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The 200 Watt HiFi Mono Amplifier Board is engineered for audio professionals and enthusiasts looking for a reliable and powerful amplification solution. Utilizing top-grade components, including 2SC5200 and 2SA1943 power transistors, this assembled board is perfect for various audio applications. It boasts an ultra-low Total Harmonic Distortion (THD), making it an ideal choice for guitar amplifiers, home theaters, studio monitors, and musical instrument amplifiers. This compact board supports 4 & 8 ohm speakers and can handle between 100 to 300 watts of speaker compatibility, confirming its versatility in different setups. Operating within a voltage range of ±18 to ±45 Volt DC, it is most effective when paired with a transformer rated at 30-0-30 VAC at 3-5 amperes. To facilitate assembly and troubleshooting, a detailed wiring diagram, bill of materials (BOM), and instructions are included with every unit. The frequency response of 20 Hz to 50 KHz enables high-fidelity amplification of musical instruments such as guitars, keyboards, and banjos, making this amplifier board an essential addition to any audio setup. Whether you're building a custom speaker box, a powerful subwoofer amplifier, or a public address system for events, this amplifier board guarantees crystal-clear audio performance with unmatched clarity.
Introducing the 400 Watt Hi-Fi Mono Amplifier Board, expertly designed and assembled to provide unparalleled audio performance. This powerful amplifier utilizes industry-standard 2SC5200 and 2SA1943 transistors, ensuring ultra-low distortion and noise levels. This board is versatile and compatible with both 4 & 8-ohm speakers, making it suitable for usage with speaker power ratings ranging from 100 to 600 watts. With a working voltage of ±18 to ±45 Volt DC, it's recommended to pair this amplifier with a 30-0-30 VAC transformer rated at 5-8 Amperes. Ideal for various applications, this amplifier board excels in amplifying musical instruments, making it a perfect choice for guitar, keyboard, and banjo amplification. Its compact design allows for seamless integration into speaker enclosures, transforming them into high-performance setups. As a subwoofer amplifier, it delivers powerful amplification of low-frequency sounds, making it ideal for enhancing audio in public address systems and large gatherings such as family functions and wedding parties. Experience music like never before—clear and engaging, with a frequency response from 20 Hz to 50 KHz. The thoughtfully designed board measures 130 mm x 82 mm (5 inches x 3.2 inches) and comes complete with a fully assembled amplifier board, a quick reference guide, and a circuit diagram for ease of use. Whether you’re setting up a home audio solution or requiring high-fidelity performance for professional audio setups, this amplifier delivers best-in-class performance for all your audio needs.
The 12V Stereo Speaker Protection Board is an essential component for audio professionals and hobbyists looking to safeguard their speaker systems from potential damage. Designed to handle high current capacities of up to 10 Amperes, this dual-channel protection board utilizes a standard sugar cube relay for reliable operation and error detection. It features easy-to-read indicators for both error and standard operation, aiding in quick troubleshooting. The board offers DC detection capabilities that can activate protection mechanisms with as low as 2 volts of DC, ensuring that your speakers remain safe from harmful signals. This protection board is compatible with both stereo and mono audio power amplifiers, making it a versatile addition to any audio setup. It operates effectively with a working voltage range of 0 to 12V AC, ensuring broad usability across various devices. Additionally, the protection board offers a crucial turn-on delay of 2 to 5 seconds, providing an extra layer of safety by mitigating on/off transients that can harm speakers. Constructed using standard components available at local electronics stores or online, this assembled board ensures straightforward soldering and replacement processes due to its use of through-hole components, eliminating the complication of surface-mount device (SMD) soldering. Ideal for both professional audio systems and DIY projects, the 12V Stereo Speaker Protection Board delivers reliable performance while offering peace of mind against electrical faults.
Introducing our state-of-the-art 12V Stereo Speaker Protection Board, designed specifically for protecting your dual-channel speaker systems from harmful DC voltages and transients. With a maximum output current of 10 amperes, this new version PCB features a robust standard sugar cube relay, ensuring reliable performance in safeguarding your speakers. Its innovative design includes error and OK LEDs for straightforward fault diagnosis, allowing users to quickly identify issues without technical expertise. The board also incorporates a 1 to 2-second turn-on delay, further enhancing speaker protection by buffering against sudden power fluctuations. Whether you're dealing with just 2 volts of DC or more, this protection board is engineered to detect DC leakage, preventing it from turning on the relay and thereby ensuring your speakers remain unharmed. Operating efficiently with a voltage range of 0 – 12V AC, the board's power supply rectifier and voltage regulators are built-in, enabling compatibility with up to 30 Volts AC supply. Constructed with only standard through-hole components, this PCB not only simplifies soldering and component replacement but also makes procurement easier as all parts are readily available at local electronics shops. Cost-effective and efficient, this speaker protection board enables exceptional speaker care while delivering substantial savings compared to similar products in the market.
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