850-Watt Dual 15" 2-Way —Bi-Amped Active System
CLASS G AMPLIFIER FEATURES
• Bi-amp design with discrete output stage for
both the woofer and compression driver
• 4th order electronic X-over and multi-stage
custom equalization
• Proprietary efficient class-G amplification
on LF channel
• Subsonic filter: 12dB/octave
• Built-in compressor/limiter
• Balanced XLR input (Left and Right
on ACTPRO18S Sub)
• Balanced XLR full-range output
(Left and Right on ACTPRO18S Sub)
• Left and Right balanced XLR
high-pass outputs on ACTPRO18S
subwoofer
• 0-1800 Phase switch on ACTPRO18S
• 100Hz 18dB/octave low cut switch on
full range models
• 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
Cabinet features
• Made in U.S.A. using advanced CNC routers
• 5/8” birch plywood construction
(ACTPRO12M, ACTPRO15, ACTPRO1515)
• 3/4” birch plywood construction (ACTPRO18S)
• Main & monitor sitting positions (ACTPRO12M)
• Reinforced internal bracings
• Environmentally friendly WarneckeTM
scratch resistant black paint finish
• 16-gauge wrap-around steel grilles
• Metal handles and rubber feet
• Rubber strips (ACTPRO12M)
• Metal pole mounting cup (ACTPRO1515 excluded)
• Front logo illuminated with blue LED
Loudspeaker components
Compression Driver
• Celestion 1”-exit with PETP film diaphragm
Constant Directivity Horns
• 90 x 40 constant directivity horn
(ACTPRO15 & ACTPRO1515)
• Conical wave guide (ACTPRO12M)
Low Frequency Transducers
• Vented magnet assemblies for
advanced cooling
• High temperature copper-wound
voice-coil on polyamide former
for increased reliability
• Celestion SP-1200 (ACTPRO12M)
• Celestion SP-1500 (ACTPRO15 &
ACTPRO1515)
• Proprietary SP-1804 cast frame
subwoofer (ACTPRO18S)
PETP-Film diaphragm compression driver
• Sophisticated computer modeling was used to optimize the magnetic and acoustic design of
these ferrite magnet compression drivers to achieve outstanding performance and reliability.
• A matched wave front phase corrector produces a perfectly coherent sound wave at the horn throat, for a detailed and dynamic mid and high frequency performance.
• The polyamide-insulated, copper-clad aluminum voice coil is edge-wound on a glass fiber former resulting in lower distortion and superior power to weight ratio.
• A one-piece, PETP film diaphragm and surround optimizes energy transfer for greater efficiency
• The unique patented clamping system contributes directly to low distortion performance while improving the lower mid-band response.
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