dbx Pro dB12 owner manual Introduction, Front Panel, Rear Panel, Manual, Owner’s, Input, Pad

Models: dB12

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dB12

 

 

 

 

dB12

 

 

Owner’s

 

ACTIVE DIRECT BOX

 

Manual

®

8760 South Sandy Parkway • Sandy, Utah 84070

Phone: (801) 568-7660 • Fax (801) 568-7662

Int’l Fax: (801) 568-7583

E-mail us at: customer@dbxpro.com

or visit us on the web at: www.dbxpro.com

Printed 3/2008

db12 Owner’s Manual 18-XXXX-A

©2008 Harman International Industries, Incorporated, all rights reserved.

18-0556-A

DECLARATION OF CONFORMITY

Manufacturer’s Name: dbx Professional Products

Manufacturer’s Address: 8760 S. Sandy Parkway Sandy, Utah 84070, U.S.A.

declares that the product:

Product name:

dB12

Product option:

None

conforms to the following Product Specifications:

Safety

IEC 60065 (7th ed. 2001) Not

 

applicable, SELV Device

EMC

EN 55013

(2001+A1)

 

EN 55020

(1998)

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.

 

Director of Engineering - dbx

 

8760 S. Sandy Parkway

 

Sandy, Utah 84070, U.S.A.

 

Date: February 21, 2008

European

 

Contact:

Your local dbx Sales and Service Office or

 

Harman Music Group

 

8760 South Sandy Parkway

 

Sandy, Utah, 84070 U.S.A.

 

Ph: (801) 566-8800

 

Fax: (801) 568-7583

Warning

For your protection, please read the following: Important Safety Instructions

1.Read these instructions.

2.Keep these instructions.

3.Heed all warnings.

4.Do not use this apparatus near water.

5.Clean only with dry cloth.

6.Do not block any ventilation openings. Install in ac- cordance with the manufacturer’s instructions.

7.Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

8.Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.

9.Unplug this apparatus during lightning storms or when unused for long periods of time.

10.No user serviceable parts inside. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

11.WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.

12.Refer to labels on the unit, including bottom cover, or other markings and pertinent information.

Introduction

Congratulations on your purchase of the dB12 Active Direct Box. The dB12 offers all the benefits of a premium-quality Direct Box while preserving the sonic integrity and true characteristics of the signal source with its custom dbx mu-metal-shielded audio transformer, high-quality Neutrik® connectors, and low-noise circuitry. The dB12 includes a pad switch for instrument, line and even speaker level signals. And you can take even more control of your sound by utilizing the polarity invert switch to set the phase rela- tionship between the direct and mic’d sound.

The dB12 Features

 

 

Premium Performance

Balanced XLR Lo-Z Output

Rugged Design

3-Way 0/20/40 dB Pad Switch

Stackable Chassis with

Flat/High-Cut Filter Switch

 

Durable Rubber Foot

Output Polarity Invert Switch

Gold-plated Neutrik® XLR Connector

Ground Lift Switch

Premium Chrome Toggle Switches

Green LED Phantom Power Indicator

Hi-Z ¼" Input Jack

+48V Phantom Powered Operation

 

Parallel ¼" Thru Jack

Low-Noise Active Circuitry

 

Transformer Isolated

 

 

Premium Shielded Custom dbx Transformer

Front Panel

INPUTTHRU

PAD

0dB

Owner’s 20dB ACTIVE DIRECT BOX 40dB

1 2 3

Rear Panel

 

OUTPUT

 

PIN 1

POLARITY

FILTER

LIFT

INVERT

 

POWER

 

 

GND

NORMAL

FLAT

1

2

3

4

5

Front Panel

1.INPUT

Connect your signal source to this 1/4” unbalanced T/S connector.

2.PAD

Select a 0dB, 20dB, or 40dB pad with this switch. Allows connection to a wide range of input signal levels.

3.THRU

Connect your onstage amplifier here (optional). This 1/4” unbalanced T/S connector is wired in parallel with the input.

Rear Panel

1.POWER LED

Lights when receiving power from phantom power.

2.PIN 1 (LIFT/GND)

By switching to the LIFT position, the internal connection to the output pin 1 is removed, isolating the dB12’s grounding system from the rest of the system. This eliminates many “hum” or “buzz” problems due to ground loops.

3.OUTPUT

Connect this balanced XLR connector to an XLR input on your mixer.

4.POLARITY (INVERT/NORMAL)

When in the INVERT position, this switch swaps pin 2 and pin 3 of the XLR jack, making pin 3 hot.

5.FILTER (Manual / FLAT)

When in the “8760 South Sandy Parkway • Sandy, Utah 84070” (filter) position (and the PAD switch is set to 40 dB), this switch applies a high cut filter to roll off high frequencies (commonly used in conjunction with the 40 dB pad on an amplifier output signal to roughly duplicate the sound of a mic’d speaker).

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dbx Pro dB12 owner manual Introduction, Front Panel, Rear Panel, Manual, Owner’s, Active Direct Box, Input, Pad, Thru