D1047 High-Power 70W Mono Transistor Audio Amplifier Board – Class AB Professional Series – 25V AC Powered Heavy-Duty Sound Kit

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₨ 690

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  • 🔊 70W High-Power Output: Delivers a powerful mono signal, specifically designed for driving heavy-duty speakers.

  • 🏗️ D1047 Transistor Core: Utilizes premium high-current transistors for consistent professional performance.

  • 📉 Class AB Efficiency: Combines the high-fidelity sound of Class A with the efficiency of Class B for over 80% power efficiency.

  • 📏 Optimized for 10-Inch Drivers: Specifically tuned to provide the best response for 10-inch speakers and 8-inch cabinets.

  • ⚡ Stable A.C. Input System: Designed for 25V+25V 6A AC power supplies to ensure a steady and hum-free audio experience.

  • 🎸 Full Frequency Range: Covers everything from 20Hz to 2000Hz, delivering deep, punchy bass and rich mids.

  • ❄️ Heavy-Duty Cooling: Features a large, high-surface-area aluminum finned heatsink to prevent thermal throttling.

  • 🔗 Easy Integrated Connections: Clearly labeled board for Speaker Ground, Audio Input, and A.C. Power for fast wiring.

  • 🛡️ Wide Impedance Range: Supports a variety of speaker configurations from 4$\Omega$ to 8$\Omega$ with ease.

  • 🛠️ DIY Enthusiast Friendly: The ideal core component for building Subwoofers, Home Audio Upgrades, or Portable PA Systems.

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Unleash the full potential of your sound system with the D1047 Mono Audio Amplifier Circuit Kit. Engineered for audiophiles and professional DIY builders, this high-performance Class AB amplifier delivers a robust 70 Watts of clean, distortion-free power. At the heart of this board is the legendary D1047 power transistor, known for its reliability and superior thermal stability. Whether you are building a custom subwoofer, upgrading a home theater, or designing a high-output PA system, this board provides the “Pure Power” needed to drive large speakers with absolute clarity.

Designed for maximum efficiency and longevity, the board features a Massive Aluminum Finned Heatsink to maintain optimal transistor temperatures even during peak performance. With a power efficiency of over 80%, you get more acoustic energy and less wasted heat. The integrated connection architecture includes clear labeling for A.C. Input, Audio Input, and Speaker Output, making the assembly process seamless for makers of all levels. Experience a full frequency range from 20Hz to 2000Hz that brings out deep, thumping bass and crystal-clear mid-tones.

🛠️ Technical Specifications

Feature Specification
Product Name D1047 Mono Audio Amplifier Kit
Amplifier Type Class AB Transistor-Based
Output Power 70W RMS (Single Channel Mono)
Supply Voltage 25V-0-25V AC (6A Transformer Recommended)
Frequency Response 20Hz to 2000Hz (Deep Bass & Mid-Range)
Recommended Speaker 10 Inches (Optimized) / 8 Inches (Compatible)
Impedance Support Flexible 4$\Omega$ to 8$\Omega$ Loads
Power Efficiency Over 80%
Cooling System Integrated Heavy-Duty Large Aluminum Heatsink

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