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U.K. MAINS PLUG WARNING

A molded mains plug that has been cut off from the cord is unsafe.
Discard the mains plug at a suitable disposal facility.  

NEVER UNDER

ANY CIRCUMSTANCES SHOULD YOU INSERT A DAMAGED OR CUT
MAINS PLUG INTO A 13 AMP POWER SOCKET. 

Do not use the

mains plug without the fuse cover in place.  Replacement fuse covers
can be obtained from your local retailer.  Replacement fuses are 13
amps and MUST be ASTA approved 

to BS1362.

IMPORTANT SAFETY INSTRUCTIONS

ELECTROMAGNETIC

COMPATIBILITY 

This unit conforms to the Product

Specifications noted on the 

Declaration

of Conformity

. Operation is subject to

the following two conditions:

• this device may not cause harmful

interference, and 

• this device must accept any interfer-

ence received, including interference

that may cause undesired operation.

Operation of this unit within significant

electromagnetic fields should be avoided.

• use only shielded interconnecting

cables.

DECLARATION OF

CONFORMITY

Manufacturer’s Name:

dbx Professional Products

Manufacturer’s Address:

8760 S. Sandy Parkway  
Sandy, Utah 84070, USA

declares that the product:

Product name:

dbx AFS 224 

Note:

Product name may be suffixed by the
letters-EU.

Product option:

None

conforms to the following Product Specifications:

Safety:

IEC 60065 (1998)

EMC:

EN 55013 (1990)
EN 55020 (1991)

Supplementary Information:

The product herewith complies with the requirements of the Low
Voltage Directive 72/23/EEC and the EMC Directive 89/336/EEC as
amended by Directive 93/68/EEC.

Vice-President of Engineering         
8760 S. Sandy Parkway
Sandy, Utah 84070, USA
Date: June 9, 2003

European Contact:

Your local dbx Sales and Service Office or

Harman Music Group
8760 South Sandy Parkway
Sandy, Utah  
84070  USA
Ph: (801) 566-8800
Fax: (801) 568-7583

Содержание AFS 224

Страница 1: ...User Manual Dual Channel Advanced Feedback Suppression Processor AFS 224...

Страница 2: ...c shock refer servicing to qualified service personnel or equivalent This Equipment is intended for rack mount use only SAFETY INSTRUCTIONS NOTICE FOR CUSTOMERS IF YOUR UNIT IS EQUIPPED WITH A POWER C...

Страница 3: ...ence that may cause undesired operation Operation of this unit within significant electromagnetic fields should be avoided use only shielded interconnecting cables DECLARATION OF CONFORMITY Manufactur...

Страница 4: ...the AFS 224 i Service Contact Info ii Warranty ii Installation Recommendations 1 Basic Connections 1 Rear Panel Connections 2 Front Panel Connections 2 User Setup 3 Applications 7 Block Diagram 10 Spe...

Страница 5: ...AFS 224 Operation AFS 224...

Страница 6: ...e to understanding the full functionality of the powerful AFS 224 series The dbx AFS 224 provide the user with the following features dbx s patent pending Advanced Feedback Suppression AFS technology...

Страница 7: ...ser 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...

Страница 8: ...I should be avoided where possible The AFS 224 has balanced inputs and outputs that can be used with any balanced or unbal anced line level device To connect the AFS 224 to your sound system refer to...

Страница 9: ...ED with the 10 dBu LED occasionally lighting Clip LED This LED indicates that there is signal clipping at the input Bypass This button bypasses the notch filters in the signal path by pressing once Pr...

Страница 10: ...cted to the insert jack s on a microphone channel of a mixer 2 Connected to the insert jack s on the main outputs of a mixer 3 Connected to the subgroup insert jack s of a mixer 4 Connected inline w o...

Страница 11: ...h button to slowly increment or decrement the num ber Warning Changing the Total Number of Filters may remove feedback filters already set B 3 Selecting the Number of Fixed Filters Use the selected ch...

Страница 12: ...er type can be changed by pressing the channels TYPE button This will change the filter type for the next filter and will not change exist ing filters When all fixed filters have been used new feedbac...

Страница 13: ...ng the TYPE button switches between the dif ferent types You can select different types for both Live and Fixed Mode E Clearing Filters Fixed and Live To clear the Live filters press and hold the BYPA...

Страница 14: ...e L R 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0...

Страница 15: ...0dBV switch on the back of the 224 accordingly Pan Mute 10 0 5 10 20 30 5 L R Mute L R Mute L R Mute L R 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3...

Страница 16: ...he 4dBu or 10dBV switch on the back of the 224 accordingly Pan Mute 10 0 5 10 20 30 5 L R Mute L R Mute L R Mute L R 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3...

Страница 17: ...3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 Pan 5 4 3 2 1 0 1 2 3 4 5 1 2 3 4 10 0 5 10 20 30 5 10 0 5 10 2...

Страница 18: ...24 Block Diagram TYPE IV A D DSP Micro Processor Programmable Logic CLIP Detect Bypass Type Live Filter Lift Mode Bypass Type Input meter Input D A RF Filter Live Filter Lift Mode RF Filter Outputs In...

Страница 19: ...ed 110 dB unweighted 22kHz BW Type IV dynamic range 119 dB A weighted 22kHz BW 117 dB unweighted 22kHz BW A D Conversion 24 bit D A Performance Dynamic Range 112 dB A weighted 109dB unweighted D A Con...

Страница 20: ...ndy Pkwy Sandy Utah 84070 Phone 801 568 7660 Fax 801 568 7662 Questions or comments E mail us at customer dbxpro com or visit our World Wide Web home page at www dbxpro com 18 6398 A A Harman Internat...

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