background image

ZX-7/RX-7

Basic Operation

2-9

POWER CONTROL CONNECTIONS

The ZX-7/RX-7 features a built-in remote power-on system that will
automatically switch the amplifier on when another device in the
system is switched on.

REMOTE TRIGGER POWER ON

How to make connections for remote power-on using
components equipped with a DC trigger jack:

Using an accessory cable with a 1/8” mono mini-plug and the
correct connector specified for your source device, follow the
procedure below to connect the trigger-output jack on the rear of
the source device to the ZX-7/RX-7 rear panel TRIGGER INPUT. 

To install the Trigger Cable:

Power the controlling source and amplifier off.

Connect the trigger cable to the controlling source and the
amplifier.

After the connections are made, power on the controlling
source and then the amplifier. After the source unit is fully
powered up, the LED on the amplifier should be in the 

ON

state, 

BLUE. 

If the amplifier is in the standby mode, 

RED

, press

the standby/on button on the front panel until the amplifier is
in the 

ON 

state, 

BLUE. 

Verify the trigger is working by putting the source unit into
standby mode. The amplifier after a short delay will also go into
the standby mode, 

RED

 LED.

Once you have verified that the trigger cable is working, only
use the source unit to power on and off your amplifier.

When installing the trigger cable, never have the
controlling source or amplifier powered on. Doing so will
cause the trigger device to work improperly and could
cause damage to both the source and amplifier.

NOTE

:

The trigger cable supplied has a 1/8” connector on both ends. In order for
this cable to be used with the MC-12HD or MC-8, you must modify the
cable. The cable has an insulated center conductor with a braided shield
surrounding it. These are protected by the outer black jacket. The inner
conductor is the positive (+) lead and the braided shield is the negative (-)
lead. Snip the connector off one end of the trigger cable and remove
about 3/4” of the outer black jacket. Be careful not to nick or cut the
braided shield strands. Carefully unweave the braided shield and twist the
loose strands into a tight group. Strip about 1/4” of the insulation off the
center conductor. Insert this into the (+) terminal of the powered source.
Insert the twisted group of shield braid wires into the (-) terminal of the
powered source. Fasten securely. You should also use an electrical meter if
possible.

WARNING

Summary of Contents for RX-7

Page 1: ...ZX 7 RX 7 Power Amplifier User Guide ...

Page 2: ...tenormally or hasbeendropped Refer to the manufacturer s operating instructions for power requirements Be advised that different operating voltages may require the use of different line cord and or attachmentplug Do not install the unit in an unventilated rack or directly above heat producing equipment such as power amplifiers Observe the maximum ambient operating temperature listedinthe productsp...

Page 3: ...arks of Harman International Industries Inc U S Patent Nos D454 553 D454 860 5 796 844 5 870 480 and other worldwide patents issued and pending 2007 Harman International Industries Incorporated All rights reserved This document should not be construed as a commitment on the part of Harman Specialty Group The information it contains is subject to change without notice Harman Specialty Group assumes...

Page 4: ...erous voltage inside the enclosure voltage that may be sufficient to constitute a risk of shock Appears on the component to indicate important operating and maintenance instuctions in the accompanying literature Calls attention to a procedure practice condition or the like that if not correctly performed or adhered to could result in injury or death Calls attention to a procedure practice conditio...

Page 5: ... 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 2 9 Remote Trigger Power On 2 9 Remote Power On with External AC to DC Power Converter 2 10 Power Connection Safety 2 10 Source Component Connections Output Settings 2 10 Protection Mode 2 11 Troubleshooting Maintenance Troubleshooting 3 2 Maintenance 3 3 Appendix Specifications A...

Page 6: ......

Page 7: ...1 Getting Started About The ZX 7 and RX 7 1 2 Product Registration 1 2 Highlights 1 3 Installation Considerations 1 3 ...

