SLV BL12 Series Class H Power Amp Module – 6000W Professional Drive Board

The SLV BL12 Series Module is a high-performance power stage designed for the rigorous demands of professional sound reinforcement. Utilizing a sophisticated Class H architecture, this module balances extreme power output with high-efficiency energy management. By intelligently switching between voltage rails based on the signal demand, it ensures the BL12 runs cooler and more reliably than standard Class AB amplifiers during long-duration high-SPL events.

This module is the heart of the BL12 system, optimized to drive heavy subwoofer loads and large-format line arrays with absolute precision.

Key Features & Build Quality

• Premium Semiconductor Logic: Designed for seamless integration with high-performance Toshiba semiconductors and ultra-reliable Rubycon capacitors.

• High-Current Handling: Reinforced circuit paths and heavy-duty wiring harnesses (Pre-soldered: Red, Yellow, White, Blue, Brown, Black) for direct installation.

• Superior Stability: Engineered for stable performance across 2Ω, 4Ω, and 8Ω loads, allowing for versatile speaker configurations.

• Integrated Protection Suite: On-board circuitry for Soft Start, Short Circuit Protection, Overload Clip Limiting, and Overheat Protection.

• Advanced Output Filtering: Features a high-gauge copper inductor and a blue safety relay to prevent DC offset and ensure clean signal delivery to the speakers.

Technical Specifications (BL12 Profile)

• Power Output (Stereo): 1600W (8Ω) | 2300W (4Ω) | 3000W (2Ω)

• Power Output (Bridge): 4400W (8Ω) | 6000W (4Ω)

• Frequency Response: $20\text{Hz} - 20\text{kHz}$

• Damping Factor: 1000 (Ensures tight control over heavy 18-inch woofer cones)

• Input Sensitivity: Switchable 0.775V / 1.0V / 1.4V

• Slew Rate: 42V/us (Delivers fast, accurate transient response)

• Signal-to-Noise Ratio: $>97\text{dB}$

Applications

• Professional Amp Repair: The direct factory-spec replacement module for SLV BL12 rack amplifiers.

• Touring & Concert Audio: Built to withstand the vibration and thermal stress of touring environments.

• Subwoofer Systems: Ideal for driving high-displacement dual 18-inch subwoofer cabinets in clubs or theaters.

🚚 Fast & Reliable Delivery Across India

We strive to ensure a smooth and quick delivery experience for all our customers.

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  Same-Day Dispatch: All orders are usually dispatched on the same day, with daily cut-off around 4:00 PM IST.
  
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  Delivery Time: You can expect your order to reach you within 4–5 working days, depending on your location.
  
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  Pan India Shipping: We deliver across all cities and villages in India, so no matter where you are, we’ve got you covered.
  
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  Trusted Courier Partners: Your orders are shipped through reliable logistics partners like DTDC and Delhivery to ensure safe and timely delivery.
  

💡 Whether it’s a metro city or a remote village, you don’t need to worry — we make sure your order reaches you securely.

🎥 Watch Product Review & Testing Video

Explore the complete review and real-time testing of this product on our YouTube channel SLV INDIA to understand its performance and quality before you buy.

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📩 Email: info@slvsales.in

📞 Call/WhatsApp: +91 98888 24825