B-52 ACT-18 Instruction Manual - Important Safety
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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:
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Made In The U.S.A.
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1200 watt RMS Digital Amplification.
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800 watts RMS @ 8 Ohms.
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1200 watts RMS @ 4 Ohms.
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Frequency Range: 30-120Hz (+/- 3db).
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Crossover Frequency: 120 Hz.
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Crossover Slope: 4th Order (24db/octave) - LP & HP
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Subsonic Filter: 6th Order (36 db/octave).
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THD: 0.075% @ Rated Power Over Full Bandwidth.
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Nominal Impedance: 8 Ohms
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Sensitivity: 102 dB
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Peak SPL: 132 dB
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Power Consumption @ Idle: Less than 20 watts.
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Power Requirements: 120v<>60Hz<>12a.
AMPLIFIER FEATURES:
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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:
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Solid Void-Free Plywood Construction.
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Scratch Resistant Black Carpet Finish.
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3” Heavy-Duty Detachable Casters.
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16-Gauge Perforated Steel Grill.
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Pole-Mount Receptacle.
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Dimensions (W) x (H) x (D): 24” x 33” x 22”
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Weight: 110 lbs