Page 8: ...ies in the input signal from outside interference This results in significant audible benefits including increased overall clarity and more pronounced differences between soft and loud passages Internally the ZX 7 and RX 7 both utilize two massive toroidal transformers and lots of filter capacitance to ensure rock solid low frequency reproduction and ample power reserves The ZX 7 delivers 300 Watt...

Page 9: ...N CONSIDERATIONS To ensure optimal performance pay particular attention to the instructions below and to other precautions that appear throughout this user guide DO be careful when moving the amplifier as it is very heavy DO install the ZX 7 RX 7 on a solid flat level surface such as a table or shelf The ZX 7 RX 7 can also be installed in a standard 19 inch equipment rack using an optional rack mo...

Page 10: ......

Page 11: ...view 2 4 Rear Panel ZX 7 120 VAC Overview 2 5 Rear Panel RX 7 Overview 2 6 Power Control Connections 2 9 Remote Trigger Power On 2 9 Remote Power On with External AC to DC Power Converter 2 10 Power Connection Safety 2 10 Source Component Connections Output Settings 2 10 Protection Mode 2 11 ...

Page 12: ...ation Lexicon 2 2 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 ...

Page 13: ...ctivates 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 mode When the unit is in standby pressing the standby on button deactivates standby mode and activates the power amplifier While the ZX 7 RX 7 is activated the front panel LED is blue Note When the status of the ZX 7 RX 7 changes ...

Page 14: ...lanced Input Connectors 2 XLR Balanced Input Connectors 3 Chassis Ground 4 Remote Trigger 5 Master Power Switch Circuit Breaker 6 AC Power Connector 7 Speaker Output Connectors ZX 7 TRIGGER INPUT RIGHT RIGHT SIDE RIGHT REAR CENTER LEFT REAR LEFT SIDE LEFT OUTPUTS RIGHT RIGHT SIDE RIGHT REAR CENTER LEFT REAR LEFT SIDE LEFT INPUTS PUSH 3 2 1 PUSH 3 2 1 PUSH 3 2 1 PUSH 3 2 1 PUSH 3 2 1 PUSH 3 2 1 PUS...

Page 15: ...aster Power Switch Circuit Breaker 6 AC Power Connector 7 Speaker Output Connectors 3 ZX 7 TRIGGER INPUT UE RIGHT RIGHT SIDE RIGHT REAR CENTER LEFT REAR LEFT SIDE LEFT OUTPUTS RIGHT RIGHT SIDE RIGHT REAR CENTER LEFT REAR LEFT SIDE LEFT INPUTS PUSH 3 2 1 PUSH 3 2 1 PUSH 3 2 1 PUSH 3 2 1 PUSH 3 2 1 PUSH 3 2 1 PUSH 3 2 1 CHASSIS GROUND Class 2 Wiring 6 5 4 1 2 7 3 ...

Page 16: ...Power Connector 7 Speaker Output Connectors RIGHT RIGHT SIDE RIGHT REAR CENTER LEFT REAR LEFT SIDE LEFT LEXICON DESIGNED AND ASSEMBLED IN U S A SERIAL NO RX 7 TRIGGER INPUT NE PAS OUVRIR DO NOT OPEN RIGHT RIGHT SIDE RIGHT REAR CENTER LEFT REAR LEFT SIDE LEFT OUTPUTS INPUTS Class 2 Wiring CHASSIS GROUND PUSH 3 2 1 1 2 2 2 2 2 2 3 3 3 3 3 3 1 1 1 1 1 PUSH PUSH PUSH PUSH PUSH PUSH 1 3 2 5 6 4 7 ...

Page 17: ...ers while the unit stabilizes During start up you may hear relay clicking This is normal operation 5 MASTER POWER SWITCH Connects and disconnects power from the AC Input Connector to the Amplifier Power Supply When this switch is on the front panel standby on LED illuminates When it is off the front panel standby on button will not function Set this switch to off when making or breaking connection...

