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INSIDE THIS INSTRUCTION MANUAL

Important Safety Instructions / Specifications ..........................................................2
Set-up Information ........................................................................................................3
Panel Specifications .....................................................................................................4
Controls and Connections ...........................................................................................5-7
Contact Information......................................................................................................8

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1. Read these instructions.

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2. Follow all instructions.

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3. Keep these instructions.

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4. Heed all warnings.

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5. Do not use the ACT-18 near water.

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6. Clean only with a dry cloth.

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7. Do not block any ventilation openings. 

Install in accordance with the manufacturer’s 

instructions.

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8. Do not install near any heat sources such as 

radiators, stoves, or other devices that may 

produce heat.

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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 ACT-18 amplifier.

11. Only use attachments  / accessories specified

by B-52 Pro-Audio.

12. Use only with a cart, stand, bracket or table 

specified by B-52 Pro-Audio or sold with 

the ACT-18. When a cart is used, use caution

when moving the cart / ACT-18 combination to

avoid injury from-tip over.

13. Unplug the ACT-18 during lightning storms or 

when un-used for long periods of time.

14. Refer all servicing to qualified personnel. 

Servicing is required when the ACT-18 has 

been damaged in any way such as when 

power-cord or plug is damaged, liquid has 

been spilled, or objects have fallen into the 

ACT-18 cabinet, the ACT-18 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 ACT-18 to rain or moisture.

IMPORTANT SAFETY

INFORMATION

CAUTION

CAUTION

RISK OF ELECTRIC SHOCK

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:

●  

Made In The U.S.A.   

● 

1200 watt RMS Digital Amplification.

●  

800 watts RMS @ 8 Ohms.

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1200 watts RMS @ 4 Ohms.

● 

Frequency Range: 30-120Hz (+/- 3db).

● 

Crossover Frequency: 120 Hz.

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Crossover Slope: 4th Order (24db/octave) - LP & HP

● 

Subsonic Filter:  6th Order (36 db/octave).

● 

THD: 0.075% @ Rated Power Over Full Bandwidth.

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Nominal Impedance: 8 Ohms

● 

Sensitivity: 102 dB

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Peak SPL: 132 dB

● 

Power Consumption @ Idle: Less than 20 watts.

● 

Power Requirements: 120v<>60Hz<>12a.

AMPLIFIER FEATURES:

●  

XLR Balanced Inputs.

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XLR Balanced Full-Range Outputs 

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XLR Balanced (120 Hz) High-Pass Outputs.

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0–180 Degree Phase Switch.

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Neutrik Speaker Output.

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Full Thermal & Short Circuit Protection.

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Signal Sensing On/Off Circuitry.

CABINET FEATURES:

Solid Void-Free Plywood Construction.

Scratch Resistant Black Carpet Finish.

3” Heavy-Duty Detachable Casters.

16-Gauge Perforated Steel Grill.

Pole-Mount Receptacle.

Dimensions (W) x (H) x (D): 24” x 33” x 22”

Weight: 110 lbs

 

Содержание ACT-18

Страница 1: ......

Страница 2: ...ng storms or when un used for long periods of time 14 Refer all servicing to qualified personnel Servicing is required when the ACT 18 has been damaged in any way such as when power cord or plug is damaged liquid has been spilled or objects have fallen into the ACT 18 cabinet the ACT 18 has been exposed to moisture or rain does not operate normally or has been dropped 15 To reduce the risk of fire...

Страница 3: ...ker on a pole designed for a single speaker Do not mount a speaker above the subwoofer in windy conditions B 52 Pro Audio recommends that you not lift the speaker above the subwoofer alone Hearing damage prolonged exposure to excessive SPL B 52 Pro Audio speakers especially the ACT 18 S are capable of producing sound pressure levels SPL suf ficient to cause permanent hearing damage to performers p...

Страница 4: ...s Send stereo high pass signal 120 Hz and above directly to active full range speakers or through a rack mount amplifier to passive speakers 18 External Speaker On Off Switch Turns Speakon NL 4 connector and external subwoofer on and off When only using the ACT 18 turn this switch off When an external non powered subwoofer ACT 18S is connected turn this switch on NEVER turn switch on or off while ...

Страница 5: ... Amplifier Designed by ETI Sound Systems B 52 Pro Audio Huntington Park CA Model ACT 18 May be covered by one or more patents pending MADE IN U S A WARNING To reduce the risk or fire or electrical shock do not expose this equipment to rain or moisture Please read instructions prior to operation MADE IN U S A B 52 L R Level Phase 0 180 L R ON OFF ACT 18 1 2 3 4 5 6 7 8 9 10 11 12 ACT 18 DIGITAL AMP...

Страница 6: ...20 V AC 60 Hz Fuse Power External Speaker On High Pass Full Range Input Outputs Protection Power CAUTION CAUTION Off Sub Out N tr k Pi 1 or 2 1 2 Digital Amplifier D d b ETI Sound Systems B 52 Pro Audio Huntington P k CA M d l ACT 18 May be d b at nt d MADE IN U S A WARNING To reduce the risk or fire or l tr al h k d t this equi nt t t Plea d tr t t rat MADE IN U S A B 52 L R Level Phase 0 180 L R...

Страница 7: ... B 52 AMPLIFIER E T I Sound Systems Inc warrants the original purchaser that the B 52 amplifier will be free from defects in material and workmanship for a period of 2 TWO YEARS from the original purchase date A dated sales receipt will establish coverage under this warranty This warranty will automatically terminate 2 two years after the original sales date If this product is defective in materia...

Страница 8: ...E T I SOUND SYSTEMS INC 3383 Gage Avenue Huntington Park CA 90255 Phone 323 277 4100 Fax 323 277 4108 National 1 800 344 4ETI Internet www B 52PRO com E mail info B 52PRO com 8 ...

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