Passive tone control circuit
The Passive tone control circuit, to adjust bass-treble with no the expansion, use equipment R and C only, to filter frequency,easy without power supply! […] Read more
Preamplifiers
TDA1524 | Datasheet | Stereo-tone and Volume control circuit
The Mini stereo tone control circuit with IC, circuit diagram use just IC-TDA1524 and a few parts, It adjust Volume, Balance, Bass, Treble in small circuit Read more
Active Bass Booster circuit using IC-741
This is a general-purpose bass booster circuit. Why should you use this? You are listening to your favorite song. But it lacks many flavors. Friends said No Bass! Buy a new one amplifier right now. Stop… It is true. Your amplifier may less bass. But before buying a new amplifier. Try this, it probably better. Read more
Guitar preamp circuit – over drive using 12AU7
This Guitar preamp circuit for over drive before to the power amplifier or headphones. It is a very clear sound no noise. Because use 12AU7 vacuum tubes […] Read more
Very simple amplifier circuit using transistor 2N3904
It is Very simple amplifier circuit using transistor 2N3904 only, low noise than normal IC circuits, low distortion,frequency response: 20 Hz to 20 kHz. Read more