Whadda UK Volume & Tone Control Preamplifier Kit

The Whadda UK Volume & Tone Control Preamplifier is a high-quality, versatile DIY kit designed for audio enthusiasts seeking precise control over their sound systems. This stereo preamplifier features a comprehensive Baxandall tone control circuit, allowing for independent adjustment of bass and treble with a wide ±15 dB range for fine-tuning your audio output to perfection.

At the heart of its operation is a customizable gain stage. It provides standard unity (1x) amplification but can be easily configured via resistor selection to either attenuate or amplify the input signal, offering exceptional flexibility for integrating with various source components and power amplifiers. The kit is supplied complete with all necessary components, including input/output connections, high-quality potentiometers for volume, bass, and treble control, and matching knobs for a professional finish.

Engineered for superior audio performance, it boasts an exceptionally low harmonic distortion of less than 0.005% at 1kHz and a wide frequency response from 3Hz to 500kHz, ensuring your music is reproduced with clarity and accuracy across the entire audible spectrum. The signal-to-noise ratio of 98dB guarantees a quiet, noise-free background, letting the details of your audio shine through.

The compact, single-sided PCB measures 105mm by 70mm, making it easy to integrate into a wide range of project enclosures. Power is supplied via a dual 12V AC transformer at 100mA. With its robust feature set and high-performance specifications, this preamplifier kit is an ideal foundation for building a custom hi-fi preamp, active speaker controller, or upgrading an existing audio setup.