Audio schematics

Build your own affordable hearing aid circuit with just four transistors and create a revolutionary solution for enhanced hearing. This schematic utilizes readily available components to deliver exceptional sound amplification and is perfect for ambitious makers and audiophiles.... [read more]

Unleash the power of sound with this revolutionary circuit, designed to capture faint whispers and distant sounds with incredible clarity. Perfect for discerning listeners and ambitious builders, this amplifier, paired with 32 Ohm earphones, reveals hidden audio with remarkable sensitivity. Build your own amplified hearing solution and experience the world in a whole new way.... [read more]

Build your own affordable electronic hearing aid and unlock the potential for amplified sound. This detailed schematic guides you through assembling a 3V hearing aid utilizing the TDA2822M audio amplifier IC, perfect for creating a powerful and compact solution.... [read more]

Unlock exceptional audio fidelity with this high-performance headphone amplifier, delivering up to 200mW power and pristine sound quality for your favorite headphones.... [read more]

Unleash the potential of this versatile amplifier circuit, designed for a wide range of audio applications. This 50K opamp-based design, boosted by two transistors, delivers a maximum output of 90mR into 8W headphones and boasts a stunning 0.5dB drop at 30Hz and 20kHz. Build your innovative projects with this powerful and adaptable schematic.... [read more]

**Unlock the Potential of Your Audio with This High-Performance Amplifier** This innovative amplifier design, derived from the Portable Headphone Amplifier, delivers a remarkable 427mW RMS output into a 32 Ohm load at 100mA. Experience a meticulously engineered push-pull Class-A configuration, achieving exceptional frequency stability through a shunt-feedback circuitry. Build your dream audio project today!... [read more]

Build your dream audio amplifier and unlock exceptional sound quality. This detailed schematic, featuring 3 components, provides a solid foundation for headphone amplification, with a crucial R3 adjustment for optimal performance with 32 to 600 Ohm headphones. Discover how a simple upgrade to a 3.7V Lithium-Ion battery dramatically boosts power and extends playtime, transforming your listening experience.... [read more]

Craft a high-fidelity headphone amplifier delivering 100mW RMS into a 16 Ohm load, fueled by a 6V rechargeable battery for extended listening sessions. This innovative design provides exceptional audio quality and long-lasting performance.... [read more]

Unlock exceptional audio power with the LME49830 EF125WT1 amplifier module, featuring 56mA of current drive for unparalleled sonic performance and high-fidelity listening experiences.... [read more]

Build a powerful speech amplifier perfect for presentations and noisy environments. This compact circuit, featuring a TDA7052 IC delivering 1.2W at 6V, eliminates feedback and howling with adjustable frequency tailoring. Ideal for teachers, guides, and anyone seeking crystal-clear audio amplification.... [read more]

Design classic audio amplifiers with DC coupling for superior frequency response and eliminate switch-on thumps. Build innovative headphone amplifiers and unlock the potential of symmetrical circuits to achieve optimal performance and stability.... [read more]

Build your own invisible audio system and reclaim your space! This innovative project utilizes infrared light to transmit TV audio wirelessly, delivering crystal-clear sound without cumbersome wires. Expand your range up to 6 meters and unlock a truly immersive listening experience – perfect for discreet audio reproduction. Discover the exciting world of wireless audio transmission and transform your entertainment today!... [read more]

Build a powerful 8-watt audio amplifier perfect for boosting, guitar amps, and portable projects. This schematic utilizes an LM383 IC and key components like 47K, 2.2R, and 10uF capacitors to deliver exceptional performance. Easily powered by a 12V battery, this amplifier is your gateway to creating high-fidelity sound.... [read more]

Build a powerful 7-watt amplifier with the TDA2003 IC, delivering exceptional audio quality and featuring integrated protection against short circuits and overloads. This compact amplifier provides a 3.5A output current and a frequency response of 20Hz to 20kHz, perfect for music enthusiasts.... [read more]

Build a powerhouse amplifier capable of delivering 60-90 Watts into 8 or 4 Ohms – a truly exceptional design for discerning audiophiles. This meticulously engineered circuit, featuring IRFP240 and IRFP9240 Hexfet transistors, unlocks incredible performance and delivers a rich, dynamic audio experience.... [read more]

