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1-7/8”
(47mm)

1 - 1 / 4 ”

(31.5mm)

15/16”
(22.5mm)

Long Mounting Ear

sold separately (model
no. RM-300FR)

Short Mounting Ear

included with
every XJ-300ST

5-1/4” (133.5mm)

15/16”
(22.5mm)

1-7/8”
(47mm)

1” (25mm)

1 - 1 / 4 ”

(31.5mm)

Specifications

Dimensions

16

Earthquake Sound Corp. | www.earthquakesound.com

XJ-300ST Manual

XJ-300ST Manual 17

Specifications are subject to change without notice

1 x 170 Watts RMS @ 8-Ohm Mono 1
x 300 Watts RMS @ 4-Ohm Mono

(Do not use this amplifier in 2-Ohm)

2 x 170 Watts RMS @ 4-Ohm

2 x 110 Watts RMS @ 8-Ohm

20Hz - 20kHz

< 0.08%

> 97 dB

RCA

> 400

10 kOhm

5-way binding posts

0 - 5V

Yes (1U)

110-115V~60Hz: ø5x20mm, T5.0AL/250V

220-240V~50Hz: ø5x20mm, T5.0AL/250V

Output Power

Frequency Response

Total Harmonic Distortion

Signal to Noise Ratio

Input Connections

Damping Factor

Input Impedance

Output Connections

Rack Mountable

Fuse Ratings

Input Sensitivity for

Full Output

8-11/16” (220mm)

1-7/8” (47mm)
without feet

9-11/16” (246m)
with terminals & knobs

XJ-300ST

FUSE RATING: T5.0AL/250V

Summary of Contents for XJ-300ST

Page 1: ...Amplifier Earthquake Sound reserves the right to amend details of the specifications without notice Copyright Earthquake Sound Corporation Earthquake Sound Corporation 2727 McCone Avenue Hayward CA 9...

Page 2: ...struction 2 Store this manual and packaging in a safe place 1 Read these instructions in their entirety 3 Heed all warnings 4 Follow instructions do not take short cuts 5 Do not use this apparatus nea...

Page 3: ...two channel 2 1 channel or bridged as a 1 channel amplifier The XJ 300ST runs completely cool while outputting twice the power of most amplifiers its size Therefore it is extremely flexible and can be...

Page 4: ...et to LOWPASS To do this with the highest accuracy you will need an SPL meter available at most electronics stores To set the phase a Send a 50Hz continuous tone signal through the speakers and the su...

Page 5: ...positive to the L terminal and the subwoofer negative to the R terminal 3 12V Trigger Input Used when an external source is powering the XJ 300ST For this to work the Signal Sense toggle switch in th...

Page 6: ...MANNER ARE NOT COVERED BY WARRANTY 1 Line up the linking bolts on one amplifier with the linking holes of the other amplifier and push them towards each other 2 Once the linking bolts are in the linki...

Page 7: ...er To Power the Q10B Tactile Transducer Mono Wiring NOTE Make sure the front toggle switch is set to LOWPASS Then set the CROSSOVER between 50Hz 100Hz Q10B Tactile Transducer Receiver Processor Connec...

Page 8: ...eceiver Processor To Power the Rock ON Outdoor 2 1 System Option 1 NOTE Make sure the front toggle switch is set to BYPASS DO NOT set the volume too high as doing so may overload the speakers Granite...

Page 9: ...8 Ohm Mono 1 x 300 Watts RMS 4 Ohm Mono Do not use this amplifier in 2 Ohm 2 x 170 Watts RMS 4 Ohm 2 x 110 Watts RMS 8 Ohm 20Hz 20kHz 0 08 97 dB RCA 400 10 kOhm 5 way binding posts 0 5V Yes 1U 110 11...

Page 10: ...owing Damages to speaker cabinet and cabinet finish due to misuse abuse or improper use of cleaning materials methods Bent speaker frame broken speaker connectors hole s in speaker cone hole s in surr...

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