TBX10A

INSTALLATION/OWNER'S MANUAL

10" Sealed Enclosure with Built-in Amplifier

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PREPARATION

Getting Started

Thank you for purchasing the Dual TBX10A 10" ported enclosure with built-in amplifier. Although Dual has attempted to ensure the information in this manual is accurate, please be aware that any part of it is subject to change without notice.

Please read entire manual before installation. Due to the technical nature of amplifiers, it is highly recommended that your Dual TBX10A is installed by a professional installer or an authorized dealer.

Before You Start

• Always disconnect the negative battery terminal. Consult a qualified technician for instructions if you are unsure.

• Avoid installing the amplifier where it would be subject to high temperatures, such as from direct sunlight, or where it would be subject to dust, dirt or excessive vibration.

• Use extreme caution when drilling holes to avoid damaging fuel lines or existing vehicle wiring.

• All amplifier installations require power, signal and speaker wires (not included).

• An amplifier installation kit (sold separately) is highly recommended to facilitate the installation. Consult your dealer for recommendations.

Mounting Location

• Choose a mounting location for the TBX10A. Suggested locations include behind a seat or in the trunk.

• For optimum performance, make sure to provide at least 1" of space around all sides of the amplifier.

• Do not mount the TBX10A under carpets or where airflow is restricted.

• Do not install the TBX10A where it may be exposed to moisture.

• The optimum mounting location varies between vehicles. Remember to test all amplifier functions before completing the final mounting procedure.

INSTALLATION

Safety First

!

CAUTION

The  following  instructions  are  designed  to  ensure  safety  during  installation  and  use of the TBX10A. Failure to heed these instructions can result in injury or damage  to the unit or vehicle.

The following installation instructions are intended to be used as a basic guideline. If you feel unsure about installing this speaker system yourself, Dual recommends acquiring the services of a professional car audio installation center.

Before installation, please review the following guidelines:

1. Be sure to carefully read and understand the instructions before attempting to install this product.

2. If additional wiring is required, we recommend running all wires prior to mounting your enclosure in place.

3. To ensure reliable performance and minimize signal or power loss, use the highest quality connectors available.

4. Never run speaker wires underneath your vehicle. Running speaker wires inside the vehicle provides the best protection from exhaust, heat and environmental elements.

5. Avoid running wires over, near or through sharp-edged surfaces. We suggest you also use rubber grommets to protect any wires routed through metal, especially the firewall.

6. When running the speaker cable to the amplifier, avoid running it near sources of high current (i.e. wiring harnesses, battery cables).

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4

INSTALLATION

Connection Descriptions

Note: Be sure to follow specific instructions included with your amplifier  installation kit (not included with this amplifier). The information below should be  used a general guideline only.

Power Wire (+12V)

• Disconnect negative battery terminal before proceeding. Consult a qualified technician for instructions if you are unsure.

• Plan wire routing before cutting any wires to length. Begin by routing the power

+12V wire from the battery to the amplifier location. Use a grommet when running wires through the firewall or metal openings. Avoid running the power wire near existing vehicle wiring to prevent induced noise from entering the audio system.

• Use extreme caution when drilling holes to avoid damaging fuel lines or existing vehicle wiring.

• The +12V wire MUST be fused within 18" of the battery for protection of the vehicle’s electrical system.

Ground Wire (GND)

• The amplifier ground wire should be as short as possible. Choose a clean unpainted section of metal or the vehicle chassis when attaching the ground connection. Be sure to clean the area of any dirt or grease.

Remote Turn-on Wire (REM)

• The remote turn-on wire connects to the head unit's amplifier turn-on lead or other switched 12 volt source.

Input Signal 

• The amplifier's input signal connects to the receiver's low level (RCA) or high level (speaker wire) outputs.

CAUTION

• Never run any wires underneath or outside the vehicle.

INSTALLATION

Connections and Controls

1

HIGH LEVEL

INPUT

2

3

4

5

6

7

8

1

2

3

4

Phase Control

Power Indicator

Protect Indicator

Input Level Control

5

6

7

8

Crossover Frequency

Bass EQ

Fuse (15A)

Power / Input Connector

5

INSTALLATION

Typical Wire Routing

HIGH LEVEL

INPUT

15A

High Level Input (Speaker Wire)

High level inputs should only be used when RCA 

outputs are not available from the head unit. Connect the head unit speaker outputs to the high level input connector as shown below. The black wire (signal reference ground) may or may not require a connection to chassis ground - depending on your particular installation. Do not use both low and high level inputs at 

the same time. Connect only one or the other. 

Main Power Connections

Connect BAT+, GND and REM wires accordingly. A suitable fuse MUST be installed on the

BAT+ lead within 18" of the battery for protection of the vehicle’s electrical system.

Fuse Rating

When replacing the fuse, make sure new fuse is the correct type and amperage. Using an incorrect fuse could damage the amplifier. The

TBX10A uses (1) 15 amp ATO style fuse.

Power/Ground Wire Size

For optimum performance, use only

12 gauge wire or larger. Make sure to use the same size power and ground wire.

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Screw the mounting brackets securely to the floorboard of your car or tuck as illustrated

INSTALLATION

Mounting

Lace the straps so that they pass through the brackets as illustrated.

Place the TBX10A on the straps

Lace the straps through the brackets as illustrated.

Fasten the buckles as tightly as possible.

