Overview
With the ability to provide 500W of power, the B-52 ACT-PRO15 ultra-efficient Class G amplifier is the ultimate centerpiece for any PA speaker build. The bi-amp design features discrete output stages for both the woofer and compression driver. This design allows for clear, rich, and powerful sound in a compact footprint. Even at extreme SPLs, the amplifier retains sonic accuracy thanks to the built-in compressor/limiter, 4th order electronic crossover, subsonic filter, low cut switch (18 dB/octave @ 100 Hz), and thermal and short circuit protection. Perfect for today's professional, the ACT-PRO15 provides reliable, power, sound, and durability for any PA system.
Details:
• Bi-amp design with discrete output stage for both the woofer and compression driver
• Woofer low pass filter: 1,400 Hz, 24 dB/octave Butterworth
• Tweeter high pass filter: 1,820 Hz, 24 dB/octave Linkwitz-Riley
• Proprietary efficient class-G amplification on low frequency channel
• Subsonic filter: 30 Hz 12dB/octave
• Built-in compressor/limiter
• Balanced XLR input (Left and Right on ACTPRO18S Sub)
• Balanced XLR full-range output
• 100Hz 18dB/octave low cut switch
• Ground lift switch
• Full thermal & short circuit protection
• Large heatsink with convection cooling
• Oversized toroidal transformer
• LEDs for Power, Protect, Limit and Signal
• 115V/230V 60Hz/50Hz selector switch
For over 30 years, B-52 has manufactured Pro Audio gear in California using only high quality components. We recently acquired tons of product from them so they could free up space in their warehouse. This huge buyout of woofers, compression drivers, horns, crossover components, and cabinet hardware is listed here for a fraction of what you would normally pay. Many drivers in this factory buyout are New Old Stock (NOS) from famous brands and would be considered vintage. Like the B-52 bomber, this factory buyout travels the globe and includes drivers manufactured by famous brands around the world in places like the UK, USA, Denmark, and Brazil. This is a one-time buyout opportunity so quantities are limited.
Specifications: • Amplifier type: Class G bi-amp design with discrete output stage for woofer and compression driver • Power handling: 500W • 4th order electronic crossover and multi-stage custom EQ • Built-in compressor/limiter • Input: XLR balanced • Output: Balanced XLR full-range • Low cut: 18 dB/octave @ 100 Hz • Ground lift switch • Full thermal and short circuit protection • Power requirement: 115/ 230 VAC, 60/50 Hz • Cutout dimensions: 17.5" x 7.75" • Dimensions: 18.25" x 8.75" x 3.25".
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