{"product_id":"b-52-actpro-18s-powered-subwoofer","title":"B-52 ACTPRO-18S Powered Subwoofer","description":"\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eACTPRO18S 700-Watt Powered 18\" Subwoofer — Cast-Framed\u003c\/span\u003e\u003c\/p\u003e \u003cdiv\u003e \u003c\/div\u003e \u003cdiv\u003e \u003cdiv\u003eThe new \u003cspan style=\"font-weight: bold;\"\u003eACTPRO Series\u003c\/span\u003e is an advanced line of made in the USA powered loudspeaker systems that offer the sonic accuracy, power and reliability demanded by today’s professional performers. Fuelled by B-52’s ultra-efficient Class-G \u003ca href=\"https:\/\/www.gearclubdirect.com\/amplifiers-1\/\"\u003eamplifiers\u003c\/a\u003e, ACTPRO systems deliver rich, clear sound at extreme SPLs. ACTPRO amplifiers employ sophisticated circuitry including acoustically tuned 4th order crossovers, four stages of equalization, a built-in intelligent compressor\/limiter and short circuit\/over-current protection. An extra high current output stage allows for uninterrupted extended play without risk of thermal shutdown. ACTPRO full-range amplifiers are bi-amped with fully discrete output stages.\u003c\/div\u003e \u003cdiv\u003e \u003c\/div\u003e \u003cdiv\u003eThe ACTPRO18S subwoofer features a built-in third-order crossover with High-Pass and Full-Range outputs, allowing easy expansion of your ACTPRO system. All ACTPRO cabinets are built in the USA at our state-of-the-art Los Angeles manufacturing facility. Each model features rugged birch plywood construction, durable, black Warnecke® paint finish and 16-gauge wrap-around steel grilles, all designed to withstand the abuse of the road. Custom Celestion \u003ca href=\"https:\/\/www.gearclubdirect.com\/speakers-and-subwoofers\/\"\u003eloudspeakers\u003c\/a\u003e and compression drivers are used in all full-range models. The ACTPRO12M is designed to be used as a main speaker or sit as a dedicated stage monitor. The powerful ACTPRO18S 18” subwoofer includes detachable 3” casters.\u003c\/div\u003e \u003cdiv\u003e\u003cspan style=\"font-weight: bold;\"\u003e \u003c\/span\u003e\u003c\/div\u003e \u003cdiv\u003e\u003cspan style=\"font-weight: bold;\"\u003eCLASS G AMPLIFIER FEATURES \u003c\/span\u003e\u003c\/div\u003e \u003cdiv\u003e \u003cul\u003e \u003cli\u003eBi-amp design with discrete output stage for both the woofer and compression driver\u003c\/li\u003e \u003cli\u003e4th order electronic X-over and multi-stage custom equalization\u003c\/li\u003e \u003cli\u003eProprietary efficient class-G amplification on LF channel\u003c\/li\u003e \u003cli\u003eSubsonic filter: 12dB\/octave\u003c\/li\u003e \u003cli\u003eBuilt-in compressor\/limiter\u003c\/li\u003e \u003cli\u003eBalanced XLR input (Left and Right on ACTPRO18S Sub)\u003c\/li\u003e \u003cli\u003eBalanced XLR full-range output (Left and Right on ACTPRO18S Sub)\u003c\/li\u003e \u003cli\u003eLeft and Right balanced XLR high-pass outputs on ACTPRO18S subwoofer\u003c\/li\u003e \u003cli\u003e0-1800 Phase switch on ACTPRO18S\u003c\/li\u003e \u003cli\u003e100Hz 18dB\/octave low cut switch on full range models\u003c\/li\u003e \u003cli\u003eGround lift switch\u003c\/li\u003e \u003cli\u003eFull thermal \u0026amp; short circuit protection\u003c\/li\u003e \u003cli\u003eLarge heatsink with convection cooling\u003c\/li\u003e \u003cli\u003eOversized toroidal transformer\u003c\/li\u003e \u003cli\u003eLEDs for Power, Protect, Limit and Signal\u003c\/li\u003e \u003cli\u003e115V\/230V 60Hz\/50Hz selector switch\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003cdiv\u003e\u003cspan style=\"font-weight: bold;\"\u003eLoudspeaker components\u003c\/span\u003e\u003c\/div\u003e \u003cdiv\u003e \u003cul\u003e \u003cli\u003eCompression Driver\u003c\/li\u003e \u003cul\u003e \u003cli\u003eCelestion 1”-exit with PETP film diaphragm\u003c\/li\u003e \u003c\/ul\u003e \u003cli\u003eConstant Directivity Horns\u003c\/li\u003e \u003cul\u003e \u003cli\u003e90 x 40 constant directivity horn (ACTPRO15 \u0026amp; ACTPRO1515)\u003c\/li\u003e \u003cli\u003eConical wave guide (ACTPRO12M)\u003c\/li\u003e \u003c\/ul\u003e \u003cli\u003eLow Frequency Transducers\u003c\/li\u003e \u003cul\u003e \u003cli\u003eVented magnet assemblies for advanced cooling\u003c\/li\u003e \u003cli\u003eHigh temperature copper-wound voice-coil on polyamide former for increased reliability\u003c\/li\u003e \u003c\/ul\u003e \u003cli\u003eCelestion SP-1200 (ACTPRO12M)\u003c\/li\u003e \u003cli\u003eCelestion SP-1500 (ACTPRO15 \u0026amp; ACTPRO1515)\u003c\/li\u003e \u003cli\u003eProprietary SP-1804 cast frame subwoofer (ACTPRO18S)\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003cdiv\u003e\u003cspan style=\"font-weight: bold;\"\u003ePETP-Film diaphragm compression driver\u003c\/span\u003e\u003c\/div\u003e \u003cdiv\u003e \u003cul\u003e \u003cli\u003eSophisticated computer modeling was used to optimize the magnetic and acoustic design of these ferrite magnet compression drivers to achieve outstanding performance and reliability.\u003c\/li\u003e \u003cli\u003eA 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.\u003c\/li\u003e \u003cli\u003eThe 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.\u003c\/li\u003e \u003cli\u003eA one-piece, PETP film diaphragm and surround optimizes energy transfer for greater efficiency\u003c\/li\u003e \u003cli\u003eThe unique patented clamping system contributes directly to low distortion performance while improving the lower mid-band response.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003cdiv\u003e\u003cspan style=\"font-weight: bold;\"\u003eCabinet features\u003c\/span\u003e\u003c\/div\u003e \u003cdiv\u003e \u003cul\u003e \u003cli\u003eMade in U.S.A. using advanced CNC routers \u003c\/li\u003e \u003cli\u003e5\/8” birch plywood construction (ACTPRO12M, ACTPRO15, ACTPRO1515)\u003c\/li\u003e \u003cli\u003e3\/4” birch plywood construction (ACTPRO18S)\u003c\/li\u003e \u003cli\u003eMain \u0026amp; monitor sitting positions (ACTPRO12M)\u003c\/li\u003e \u003cli\u003eReinforced internal bracings\u003c\/li\u003e \u003cli\u003eEnvironmentally friendly WarneckeTM scratch resistant black paint finish\u003c\/li\u003e \u003cli\u003e16-gauge wrap-around steel grilles\u003c\/li\u003e \u003cli\u003eMetal handles and rubber feet\u003c\/li\u003e \u003cli\u003eRubber strips (ACTPRO12M)\u003c\/li\u003e \u003cli\u003eMetal pole mounting cup (ACTPRO1515 excluded)\u003c\/li\u003e \u003cli\u003eFront logo illuminated with blue LED\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"B-52 Pro","offers":[{"title":"Default Title","offer_id":32389272666247,"sku":"ACTPRO-18S","price":749.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0319\/3687\/2583\/products\/img_proxy_443a9dc5-3adb-4a0c-830b-51c775579967.jpg?v=1582208314","url":"https:\/\/www.balkanimal.com\/products\/b-52-actpro-18s-powered-subwoofer","provider":"Audiofeen","version":"1.0","type":"link"}