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B-52 ACTPRO-18S HD 1000W 18″ Powered Subwoofer

  • Features rugged birch plywood construction, durable, black Warnecke® paint finish and 16-gauge wrap-around steel grilles.
  • Custom Celestion loudspeakers and compression drivers are used in all full-range models.
  • Designed to withstand abuse of the road.

 

At a Glance

 

ACTPRO-HD series powered loudspeakers were designed using advanced acoustic and sound processing techniques with premium components, comprehensive protection circuitry, and robust construction to provide years of consistent, reliable performance.

Key features include: High efficiency Class G low frequency amplification with a high current output stage, clip/limier, thermal, and short circuit protection; optimized acoustic designs using PETP (low mass synthetic material) film compression driver diaphragms; heat vented low frequency drivers; and sturdy birch plywood.

Specifications

 

SYSTEM

• Built-in BBE® Sonic Maximizer
(Stereo in subwoofer models, allowing BBE processing on your entire speaker system.

• High efficiency Class G low frequency amplification with custom signal processing

• Built-in compressor/limiter
• Subsonic filter: 12dB/octave
• Full thermal & short circuit protection
• Ground lift switch
• Large heatsink with ultra silent convection cooling • Oversized toroidal transformer
• LEDs for Power, Protect, Limit and Signal
• Front logo illuminated with defeatable blue LED
• 115V/230V 60Hz/50Hz selector switch

 

Compression Driver: 1” exit Celestion Compression Driver with PETP film diaphragm

 

Horns: 90° x 40° constant directivity horn (ACTPRO-1515 HD)

 

LF Transducers:

• Vented magnet assemblies for advanced cooling
• High temperature copper voice coil wound on polyamide former for increased reliability
• Celestion SP-1500 (ACTPRO-1515 HD)
• Proprietary B-52 18-190S-4 cast frame subwoofer

 

PETP-FILM DIAPHRAGM COMPRESSION DRIVER 

• Optimized acoustic and magnetic design achieves outstanding clarity and reliability
• A one-piece, PETP film diaphragm and surround optimizes energy transfer for greater efficiency
• Patented clamping system yields low distortion performance while improving the mid-band response
• Polyimide-insulated, copper-clad aluminium voice coil is edgewound on a glass-fiber former producing lower distortion and superior power-to-weight ratio
• A matched wave front phase corrector produces a coherent sound wave at the horn throat, yielding detailed and dynamic mid and high frequency response

 

CABINET FEATURES

• Made in U.S.A.
• 5/8” birch plywood construction 
• Reinforced internal bracings
• Environmentally friendly Warnex® scratch resistant black paint finish
• 16-gauge, wrap-around steel grilles
• Metal handles and rubber feet

 

BBE SONIC MAXIMIZER

• The BBE® Sonic Maximizer circuitry takes already great sounding systems to the next level

• Adds punch and depth that can be both heard and felt

• Improves the clarity and intelligibility of vocals, musical instruments and adds overall depth to the audio program
• Controls for LF (low frequency) Contour and HF (high frequency) process to adjust the exact amount of BBE® processing added to your mix
• Red illiminated ON/OFF switch to activate BBE processing.

 

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