28 Obtaining Repair Service 29 Customers outside the USA and Canada 29 SPECIFICATIONS 30 INDEX 34...
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... Chapter 2: Connections. This symbol indicates that this user's manual carefully. HOW TO USE THIS MANUAL This manual is vital when operating the RA150/300/500. 2 RA150/300/500 Reference Manual If you for purchasing this Alesis RA150, RA300, or RA500™ Reference Series power amplifier. When something important appears in... manual, an icon (like the one -page guide to start using the RA150/300/500 right away, here's a one on the left margin. This section explains how to a variety of contents to look up and trying it out. This chapter contains troubleshooting tips and service...
... Chapter 2: Connections. This symbol indicates that this user's manual carefully. HOW TO USE THIS MANUAL This manual is vital when operating the RA150/300/500. 2 RA150/300/500 Reference Manual If you for purchasing this Alesis RA150, RA300, or RA500™ Reference Series power amplifier. When something important appears in... manual, an icon (like the one -page guide to start using the RA150/300/500 right away, here's a one on the left margin. This section explains how to a variety of contents to look up and trying it out. This chapter contains troubleshooting tips and service...
User Manual
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...in a well-ventilated area with at least six inches of uninsulated voltage within the unit that could cause permanent hearing loss. Servicing is required when the apparatus has been damaged in the ears, you should consult an audiologist. Do not operate for replacement...headphones or speakers, may damage the front panel controls or cause a dangerous condition. 7. Keep these instructions. 2. RA150/300/500 Reference Manual 3 This product, in accordance with a damp cloth. Introduction/Safety Instructions IMPORTANT SAFETY INSTRUCTIONS SAFETY SYMBOLS USED IN THIS PRODUCT This symbol ...
...in a well-ventilated area with at least six inches of uninsulated voltage within the unit that could cause permanent hearing loss. Servicing is required when the apparatus has been damaged in the ears, you should consult an audiologist. Do not operate for replacement...headphones or speakers, may damage the front panel controls or cause a dangerous condition. 7. Keep these instructions. 2. RA150/300/500 Reference Manual 3 This product, in accordance with a damp cloth. Introduction/Safety Instructions IMPORTANT SAFETY INSTRUCTIONS SAFETY SYMBOLS USED IN THIS PRODUCT This symbol ...
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The shipping carton should contain the following items: • RA150/300/500 amplifier • This instruction manual • Power cable • Alesis Warranty card POWER CONSIDERATIONS THE AC CORD AND GROUNDING The RA150/300/500's IEC-spec AC cord (do not substitute any shipping ...that the packing materials are preserved for you. If damage is discovered and the amplifier was shipped to return your RA150/300/500 for servicing, or for transporting the amplifier when it is designed to connect to determine this for inspection. you , immediately contact the transportation carrier and...
The shipping carton should contain the following items: • RA150/300/500 amplifier • This instruction manual • Power cable • Alesis Warranty card POWER CONSIDERATIONS THE AC CORD AND GROUNDING The RA150/300/500's IEC-spec AC cord (do not substitute any shipping ...that the packing materials are preserved for you. If damage is discovered and the amplifier was shipped to return your RA150/300/500 for servicing, or for transporting the amplifier when it is designed to connect to determine this for inspection. you , immediately contact the transportation carrier and...
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... power consumption at 5mm diameter x 20mm: Model RA150 RA300 RA500 100-120 volt T3.15AL250V T6.3AL250V T10AL250V 220-240 volt...a circuit breaker. Connections: Chapter 2 120 VOLT/230 VOLT OPERATION The Alesis Reference Series amplifiers feature dualvoltage operation. Before connecting the amplifier to AC...powered consumption units such as in the first place. 10 ELECTRICAL SERVICE TO THE RA150/300/500 One of the most circumstances, normal...amp in areas with 120V power (as RA150/300/500 Reference Manual Electrical standards have wiring that this switch is capable of the correct...
... power consumption at 5mm diameter x 20mm: Model RA150 RA300 RA500 100-120 volt T3.15AL250V T6.3AL250V T10AL250V 220-240 volt...a circuit breaker. Connections: Chapter 2 120 VOLT/230 VOLT OPERATION The Alesis Reference Series amplifiers feature dualvoltage operation. Before connecting the amplifier to AC...powered consumption units such as in the first place. 10 ELECTRICAL SERVICE TO THE RA150/300/500 One of the most circumstances, normal...amp in areas with 120V power (as RA150/300/500 Reference Manual Electrical standards have wiring that this switch is capable of the correct...
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... The other is "dirty" and contains noise, it . For really tough cases, you may end up radio frequencies. RA150/300/500 Reference Manual However, it sacrifices the safety factor the AC ground wire provides. Transformers generally have a small amount of resistance, small amounts of noise can ...ground is to use a balancing transformer or direct box as shown below. Device A shielded cable path 1 Device B path 2 To AC power service One path goes from ground at some do this by plugging all equipment into it might get picked up by a phenomenon known as a ground ...
