dbx Pro 566 User Manual

Dual

Vacuum Tube

Compressor

Owner’s Manual

Version 1.0

WARNING

FOR YOUR PROTECTION, PLEASE READ THE FOLLOWING:

WATER AND MOISTURE: Appliance should not be used near water (e.g. near a bathtub, wash-

bowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool, etc). Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings.

POWER SOURCES: The appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the appliance.

GROUNDING OR POLARIZATION: Precautions should be taken so that the grounding or polarization means of an appliance is not defeated.

POWER CORD PROTECTION: Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the appliance.

SERVICING: To reduce the risk of fire or electric shock, the user should not attempt to service the appliance beyond that described in the operating instructions. All other servicing should be referred to qualified service personnel.

FOR UNITS EQUIPPED WITH EXTERNALLY ACCESSIBLE FUSE RECEPTACLE:

Replace fuse with same type and rating only.

MULTIPLE-INPUT VOLTAGE: This equipment may require the use of a different line cord, attachment plug, or both, depending on the available power source at installation. Connect this equipment only to the power source indicated on the equipment rear panel. To reduce the risk of fire or electric shock, refer servicing to qualified service personnel or equivalent.

SAFETY INSTRUCTIONS

NOTICE FOR CUSTOMERS IF YOUR UNIT IS EQUIPPED WITH A POWER CORD.

WARNING: THIS APPLIANCE MUST BE EARTHED.

The cores in the mains lead are coloured in accordance with the following code:

GREEN and YELLOW - Earth BLUE - Neutral BROWN - Live

As colours of the cores in the mains lead of this appliance may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:

¥ The core which is coloured green and yellow must be connected to

the terminal in the plug marked with the letter E, or with the earth symbol, or coloured green, or green and yellow.

¥ The core which is coloured blue must be connected to the terminal

marked N or coloured black.

¥ The core which is coloured brown must be connected to the terminal

marked L or coloured red.

This equipment may require the use of a different line cord, attachment plug, or both, depending on the available power source at installation. If the attachment plug needs to be changed, refer servicing to qualified service personnel who should refer to the table above. The green/yellow wire shall be connected directly to the unit's chassis.

WARNING: If the ground is defeated, certain fault conditions in the unit or in the system to which it is connected can result in full line voltage between chassis and earth ground. Severe injury or death can then result if the chassis and earth ground are touched simultaneously.

U.K. MAINS PLUG WARNING

moulded 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.

The symbols shown above are internationally accepted symbols that warn of potential hazards with electrical products. The lightning flash with arrowpoint in an equilateral triangle means that there are dangerous voltages present within the unit. The exclamation point in an equilateral triangle indicates that it is necessary for the user to refer to the ownerÕs manual.

These symbols warn that there are no user serviceable parts inside the unit. Do not open the unit. Do not attempt to service the unit yourself. Refer all servicing to qualified personnel. Opening the chassis for any reason will void the manufacturerÕs warranty. Do not get the unit wet. If liquid is spilled on the unit, shut it off immediately and take it to a dealer for service. Disconnect the unit during storms to prevent damage.

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 interference 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

ManufacturerÕs Name: dbx Professional Products ManufacturerÕs Address: 8760 S. Sandy Parkway

Sandy, Utah 84070, USA

declares that the product:

dbx 566

conforms to the following Product Specifications:

Safety: EN 60065 (1993)

IEC65 (1985) with Amendments 1, 2, 3

EMC: EN 55013 (1990)

EN 55020 (1991)

Supplementary Information:

The product herewith complies with the requirements of the Low Voltage Directive 73/23/EEC and the EMC Directive 89/336/EEC as amended by Directive 93/68/EEC.

dbx Professional Products Vice-President of Engineering 8760 S. Sandy Parkway Sandy, Utah 84070, USA September 25th, 1998

European Contact: Your Local dbx Sales and Service Office or

International Sales Office 68 Sheila Lane Valparaiso, Indiana 46383, USA Tel: (219) 462-0938 Fax: (219) 462-4596

CONDUCTOR

L N E

LIVE

NEUTRAL

EARTH GND

WIRE COLOR

Normal Alt

BROWN

BLUE

GREEN/YEL

BLACK WHITE

GREEN

Table of Contents

Introduction................................................................................................................2

Features.......................................................................................................................2

Inspection....................................................................................................................2

Warranty.....................................................................................................................3

Connections.................................................................................................................4

Compressor Controls.................................................................................................5

Rear Panel.................................................................................................................10

Specifications ............................................................................................................11

Settings Page.............................................................................................................13

Introduction

Thank you for purchasing the dbx 566 vacuum tube compressor. The 566 combines world-renowned dbx compression with the latest in vacuum tube technology.

The dbx 566Õs compression section incorporates the features that have made dbx the standard for high quality audio compression: Over Easyª compression curve, PeakPlusª limiting and the advanced dbx V1ª VCA module that ensures high system performance. Precision 1% resistors are used throughout the audio path to ensure performance stability and low noise. To ensure years of troublefree operation, each dbx 566 must pass a rigorous set of performance tests and a 24-hour burn-in period before it is shipped from the factory.

We recommend that you take a moment to read through this operation manual. It provides valuable information that will assist you in setting up and operating your dbx 566.

Features

¥ PeakPlusª Limiter ¥ Class A Vacuum tube stage with Drive control ¥ Selectable dbx OverEasy

compression curve ¥ Sidechain loop ¥ Multi-source VU metering and Peak indication ¥ Ready for optional dbx

TYPE IV

Conversion System digital output module

¥ Stereo Link

Inspection

Verify that the 566Õs package contains the following:

¥ 566 Unit (according to Model number marked on package) ¥ AC Power Cord ¥ Operation Manual ¥ Registration Card ¥ Rack screws & washers

If any of these items are missing, contact dbx customer service at (801) 568-7660.

Warranty

This warranty is valid only for the original purchaser and only in the United States. We warrant dbx products against defects in materials or workmanship for a period of two years from the date of original purchase for use, and agree to repair or, at our option, replace any defective item, except external power transformers, without charge for either parts or labor.

IMPORTANT: This warranty does not cover damage resulting from accident, misuse or abuse, lack of reasonable care, the affixing of an attachment not provided with the product, loss of parts, or connecting the product to any but the specified receptacles. This warranty is void unless service or repairs are performed by an authorized service center. No responsibility is assumed for any special, incidental or consequential damages. However, the limitation of any right or remedy shall not be effective where such is prohibited or restricted by law.

Simply take or ship your dbx product prepaid to our service department. Be sure to include your sales slip as proof of purchase date. (We will not repair transit damage under the no-charge terms of this warranty.) dbx will pay return shipping.

NOTE: No other warranty, written or oral is authorized for dbx products.

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Some states do not allow the exclusion of limitations of incidental or consequential damages or limitations on how long an implied warranty lasts, so the above exclusion and limitations may not apply to you.

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