Lexicon LX-7 User Manual
Lx power amplifiers
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Also See for LX-7:
- User manual (26 pages) ,
- Specifications (2 pages) ,
- Reference manual (1 page)
Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for Lexicon LX-7
Summary of Contents for Lexicon LX-7
- Page 1 User Guide...
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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 instructions. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatuses that produce heat. - Page 3 Customer Support 781-280-0300 This document should not be construed as a commitment on the part of Lexicon, Inc. The information it contains is subject to change without notice. Lexicon, Inc. assumes 781-280-0495 (Sales) no responsibility for errors that may appear within this document.
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Page 4: Table Of Contents
Introduction Lexicon Introduction Section 1: Getting Started About the LX Power Amplifiers ..... . . 1-2 Highlights Unpacking and Inspection .....viii Using the Documentation . -
Page 5: Introduction
Introduction LX Power Amplifiers DESEMPAQUETANDO E INSPECCIÓN UNPACKING AND INSPECTION Después de desempaquetar la unidad, ahorra todos los materiales After unpacking the unit, save all packing materials in case the unit del embalaje en caso de que usted alguna vez necesita enviar la ever needs to be shipped. -
Page 6: Getting Started
Getting Started About the LX Power Amplifiers .............1-2 Highlights Using the Documentation .............1-3 User Guide Symbols Product Registration..............1-3 Location Considerations ..............1-3... -
Page 7: About The Lx Power Amplifiers
Protection against short circuits, device failures, miswiring, and internal faults The LX amplifiers offer high-power output that can be configured for almost any system. The LX-7 has seven 200W channels, and the • Stable with mismatched, reactive, or unusual loads LX-5 has five 200W channels. -
Page 8: Using The Documentation
The amplifiers should be installed in an precautions. equipment rack using an optional rack-mount kit available from Lexicon dealers or www.lexicon.com. Leave at least 2 inches of open space around the top, sides, and rear of the amplifier for USER GUIDE SYMBOLS proper ventilation. -
Page 9: Basic Operation
Basic Operation Front Panel Overview ..............2-2 Rear Panel Overview ..............2-4 Cooling System................2-8 Protection Modes................2-8 Thermal Protection • DC Protection... -
Page 10: Front Panel Overview
Basic Operation Lexicon FRONT PANEL OVERVIEW 1. Standby Button Note: Toggles the amplifier between on and standby. When the If the red standby LED flashes rapidly and the blue amplifer is on, pressing this button places it into standby and channel status LEDs do not light, the incoming AC lights the red LED. - Page 11 Basic Operation LX Power Amplifiers 2. Channel Status LEDs will automatically resume outputting audio. See Section 3 for troubleshooting information. Indicate the status of each channel as follows: • Constant red indicates a fault in the channel. See Section 3 •...
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Page 12: Rear Panel Overview
Basic Operation Lexicon REAR PANEL OVERVIEW The LX-7 rear panel is pictured above. The LX-5 rear panel is pictured on page 2-6. Both are identical, except the LX-7 features two additional channels. External wiring connected to connectors marked with the... - Page 13 Basic Operation LX Power Amplifiers 1. Power Switch 4. OUTPUT 1 to 7 (LX-7) or 1 to 5 (LX-5) Disconnects power to the AC Input Connector. Set this switch Provide audio output for the speakers. OUTPUT connectors can to off when making or breaking connections to the amplifier, accept bare speaker wires, banana plug connectors, or certain or changing the setting of the MODE switch.
- Page 14 Basic Operation Lexicon REAR PANEL OVERVIEW (continued) The LX-5 rear panel is pictured above. The LX-7 rear panel is pictured on page 2-4. Both are identical, except the LX-7 features two additional channels. External wiring connected to connectors marked with the...
- Page 15 Basic Operation LX Power Amplifiers 5. MODE Switch 8. TRIGGER INPUT (continued from page 2-5) Make sure the amplifier is powered off when the MODE switch Enables the amplifier to be controlled by the MC-12 or setting is changed. other external devices with a 12V DC trigger output. Connect the trigger output of the external device to the TRIGGER INPUT of the amplifer, and set the TRIGGER switch on the amplifier to INPUTs and OUTPUTs used in (BRIDGED) mode are labelled in...
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Page 16: Cooling System
Basic Operation Lexicon COOLING SYSTEM JTS’s dynamic nature enables it to avoid the problems inherent in competing products that rely only on heatsink temperatures. The LX Power Amplifiers use temperature controlled fans to Heatsink temperatures do not always correlate to the temperatures exhaust heat. - Page 17 Basic Operation LX Power Amplifiers DC PROTECTION Each channel includes DC protection to prevent DC and frequencies below 10Hz from reaching the speakers. If this protection activates, the output relay will click off and the corresponding front panel channel status LED will no longer be lit. After approximately 4-seconds,...
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Page 18: Section 3: Troubleshooting And Maintenance
Troubleshooting and Maintenance Troubleshooting ................3-2 Maintenance .................3-3... -
Page 19: Troubleshooting
2-5). A CHANNEL STATUS LED IS LIT RED THE TRIGGER INPUT IS CONNECTED TO AN EXTERNAL 1. Contact an authorized Lexicon dealer or Lexicon customer DEVICE, BUT THE AMPLIFIER DOES NOT POWER ON AND OFF service. WITH THE EXTERNAL DEVICE 1. -
Page 20: Maintenance
Troubleshooting and Maintenance LX Power Amplifiers IF ALL ELSE FAILS . . . 1. Contact an authorized Lexicon dealer. 2. Contact Lexicon customer service. Note: Visit www.lexicon.com for answers to frequently asked questions and additional troubleshooting information. MAINTENANCE The following routine maintenance should be performed on a periodic basis: •... -
Page 21: Appendix
Appendix Specifications ................A-2 Declaration of Conformity ............A-3... -
Page 22: Specifications
Appendix Lexicon SPECIFICATIONS Audio Inputs Performance (continued) Other LX-7 7 RCA, 7 XLR (including Frequency 20Hz to 20kHz ±0.1dB Trigger Input 12V DC +/- 10% 1/4-inch Tip/Ring/Sleeve) Response 10Hz to 100kHz +0.5/-3dB Power 120V 60Hz 20A LX-5 5 RCA, 5 XLR (including Below 0.02%,... -
Page 23: Declaration Of Conformity
Lexicon, Inc. 3 Oak Park Bedford, MA 01730-1441 USA The equipment identified here conforms to the Directive(s) and Standard(s) specified above. Type of Equipment: LX-5 and LX-7 Power Amplifiers Model: Lexicon LX-5 and LX-7 Date: September 1, 2001 Lexicon, Inc. -
Page 24: Index
Index AC Input Connector ..... . .2-5 INPUTs ....... . .2-5 Registration . -
Page 25: Limited Warranty
How is Service Obtained? What Certain Damages are Excluded? When this product needs service, write, telephone, or fax Lexicon’s liability for a defective product is limited to repair or What is Covered? Lexicon, Inc. to request information about where the unit replacement of that product, at our option. - Page 26 Lexicon, Inc. 3 Oak Park Bedford, MA 01730-1441 USA 781-280-0300 781-280-0490 www.lexicon.com Customer Support 781-280-0300 781-280-0495 (Sales) 781-280-0499 (Service) Lexicon Part No. 070-14876 | Rev 1 | 09/01...
- Page 27 PRODUCT REGISTRATION Please register this product within 15 days of purchase. To do so, complete and return this card or register online at www.lexicon.com. This card serves no warranty purposes. Retain the sales receipt for proof of coverage. Mrs. Miss...
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