op amp circuit using IC TL074, TL084, LM324

Stereo Gigabass circuit using IC TL074, TL084, LM324

Stereo Giga bass circuit using IC TL074, TL084, LM324

Stereo Giga bass circuit using IC TL074, TL084, LM324

Stereo Gigabass circuit using IC TL074, TL084, LM324