Page 18: ...ord The 120 VAC version of the RX 7 is supplied with a 20 Amp power cord with a NEMA 5 20P plug on one end The 120 VAC version of the ZX 7 is supplied with a two 15 Amp power cords with standard NEMA 5 15P plugs on one end The NEMA 5 20P power cord has a different prong configuration than the average typical 15A household plug The 120 VAC version of the RX 7 requires a dedicated circuit with a sin...

Page 19: ...t into standby mode The amplifier after a short delay will also go into the standby mode RED LED Once you have verified that the trigger cable is working only use the source unit to power on and off your amplifier When installing the trigger cable never have the controlling source or amplifier powered on Doing so will cause the trigger device to work improperly and could cause damage to both the s...

Page 20: ... connect the power cord to an AC power source Be sure that the ZX 7 RX 7 is powered off and that the device connected to the remote trigger input is off when connecting the power cord and plugging it into an AC outlet Do not plug the ZX 7 RX 7 directly into the Switched Accessory outlet of another device These outlets are intended for use with low current draw products such as tuners CD players or...

Page 21: ...rotection mode When this occurs the unit will mute to protect itself and speakers from potential damage If the ZX 7 RX 7 enters protection mode mutes itself 1 Immediately power off the unit with the rear panel master power switches and disconnect all AC power cords 2 Examine all speaker connections to ensure there are no shorts Power on the ZX 7 RX 7 If the unit remains in a muted state contact Le...

Page 22: ......

Page 23: ...3 Troubleshooting Maintenance Troubleshooting 3 2 Maintenance 3 3 ...

Page 24: ...speaker connections 5 Allow the amplifier to cool before powering it on again Audio sounds out of phase Check to ensure proper speaker wiring Audio levels differ Check the settings on your preamp processor or controller Audio plays then cuts off Check speaker connections for short circuits at the amplifier and speaker A humming sound is present in the audio Audible hum or a discernible low frequen...

Page 25: ...oblem In the past cold water pipes and other utilities were often used for grounds These items may not be still valid because of corrosion of the existing pipes and the installation and use of PVC piping Please check with a licensed electrician for further evaluation If all else fails 1 Contact an authorized Lexicon dealer 2 Contact Lexicon Customer Service at 781 280 0300 3 Visit www lexicon com ...

Page 26: ......

Page 27: ...A Appendix Specifications A 2 Declaration of Conformity A 3 ...

Page 28: ...tput Power 200W RMS per channel into 8 ohms from 20 Hz 20 kHz Power Requirements 120 VAC 14A 60 Hz 230 VAC 6A 50 60 Hz Frequency Response 20 Hz to 20 kHz 0 1 0 2 dB THD Less than 0 05 at full rated FTC power 20 Hz 20k Hz Less than 0 005 at full FTC power at 1 kHz Signal to Noise Ratio Greater than 105 dB below rated full rated power A Weighted IM Distortion Less than 03 at full rated power Crossta...

Page 29: ...A2 2005 EN61000 3 3 1995 A1 2001 EN60065 2002 Manufacturer Harman Specialty Group 3 Oak Park Drive Bedford MA 01730 1413 USA The equipment identified here conforms to the Directive s and Standard s specified above Type of Equipment Power Amplifier Model Lexicon ZX 7 and RX 7 Date March 2007 Harman Specialty Group Vice President of Engineering 3 Oak Park Drive Bedford MA 01730 1413 USA Tel 781 280 ...

Page 30: ......

Page 31: ...specified below the Lexicon warranty covers all defects in material and workmanship The following are not covered Damage caused by accident misuse abuse product modification or neglect damage occurring during shipment damage from failure to follow instructions contained in the instruction manual damage resulting from the performance of repairs by someone not authorized by Lexicon damage caused by ...

Page 32: ...A Harman International Company Part No 070 18130 Rev 0 6 ...

Reviews: