EarthQuake XJ-300R Bedienungsanleitung

USER’S MANUAL

Earthquake Sound reserves the right to amend details of the specifications without notice.

Earthquake Sound Corporation

2727 McCone Avenue, Hayward CA, 94545

Phone: (510) 732-1000 U.S. Toll Free: (800) 579-7944 Fax: (510) 732-1095

Congratulations......................................

Features.................................................

Crossover Setting...................................

Phase Setting.........................................

Using with Q10B.....................................

Using with MQB-1...................................

Using with THOR In-Wall SUB10...........

Schematic...............................................

Warranty Information........................

10-11

CONGRATULATIONSTABLE OF CONTENTS

Congratulations and thank you for purchasing the XJ-300R amplifier. The

XJ series are stand alone compact amplifiers that allow custom home

installation to have a powerful high efficiency amplification while fitting

into small places. The XJ-300R comes with a set of standard ears that

allows the user to install it in a standard single rack mount. Whether you

are looking to power a subwoofer or a tactile transducer, the XJ-300R is

guaranteed to deliver.

and regulated output which delivers a linear amplification to your load.

Only through linear amplification do you get the chance to deliver

accuracy in amplification.

What is class J?

Class J is a monitoring circuit that optimizes class D amplifiers. The

class J is a class D amplifier which has a microprocessor algorithm that

trades in high efficiency for high quality throughout the audio spectrum.

In simple terms, the class J gives you the highest efficiency possible

without compromising quality.

The XJ amplifiers possess an oversized power supply: 8 ohms, 4 ohms,

and even 2 ohms. These amplifiers will deliver clean, accurate sound

with massive damping factor.

Enjoy!

FEATURES

If the LED light is:

red = amplifier is in auto mode

green = amplifier is sensing signal

amplifier is on

auto music sensing setting:

amplifier automatically turns on

when music is on- if the music is

not on for 20 min., the amplifier

goes into sleep mode.

110V/220V switch

comes with 1 pair of mounting ears

to fit into a rack (takes 1 rack space)

comes with rubber

legs for shelf option

amplified output

to your IW-SUB10

or your tactile

If you are using the XJ-300R to drive a

subwoofer (including Earthquake’s THOR

In-Wall SUB10), then you will need to set the

crossover below 100Hz.

If you have a large subwoofer such as a 12”,

15”, or even 18”, then you will have a great

response with the crossover set to the 12

o’clock setting or minimum setting.

For use with a 8” or 10” subwoofer, you will

find the 12 o’clock and 2 o’clock setting to be

the best range.

Driving a Q10B

or a MQB-1?

Driving an

In-Wall SUB10?

Do not use high level input

with bridged amp

Note that the high level input

stage on the XJ300R has a

common mode ground.

Therefore, you cannot use a

bridge mode amplifier as a

high level input.

XJ-300R with Q10B

Q10B

8-Ohm

Application

XJ-300R with MQB-1

MQB-1

4-Ohm Parallel

Application

MQB-1

8-Ohm Standard

Application

XJ-300R with THOR IW-SUB10

THOR

4-Ohm Standard

Application

Specifications

Frequency Response

28Hz - 175Hz

Power Line Voltage

110-120C ~ AC/60Hz/180W

(220 option)

Dimensions (HxWxD)

2” x 9” x 9”

Weight

4.5 lbs

Finish

Black

Input Sensitivity For Full Output

240mVrms from left input with volume

control at 0dB, 90mVrms with volume

control fully clockwise.

Input Impedance

8.2 kilo-ohm line-level inputs

32-ohm speaker-level inputs

Internal System Gain

42dB from left input jack to speaker with the

Bass Level control at 0dB, 54dB with the

control full clockwise

Output Power into 4 ohm load 280 WRMS

Output Power into 8 ohm load 140 WRMS

PRODUCT SUPPORT

Please contact Earthquake Sound Technical Support Department for questions regarding any of

the products mentioned in this manual.

Earthquake Sound Corporation

(800) 576-7944 or (510) 732-1000, 9:00am - 5:00pm Mon-Fri, Pacific Time

Email us at: [email protected]

8 9

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