Unlock the valve amplifier sound with this innovative solid-state push-pull Class A circuit, delivering a remarkable 6.9W of power. Achieve superior linearity, reduced THD, and enhanced input sensitivity – a truly inspiring build for audiophiles seeking exceptional performance.... [read more]

Build a powerful audio amplifier with this innovative design, delivering 45-70W of clean power and exceptional fidelity. This rugged, straightforward circuit is perfect for guitar or bass amplifiers, offering a truly rewarding listening experience. Embrace the challenge and unlock the full potential of this meticulously crafted schematic.... [read more]

Unleash incredible audio power with this Mighty Midget Amplifier, delivering a staggering 36W RMS and a dynamic 70W music output from a single 13.8V supply. Build a compact, high-efficiency amplifier perfect for car audio, portable PA systems, and even mains applications.... [read more]

Designed for audio enthusiasts, this compact amplifier delivers a remarkable 18W into 8 Ohms and up to 30W into 4 Ohms, achieving a THD of just 0.08% at 1KHz. Featuring only three transistors and a handful of components, this project is an inspiring challenge for building a powerful and efficient audio amplifier. Unlock your potential and craft a superior sound experience.... [read more]

Build a powerful, vintage-inspired amplifier and unlock the full potential of your audio devices. This 12V amplifier circuit, featuring BC560C, BC337, TIP31A, and TIP32A transistors, delivers exceptional sound quality with minimal distortion. Perfect for Walkman, iPods, and computers, this schematic empowers you to craft a premium audio experience.... [read more]

Build Your Own 25 Watt Amplifier: Unleash Powerful Audio Performance This straightforward 25 Watt amplifier design lets you create exceptional audio with readily available components, delivering superior performance compared to standard STK modules. Discover the joy of building and optimizing your own high-fidelity amplifier today!... [read more]

Build a powerful audio amplifier with this meticulously designed circuit, featuring 11 components for exceptional sound quality. This schematic enables seamless integration with your CD players, tuners, and tape recorders, delivering a robust 23+23V supply. Optimize performance with heat sinks for Q3 and Q4, and ensure proper grounding for a pristine audio experience.... [read more]

Build a powerful 2x18W Hi-Fi stereo amplifier using TDA2030 ICs and unlock exceptional audio performance. This robust circuit delivers 80dB signal-to-noise ratio, 0.5% distortion, and a frequency response of 20kHz, ideal for boosting existing systems or driving a second speaker pair. Achieve superior sound quality with this meticulously designed amplifier, requiring a ±18V 3A power supply and capable of handling 4-8 Ohm loads.... [read more]

Build a powerful 80-milliwatt audio amplifier with this refined circuit design, boosting output and minimizing distortion. This innovative schematic utilizes positive feedback and a 1K load resistor to achieve optimal performance, perfect for driving small speakers with enhanced clarity and volume.... [read more]

Build a robust 9-volt audio amplifier with a 500-ohm input impedance and 5 gain, achieving 50 milliwatts of power output. This circuit design offers a stable bias and utilizes a 3.3-ohm resistor for temperature compensation, ensuring consistent performance.... [read more]

Build a powerful audio amplifier for your intercom project with this simple op-amp circuit. Achieve a 1 Meg gain and 28 milliwatts of peak output power, utilizing a 9 volt source and carefully decoupling techniques for optimal stability and performance.... [read more]

Build your dream tube amplifier with this 5W EL84 circuit diagram, a powerful starting point for crafting exceptional audio.... [read more]

Build a high-performance 3W tube amplifier utilizing the classic 6BX7 for exceptional audio fidelity. This schematic delivers 3W at 8 ohms with a remarkable 90dB signal-to-noise ratio and a broad 22Hz-50kHz frequency response. Discover the components and design principles for creating a truly inspiring audio experience.... [read more]

Build a powerful Dynaco ST-70 tube amplifier with this detailed schematic and parts list. Discover the critical 21 components including ECC83, ECC82, and EL34 tubes for exceptional audio performance.... [read more]

Build a legendary 35W push-pull amplifier, a classic design by Siemens and Halske (SV410/1, 1953), and unlock exceptional audio performance. This meticulously detailed schematic guides you through recreating this iconic amplifier, originally operating from 1954-1989, and perfect for enthusiasts seeking a powerful and enduring sound.... [read more]