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ZX-7 / RX-7 Power Amplifier
User Guide
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IMPORTANT SAFETY INSTRUCTIONS 1. Read these instructions. 12. Only use attachments/accessories specified by the maximum ambient operating temperature manufacturer. listed in the product specification. 2. Keep these instructions. 13. Use only with the cart, stand, tripod, bracket, or • Never attach audio power amplifier outputs 3. Heed all warnings. table specified by the manufacturer, or sold with the directly to any of the unit’s connectors. 4. Follow all instructions. apparatus. When a cart is
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Lexicon Inc. 3 Oak Park Drive Bedford, MA 01730-1413 USA Tel 781-280-0300 Fax 781-280-0490 www.hsgav.com Customer Service Telephone: 781-280-0300 Lexicon and the Lexicon logo are registered trademarks of Harman International Industries, Inc. U.S. Patent Nos. D454,553; Fax: 781-280-0499 D454,860; 5,796,844; 5,870,480 and other worldwide patents issued and pending. email: csupport@hsgav.com © 2007 Harman International Industries, Incorporated. All rights reserved. This document should not be cons
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Introduction Lexicon DOCUMENTATION CONVENTIONS This document contains general safety, installation and operation instructions for the RX-7 and ZX-7 Power Amplifiers. It is important to read this user guide before attempting to use the product. Pay particular attention to safety instructions. The following symbols are used in the document: Appears on the component to indicate the presence of uninsulated, dangerous voltage inside the enclosure – voltage that may be sufficient to constitute a risk
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ZX-7 / RX-7 Introduction Table of Contents Getting Started About The ZX-7 and RX-7 ......................................................... 1-2 Product Registration.................................................................. 1-2 Highlights ................................................................................. 1-3 Installation Considerations......................................................... 1-3 Basic Operation Front-Panel Overview .........................................
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1 Getting Started About The ZX-7 and RX-7 .......................................................... 1-2 Product Registration................................................................... 1-2 Highlights .................................................................................. 1-3 Installation Considerations.......................................................... 1-3
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Getting Started Lexicon ABOUT THE ZX-7 AND RX-7 Congratulations and thank you for purchasing your new Lexicon be controlled with associated components such as the MC-12HD or Power Amplifier. This is a reference-quality amplifier designed to MC-8 Digital Controllers. The ZX-7 and RX-7 amplifiers include meet the highest standards of power and performance under the advanced optically coupled protection for each channel. most extreme operating conditions. Equipped with advanced thermal, current, DC
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ZX-7/RX-7 Getting Started HIGHLIGHTS INSTALLATION CONSIDERATIONS � ZX-7: 300 Watts per channel @ 8 Ohms To ensure optimal performance, pay particular attention to the RX-7: 200 Watts per channel @ 8 Ohms instructions below and to other precautions that appear throughout this user guide. � Dual oversized toroidal power transformers with extraordinarily low DC resistance and thermal protection DO be careful when moving the amplifier, as it is very heavy. � High-power supply voltage for extra hea
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2 Basic Operation Front-Panel Overview ................................................................ 2-2 Standby Button ........................................................................................ 2-3 Rear-Panel ZX-7 230 VAC Overview .......................................... 2-4 Rear-Panel ZX-7 120 VAC Overview .......................................... 2-5 Rear-Panel RX-7 Overview ......................................................... 2-6 Power Control Connections ...........
