Inside this instruction manual – E.T.I. SOUND SYSTEMS B 52 L User Manual

Page 2

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INSIDE THIS INSTRUCTION MANUAL

Important Safety Instructions / Specifications ..........................................................2
Important Information...................................................................................................3
Amplifier Descriptions..................................................................................................4
Set-up & Warranty Information....................................................................................5-7
Contact Information......................................................................................................8

1) Read these instructions.
2) Follow all instructions
3) Keep these instructions
4) Heed all warnings
5) Do not use the MATRIX 1000 near water. Be

extra cautious when moving the system during
rain or while transporting the system over wet
surfaces as water might splash onto the amplifier.

6) Clean only with dry cloth.
7) Do not block any ventilation openings. Install

in accordance with manufacturer’s instructions.

8) Do not install near heat sources such as

radiators, stoves or other devices that may
produce heat.

9) Do not defeat the safety purpose of the

polarization or grounding-type plug. A
polarized plug has two blades with one wider
than the other. A grounding-type plug has two
blades and a third grounding prong. The wide
blade or the third prong is provided for your
safety. If the provided plug does not fit your
outlet, consult an electrician for replacement
of the obsolete outlet.

10) Protect the power cord from being walked on

or pinched, particularly at the plug and the
point where it exits the MATRIX 1000 amplifier.

11) Only use attachments / accessories specified

by B-52 Pro-Audio.

12) Use caution when transporting the system to

avoid injury from tip-over.

13) Unplug the MATRIX 1000 during lightning

storms and when not in use.

14) Refer all servicing to qualified to personnel.

Servicing is required when the MATRIX 1000
has been damaged in any way such as when
power-cord or plug is damaged, liquid has
been spilled into the cabinets, the unit has
been exposed to moisture or rain, does not
operate normally, or has been dropped.

15) To reduce the risk of fire or electric shock, do

not expose the MATRIX 1000 to rain or moisture.

16) The MATRIX 1000 is not intended for outdoor

fixed installations or in high moisture areas.
Moisture can damage the speakers and can
use cause corrosion of electrical contacts.
Keep speakers out of extended or intense
direct sunlight. The subwoofer spider and
surround will prematurely dry out and finished
surfaces may fade and be damaged by long-
term exposure to intense ultra-violent light.

IMPORTANT SAFETY INFORMATION

CAUTION

CAUTION

RISK OF ELECTRIC SHOCK

RISK OF ELECTRIC SHOCK

DO NOT OPEN

DO NOT OPEN

HEED ALL WARNINGS

WARNING: To reduce the risk or fire or
electrical shock do not expose this
equipment to rain or moisture.

AMPLIFIER SPECIFICATIONS:
Subwoofer Power Output:

400 W / 8 Ohms @ 1% THD

10” Two-way Power Output:

150 W / 4 Ohms @ 1% THD

Line in:

XLR Female

Parallel out:

XLR Male

Input Impedance:

48 k Ohms

Speaker Out:

Speakon NL4 Style Connector

ACTIVE CROSSOVER:
Crossover Frequency:

120 Hz; 24 dB/ Octave

SUBWOOFER:
Speaker:

1 x 15” Custom Built B-52 Subwoofer

Nominal Impedance:

8 Ohms

Subwoofer Freq. Response:

40 Hz – 120 Hz +/- 3dB

Sound Pressure Level (1w/1m): 102 dB (half space)
Max. SPL:

127 dB @10% THD

Weight:

115 lbs

Dimensions (Transport):

28” (H) x 19” (W) x 23” (D)

10” TWO-WAY SPEAKERS:
Speaker Input:

Speakon style connector
(pin 1+ = +, pin 1- = -)

LF/MF Woofer:

1 x 10” Custom Built B-52 Transducer

HF Driver:

1 x 3/4” Titanium Diaphragm
on CD Horn

HF Dispersion:

90

O

x 40

O

Nominal Impedance:

4 Ohms

Active Freq. Response:

120 – 19K Hz +/- 3dB

Crossover Frequency (passive): 2.5 kHz; 12 dB / Octave
Sound Pressure Level (1w/1m): 101 dB (half space)
Max. SPL:

124 dB @10% THD

Weight:

25 lbs

Dimensions (Upright):

19” (H) x 12” (W) x 11” (D)

COMPLETE SYSTEM:
Weight:

165 lbs

Dimensions (Transport):

39” (H) x 19” (W) x 23” (D)

Note: Specifications are subject to change without notice

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