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8

INSTALLATION

Control Setup and Adjustment

Input Signal Connections

Low Level (RCA)

Low level (RCA) input signal is preferred for best performance. Typical trunk-mount installations require a 17-20 foot RCA cable. Most trucks and behind-seat applications require a 6-12 foot RCA cable. Using twisted pair construction RCA cables will minimize noise.

Crossover Frequency 

Control

The adjustable crossover is used to filter out frequencies above 50Hz ~ 250Hz. Adjust it to where the TBX10A sound output blends with the rest of the sound system.

Phase Control

The phase control compensates for delay between the TBX10A output and the rest of the sound system.

Begin with the phase control set to 0 degrees. If the sound is adequate from the normal listening position inside the vehicle, no further adjustment is necessary. If the sound is thin or lacking bass, adjust the phase control until the bass is full and punchy.

Input Level Control

LED Indicator

The input level control (LEVEL) is used to obtain the best possible match between the head unit audio output and the amplifier input. Begin by turning the input level control fully counterclockwise. Next, turn up the head unit volume control around 3/4 of the way up. Adjust the input level control clockwise until audible distortion is heard, then slightly counterclockwise to provide the best match.

The LED indicator illuminates green during normal operation.

WARRANTY

Limited One-Year Warranty

This warranty gives you specific legal rights. You may also have other rights which vary from state to state.

Dual Electronics Corp. warrants this product to the original purchaser to be free from defects in material and workmanship for a period of one year from the date of the original purchase.

What to do?

1. Before you call for service, check the troubleshooting guide in your owner’s manual. A slight adjustment of any custom controls may save you a service call.

Dual Electronics Corp. agrees, at our option, during the warranty period, to repair any defect in material or workmanship or to furnish an equal new, renewed or comparable product

(whichever is deemed necessary) in exchange without charges, subject to verification of the defect or malfunction and proof of the date of purchase. Subsequent replacement products are warranted for the balance of the original warranty period.

2. If you require service during the warranty period, you must carefully pack the product (preferably in the original package) and ship it by prepaid transportation with a copy of the original receipt from the retailer to an authorized service center.

3. Please describe your problem in writing and include your name, a return UPS shipping address (P.O. Box not acceptable), and a daytime phone number with your shipment.

Who is covered? This warranty is extended

to the original retail purchaser for products purchased from an authorized Dual dealer and used in the U.S.A.

4. For more information and for the location of the nearest authorized service center please contact us by one of the following methods:

• Call us toll-free at 1-866-382-5476

• E-mail us at [email protected]

What is covered? This warranty covers all

defects in material and workmanship in this product. The following are not covered: software, installation/removal costs, damage resulting from accident, misuse, abuse, neglect, product modification, improper installation, incorrect line voltage, unauthorized repair or failure to follow instructions supplied with the product, or damage occurring during return shipment of the product. Specific license conditions and copyright notices for the software can be found via www.dualav.com.

Exclusion of Certain Damages: This warranty is exclusive and in lieu of any and all other warranties, expressed or implied, including without limitation the implied warranties of merchantability and fitness for a particular purpose and any obligation, liability, right, claim or remedy in contract or tort, whether or not arising from the company’s negligence, actual or imputed. No person or representative is authorized to assume for the company any other liability in connection with the sale of this product. In no event shall the company be liable for indirect, incidental or consequential damages.

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For Your Records

INSTALLATION

Notes

Please keep your original sales receipt and be prepared to provide this receipt in the event you require service, as your original receipt is considered the best proof of purchase and indicates the date you purchased your Dual product.

Dealer Name

Dealer Phone

Purchase Date

Register Your Product

Register your product online at www.dualav.com

Troubleshooting

Problem

Unit will not turn on

(no power LED indicator)

Cause

BAT+ wire not connected or incorrect voltage

REM wire not connected or incorrect voltage

GND wire not connected

Action

Check connections for proper voltage

(11~16VDC)

Check connection to ground

Fuse(s) blown Replace fuse(s)

Unit has power - LED is  green (but no sound)

Volume turned all the way down

Speaker defective or damaged

Input signal not connected

Unit blows fuse(s)

Engine noise

Incorrect fuse rating

BAT+ wire touching chassis ground

Speaker defective or damaged

Bad ground connection

Distorted audio output

Incorrect input signal type or

Low audio output

Weak bass

Signal ground loop or RFI (radio frequency interference) input level too high

Incorrect input signal type or input level too low

Low frequency output is out of phase

Increase volume level at head unit

Check/replace speaker

Check high or low level inputs for proper connection

Use fuse(s) with correct rating

Check for pinched wire

Check/replace speaker

Make sure amplifier is grounded to clean bare metal

Re-route RCA cables from existing high current wiring

Check connections and reduce/adjust input level

Check connections and increase or adjust input level

Adjust phase control as needed

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INSTALLATION

Specifications

Maximum Output Power

300 watts

Continuous Output Power

100 watts

Frequency Response

40-250Hz

Operating Voltage

11.0VDC ~ 14.4VDC Allowed

Impedance

4 Ohms

Crossover Frequency

50–250Hz

Amplifier Type

Class A/B

Phase

0–180 degrees

Fuse

15 amp ATO

Dimensions

11.5” (H) x 5.5” Bottom / 4” Top (D) x 16.5” (W)

Design and specifications subject to change without notice.

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Dual Electronics Corp.

Toll Free: 1-866-382-5476

Monday-Friday, 9AM-5PM EST www.dualav.com

©2016 Dual Electronics Corp. All rights reserved.

NSA0716-V01

Printed in China