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Basic Operation Lexicon FRONT-PANEL OVERVIEW The ZX-7 front panel is shown below. The RX-7 front panel is shown on page 2-3. The standby button (1) is the only front-panel control on both amplifier models. Standby/On Button 2-2
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ZX-7/RX-7 Basic Operation STANDBY BUTTON Activates and deactivates standby mode when the ZX-7/RX-7 amplifier is powered on with the rear panel power switch. The standby button (1) performs no function when the amplifier is powered off with the rear panel power switch. When the amplifier is on, pressing the standby/on button activates standby mode and deactivates the power amplifier. While in standby mode, the front panel LED is red. Power is still supplied to the ZX-7/RX-7 when it is in standby
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Basic Operation Lexicon REAR-PANEL ZX-7 230 VAC OVERVIEW The ZX-7 230 VAC rear panel is shown below. The ZX-7 120 VAC rear panel is shown on page 2-5. The numbers in the rear-panel illustrations correspond with the numbered description items. 3 INPUTS CHASSIS TRIGGER INPUT RIGHT RIGHT SIDE RIGHT REAR CENTER LEFT REAR LEFT SIDE LEFT GROUND 1 4 PUSH PUSH PUSH PUSH PUSH PUSH PUSH 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 3 3 3 3 3 3 3 5 ZX-7 Class 2 Wiring OUTPUTS — + — + — + — + — + — + — + 7 6 RIGHT RIGHT SI
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ZX-7/RX-7 Basic Operation REAR-PANEL ZX-7 120 VAC OVERVIEW 3 INPUTS CHASSIS TRIGGER INPUT RIGHT RIGHT SIDE RIGHT REAR CENTER LEFT REAR LEFT SIDE LEFT 3 GROUND 1 4 PUSH PUSH PUSH PUSH PUSH PUSH PUSH 2 2 1 2 1 2 1 2 1 2 1 2 1 2 1 3 5 3 3 3 3 3 3 ZX-7 UE Class 2 Wiring OUTPUTS 6 — + — + — + — + — + — + — + 7 RIGHT RIGHT SIDE RIGHT REAR CENTER LEFT REAR LEFT SIDE LEFT 1. Unbalanced Input Connectors 5. Master Power Switch/Circuit Breaker 2. XLR Balanced Input Connectors 6. AC Power Connector 3. Chass
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Basic Operation Lexicon REAR-PANEL RX-7 OVERVIEW 3 INPUTS CHASSIS TRIGGER INPUT RIGHT RIGHT SIDE RIGHT REAR CENTER LEFT REAR LEFT SIDE LEFT GROUND 1 4 PUSH PUSH PUSH PUSH PUSH PUSH PUSH 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 3 3 3 3 3 3 3 5 RX-7 LEXICON DESIGNED AND ASSEMBLED IN U.S.A. SERIAL NO. DO NOT OPEN NE PAS OUVRIR Class 2 Wiring OUTPUTS — + — — — — — — + + + + + + 6 7 RIGHT RIGHT SIDE RIGHT REAR CENTER LEFT REAR LEFT SIDE LEFT 1. Unbalanced Input Connectors 5. Master Power Switch/Circuit Breaker
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ZX-7/RX-7 Basic Operation 1 & 2 UNBALANCED/BALANCED INPUT 1 TO 7 4 REMOTE TRIGGER INPUT CONNECTORS Enables the ZX-7/RX-7 to be controlled by the MC-12HD/MC-8 or other external devices with a 3.3V DC minimum to 24V DC Provides audio input for the speakers connected through the maximum trigger output. Connect the trigger output of the unbalanced (RCA) inputs or balanced (XLR) inputs. external device to the TRIGGER INPUT of the ZX-7/RX-7 amplifier. The ZX-7/RX-7 will automatically respond when the
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Basic Operation Lexicon restore AC power. If the circuit breaker immediately trips to the OFF WARNING position, unplug the amplifier from the AC power source and contact Lexicon Customer Service. Note: The 120 VAC version of the RX-7 requires a dedicated circuit with a single 20 Amp outlet installed. The 20 Amp The Class 2 Wiring label is required for any unit in which the audio output outlet has a different prong configuration from the 15 power exceeds 10W per channel under normal operating co
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ZX-7/RX-7 Basic Operation When installing the trigger cable, never have the POWER CONTROL CONNECTIONS controlling source or amplifier powered on. Doing so will cause the trigger device to work improperly and could The ZX-7/RX-7 features a built-in remote power-on system that will cause damage to both the source and amplifier. automatically switch the amplifier on when another device in the system is switched on. NOTE: The trigger cable supplied has a 1/8” connector on both ends. In order for thi
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Basic Operation Lexicon REMOTE POWER ON WITH EXTERNAL AC TO DC POWER CONNECTION SAFETY POWER CONVERTER After all audio and system connections have been made, connect the power cord to an AC power source. Be sure that the ZX-7/RX-7 If your preamplifier, processor or receiver does not have a dedicated is powered off and that the device connected to the remote trigger trigger jack, it is still possible to activate the unit for automatic input is off when connecting the power cord and plugging it in
