{"product_id":"celto-hfd51-8dk-diaphragm-replacement-for-bt152mk2-3","title":"Celto HFD51-8DK Diaphragm Replacement for BT152MK2\/3","description":"\u003cul\u003e\n\u003cli\u003eThe High-Frequency Replacement Diaphragm is a premium, factory-grade audio repair component engineered to restore pristine treble clarity and high-SPL performance to professional compression drivers.\u003c\/li\u003e\n\u003cli\u003eDesigned as an exact-fit voice coil and dome assembly, this precision-calibrated replacement part is meticulously tailored for sound reinforcement technicians, rental audio crews, and venue engineers who need a direct drop-in solution to service and revive damaged high-frequency drivers.\u003c\/li\u003e\n\u003cli\u003eOperating at a standard 8-Ohm nominal impedance, the diaphragm is engineered to handle intense electrical current from high-power passive crossovers without sacrificing transient response.\u003c\/li\u003e\n\u003cli\u003eThe assembly features a high-grade dome structure coupled with a precision-wound voice coil designed for optimal thermal dissipation and high acoustic power tracking.\u003c\/li\u003e\n\u003cli\u003eFabricated with integrated terminal contact points and an exact-alignment outer chassis frame, this replacement diaphragm provides a seamless fit and immediate restoration of crisp vocal intelligibility and high-frequency sparkle under demanding, live venue conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eTargeted System Compatibility Drop-In: Engineered specifically to match the physical tolerances and acoustic parameters of the companion 15-inch dual speaker enclosures.\u003c\/li\u003e\n\u003cli\u003eThis exact factory calibration is perfectly optimized for immediate field replacement.\u003c\/li\u003e\n\u003cli\u003eHigh-Conductivity Precision Voice Coil: Wound with high-temperature wire on a resilient former substrate.\u003c\/li\u003e\n\u003cli\u003eThis robust thermal layout is ideal for managing sudden signal spikes and sustained high-frequency drive levels without suffering electrical burnout.\u003c\/li\u003e\n\u003cli\u003eOptimized High-Frequency Dome Geometry: Fabricated from an acoustically responsive, lightweight material matrix.\u003c\/li\u003e\n\u003cli\u003eThis strategic physical profile is critical for maintaining linear frequency response, low harmonic distortion, and crisp transient punch.\u003c\/li\u003e\n\u003cli\u003eSeamless Alignment Chassis Frame: Built with precision-stamped outer positioning holes.\u003c\/li\u003e\n\u003cli\u003eThis drop-in structural envelope is essential for ensuring perfect centering of the voice coil inside the driver's narrow magnetic gap during installation.\u003c\/li\u003e\n\u003cli\u003eReliable 8-Ohm Impedance Integration: Configured with a standardized nominal impedance profile. This electrical matrix is perfect for maintaining original factory crossover points, phase relationships, and amplifier load matching.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eComponent Type: High-Frequency Compression Driver Replacement Diaphragm Kit\u003c\/li\u003e\n\u003cli\u003eModel Designation: HFD51-8DK\u003c\/li\u003e\n\u003cli\u003eNominal Electrical Impedance: 8 Ohms\u003c\/li\u003e\n\u003cli\u003eVoice Coil Configuration: High-Temperature Precision-Wound Assembly\u003c\/li\u003e\n\u003cli\u003eChassis Positioning Architecture: Integrated Alignment Frame with Factory Terminal Leads\u003c\/li\u003e\n\u003cli\u003eAcoustic Profile: Extended High-Frequency Response with Low Insertion Distortion\u003c\/li\u003e\n\u003cli\u003ePrimary System Compatibility: Explicitly Calibrated for Factory Replacement in Specific 15-Inch Dual Cabinet Series (BT152 MKII and MKIII)\u003c\/li\u003e\n\u003cli\u003ePrimary Application: Repairing blown compression drivers, rebuilding high-frequency speaker components, servicing touring PA systems, and restoring stage monitor intelligibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat’s in the Box\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Replacement High-Frequency Driver Diaphragm Assembly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celto Acoustique","offers":[{"title":"Default Title","offer_id":42825063301191,"sku":"80453208","price":1399.9,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/6598\/6375\/files\/Shopify--2026-05-27T114104.428.png?v=1779874941","url":"https:\/\/philtron.co.za\/products\/celto-hfd51-8dk-diaphragm-replacement-for-bt152mk2-3","provider":"Philtron","version":"1.0","type":"link"}