NE5532 based DIY Audio preamplifier

Compleet gebouwde voor versterker module geconfigureerd rond een NE5532 Opamp en LM317 en LM337 spannings regelaars. Benodigd een Dual 12 of 15v AC 0.3A Transformator.

1. double side gold PCB electric resistance is lower, the sound is more outstanding, the appearance is also the ultimate
2. full DC circuit, 0-100KZ frequency is flat, the tone is extended, the details are very good.
3. high-quality regulated power supply, using the best linear regulated power supply on the LM317 LM337. Elna 4300U filter capacitor, brown God Black decoupling
4. all gold plated IC socket facilitate replacement of IC
5. resistors are all adopted in Germany VIS cylindrical resistance, sound is better than DALE
6. compact size, can be directly mounted on the chassis panel by means of the potentiometer.