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1.3 Service Contact Info

If you require technical support, contact dbx Technical Support. Be prepared to accurately 
describe the problem. Know the serial number of your device - this is printed on a sticker 
attached to the chassis. If you have not already taken the time to fill out your warranty 
registration card and send it in, please do so now. You may also register online at 
www.dbxpro.com.

Before you return a product to the factory for service, we recommend you refer to the manual. 
Make sure you have correctly followed installation steps and operation procedures. For further 
technical assistance or service, please contact our Technical Support Department at (801) 
568-7660 or visit www.dbxpro.com. If you need to return a product to the factory for service, 
you MUST first contact Technical Support to obtain a Return Authorization Number. 

No returned products will be accepted at the factory without a Return Authorization Number. 

Please refer to the Warranty information on the following page, which extends to the first 
end-user. After expiration of the warranty, a reasonable charge will be made for parts, labor, 
and packing if you choose to use the factory service facility. In all cases, you are responsible 
for transportation charges to the factory. dbx will pay return shipping if the unit is still under 
warranty.

Use the original packing material if it is available. Mark the package with the name of the 
shipper and with these words in red: DELICATE INSTRUMENT, FRAGILE! Also write the Return 
Authorization Number (RA#) on the outside of the box in a conspicuous location. Insure the 
package properly. Ship prepaid, not collect. Do not ship parcel post.

Section 1

Introduction

2

dbx 266xs

Summary of Contents for 266xs

Page 1: ...User Manual DualCompressor Gate Professional Audio Equipment...

Page 2: ...pment only to the power source indicated on the equipment rear panel To reduce the risk of fire or electric shock refer servic ing to qualified service personnel or equivalent If connected to 240V sup...

Page 3: ...device may not cause harmful interference and this device must accept any interference received including interference that may cause undesired operation Operation of this unit within significant ele...

Page 4: ...ty 3 Section 2 Getting Started 4 2 1 Rear Panel Connections 4 2 2 Front Panel Connections 5 Section 3 Making Connections 8 Section 4 Technical Support and Facts 9 4 1 Technical Support 9 4 2 Registrat...

Page 5: ...eveling to aggressive peak limiting 1 2 Common Gating Applications Gating Dry Percussive Sounds e g Snare Drum Kick Drum Gating Sounds That Have Longer Decay e g Cymbal Piano Gating Hum or Buzz From L...

Page 6: ...tory for service you MUST first contact Technical Support to obtain a Return Authorization Number No returned products will be accepted at the factory without a Return Authorization Number Please refe...

Page 7: ...eturned to dbx WITH RETURN AUTHORIZATION from the factory where all parts and labor will be covered up to a period of two years A Return Authorization number must first be obtained from dbx The compan...

Page 8: ...balanced output impedance is 100 and the unbalanced output impedance is 50 In the 10dBV setting the balanced output impedance is 1k and the unbalanced output impedance is 500 OPERATING LEVEL Switch Th...

Page 9: ...This meter displays the amount of signal attenuated from the input signal by the 266xs Compressor or Expander Gate When the Compressor and Expander Gate are both active the meter displays the maximum...

Page 10: ...not get fully pro cessed by the RATIO ATTACK and RELEASE controls until they have passed somewhat above the THRESHOLD reference level As the signal level passes the THRESHOLD level processing increase...

Page 11: ...y tones e g bass guitar set RELEASE and ATTACK to 2 00 or slower NOTE ATTACK and RELEASE controls operate together and in conjunction with the RATIO control Changing one control may necessitate changi...

Page 12: ...ions refer to the following steps Turn Off all equipment before making any connections Mount the 266xs in a 1U rack space optional The 266xs requires one rack space height and 1 rack space width It ca...

Page 13: ...d to the side panel of the unit NOTE Please refer to the terms of your Limited Two Year Standard Warranty which extends to the first end user After the warranty expires a reasonable charge will be mad...

Page 14: ...Hz measurement bandwidth Dynamic Range 114dB unweighted Interchannel Crosstalk 95dB 20Hz to 20kHz Common Mode Rejection 40dB typically 55dB 1kHz Stereo Coupling True RMS Power Summing THRESHOLD Compre...

Page 15: ...Section A Appendix 11 A 2 Block Diagram dbx 266xs...

Page 16: ...8760 South Sandy Parkway Sandy Utah 84070 Phone 801 568 7660 Fax 801 568 7662 Int l Fax 801 568 7583 Questions or comments Contact us at www dbxpro com Printed in China 18 0806 A...

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