... The other is "dirty" and contains noise, it . For really tough cases, you may end up radio frequencies. RA150/300/500 Reference Manual However, it sacrifices the safety factor the AC ground wire provides. Transformers generally have a small amount of resistance, small amounts of noise can ...ground is to use a balancing transformer or direct box as shown below. Device A shielded cable path 1 Device B path 2 To AC power service One path goes from ground at some do this by plugging all equipment into it might get picked up by a phenomenon known as a ground ...
User Manual
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...in and out Unit shuts down, all lamps are connected to ground as Formula 409™ or Fantastik™. NO USER-SERVICEABLE PARTS INSIDE. 28 RA150/300/500 Reference Manual Make sure input cables are off power and let amplifier cool down Defective loudspeaker drivers Replace drivers In a multi-amplified system... this product should be made using current technology, and should problems occur, DO NOT attempt to clean the unit. REFER ALL SERVICING TO ALESIS We believe that the RA150/300/500 is one side disconnected, or no ground with one of the best amplifiers that can be ...
...in and out Unit shuts down, all lamps are connected to ground as Formula 409™ or Fantastik™. NO USER-SERVICEABLE PARTS INSIDE. 28 RA150/300/500 Reference Manual Make sure input cables are off power and let amplifier cool down Defective loudspeaker drivers Replace drivers In a multi-amplified system... this product should be made using current technology, and should problems occur, DO NOT attempt to clean the unit. REFER ALL SERVICING TO ALESIS We believe that the RA150/300/500 is one side disconnected, or no ground with one of the best amplifiers that can be ...
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... and make sure you've read the manual. Do not return products to return the unit. If you do so. Customers in the USA and Canada. OBTAINING REPAIR SERVICE Before contacting Alesis, check over all your name and a phone number where Alesis can contact you if necessary, as well...and Canada are not authorized during the warranty period, and repair attempts by the Alesis warranty. if appropriate, you have been given specific instructions to : Support@alesis.com RA150/300/500 Reference Manual 29 Shipping damage caused by inadequate packing is available for any repair covered under the...
... and make sure you've read the manual. Do not return products to return the unit. If you do so. Customers in the USA and Canada. OBTAINING REPAIR SERVICE Before contacting Alesis, check over all your name and a phone number where Alesis can contact you if necessary, as well...and Canada are not authorized during the warranty period, and repair attempts by the Alesis warranty. if appropriate, you have been given specific instructions to : Support@alesis.com RA150/300/500 Reference Manual 29 Shipping damage caused by inadequate packing is available for any repair covered under the...
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Index 120-volt to -balanced cable, 16 ungrounded outlets, 9 volume controls, 21 XLR input, 16 XLR input jacks, 13 34 RA150/300/500 Reference Manual See Repair Service, 29 Safety, 3, 24 shield telescoping, 24 sound level meter, 25 Specifications, 30 thermal protect mode, 27 transformer input, 17 transformers power, 7, 33 TRS jacks, 14...
Index 120-volt to -balanced cable, 16 ungrounded outlets, 9 volume controls, 21 XLR input, 16 XLR input jacks, 13 34 RA150/300/500 Reference Manual See Repair Service, 29 Safety, 3, 24 shield telescoping, 24 sound level meter, 25 Specifications, 30 thermal protect mode, 27 transformer input, 17 transformers power, 7, 33 TRS jacks, 14...
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... apply to you . ALESIS Los Angeles, California USA www.alesis.com PLEASE REGISTER YOUR PRODUCT ONLINE: WWW.ALESIS.COM Alesis, Los Angeles, CA USA © 2000 Alesis Specifications Subject To Change Without Notice 7-51-0097 11/00 RA150/300/500 Reference Manual 35 This warranty is ... is limited to failures arising during normal use that the product is enforceable only by a duly authorized Alesis service representative in the country of sale. ALESIS LIMITED WARRANTY ALESIS ("ALESIS") warrants this product to be free of defects in material and workmanship for a period of one ...
... apply to you . ALESIS Los Angeles, California USA www.alesis.com PLEASE REGISTER YOUR PRODUCT ONLINE: WWW.ALESIS.COM Alesis, Los Angeles, CA USA © 2000 Alesis Specifications Subject To Change Without Notice 7-51-0097 11/00 RA150/300/500 Reference Manual 35 This warranty is ... is limited to failures arising during normal use that the product is enforceable only by a duly authorized Alesis service representative in the country of sale. ALESIS LIMITED WARRANTY ALESIS ("ALESIS") warrants this product to be free of defects in material and workmanship for a period of one ...