DIY Kit Preamplifier Module with 3 Outputs NE5532, Dual DC 9-15V Power Supply, -24dB/Octave

This DIY preamp module delivers stable and versatile audio performance thanks to its 3 separate output channels for treble, midrange, and bass. Its crossover points are set at 500 Hz and 5 kHz, ensuring precise distribution of the sound spectrum: bass (20 Hz - 500 Hz), midrange (500 Hz - 5 kHz), and treble (5 kHz - 20 kHz), with a steep -24 dB/octave roll-off for crisp separation. At the heart of this kit is the NE5532P operational amplifier chip, renowned for its professional sound quality. The circuit structure is streamlined and installation is easy, making it accessible to DIY enthusiasts. Furthermore, the module is designed for flexibility: the NE5532P chip can be replaced with other compatible models such as the OPA2604AP, OP275G, or TL072, depending on your hearing preferences. Made with high-quality materials, this preamplifier ensures long-term durability and stable operation. The connections are excellent, guaranteeing reliable contact and stable performance. The required power supply is dual DC, accepting a voltage of 9V to 15V. Your complete kit includes all the necessary components for assembly: - 1 x Printed Circuit Board (Template) - 4 x B1715 Capacitors - 1 x Connection Terminal (4 pieces assembled) - 26 x Adjustable Potentiometers - 14 x IC Chips - 1 x IC Chip Seat - 1 x Capacitor Pin - 43 x Resistors Enjoy the experience of customizing your own high-quality preamp, easily adjustable for convenient operation and sound tailored to your needs.