• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

Circuit Ideas for You

Get free circuit ideas online.

  • Home
  • Privacy Policy
  • About
Home » Audio Circuits » Page 21

Audio Circuits

Digital Volume Controller Circuit

Last updated on 12 May 2026 by Admin-Lavi Leave a Comment

This Digital Volume Controller Circuit talks about special type of electronic volume control, which does not uses normal knob but it uses an electronic parts. Also, normal volume knob uses resistor but this one uses small computer chip to control sound level; as it gives more function and also with more correctly. Circuit Working: Parts […]

Filed Under: 555 Timer Projects, Audio Circuits

Variable Notch Filter Circuit

Last updated on 12 May 2026 by Admin-Lavi Leave a Comment

This Variable Notch Filter Circuit have a special filter, which can change to remove some sound frequency. Also, we can adjust it how we need and that make it useful; as this filter is also call band reject filter or band stop filter. Furthermore, it mostly removes or make small certain noise in one range, […]

Filed Under: Audio Circuits

300 Watt Power Amplifier Circuit using Transistors

Last updated on 12 May 2026 by Admin-Lavi Leave a Comment

Hey music lovers! Want your speaker sound REALLY loud? then this 300 Watt Power Amplifier Circuit using Transistors show how to make very strong amplifier circuit. Here, the circuit can give 300 watt sound with 8 ohm speaker or even more power with 4 ohm speaker. WARNING: Be careful, this circuit uses high voltage and […]

Filed Under: Amplifier Circuits, Audio Circuits, Transistor Circuits

100 Watt Amplifier Circuit using IC LM12

Last updated on 12 May 2026 by Admin-Lavi Leave a Comment

To begin with, this article discuss how to make 100 Watt Amplifier Circuit using IC LM12, where there is no need of many parts or costly wires; we just need to follow some easy step and can get nice and powerful sound. Also, this 100 watt amplifier is small and is build easy and is […]

Filed Under: Amplifier Circuits, Audio Circuits, DIY Projects

Motor Boat Sound Generator Circuit

Last updated on 12 May 2026 by Admin-Lavi Leave a Comment

Think like small motorboat comes inside our room very easy and this Motor Boat Sound Generator Circuit is an electric thing enough for this design. Also there is no need of water, no need of big wooden frame or big motor join. What is a Motor Boat Sound Generator Circuit: Motor boat sound generator circuit […]

Filed Under: Audio Circuits, Hobby Circuits

Simple Contact MIC Circuit

Last updated on 12 May 2026 by Admin-Lavi Leave a Comment

Simple Contact MIC Circuit is special mic, it can record weird sound when we put it in different things; also if we give it small electric power it can even make sound by itself. We can use a contact mic and a simple wire setup to make a normal guitar sound like an electric guitar […]

Filed Under: Amplifier Circuits, Audio Circuits, DIY Projects, Sensors and Detectors

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 19
  • Page 20
  • Page 21
  • Page 22
  • Page 23
  • Interim pages omitted …
  • Page 26
  • Go to Next Page »

Primary Sidebar




Categories

  • 555 Timer Projects (24)
  • Alarm Circuits (59)
  • Amplifier Circuits (86)
  • Arduino Projects (102)
  • Audio Circuits (153)
  • Automation Circuits (12)
  • Automobile Circuits (22)
  • Battery Charger Circuits (75)
  • DIY Projects (81)
  • Free Energy (13)
  • Heater and Temperature Controllers (22)
  • High Voltage (18)
  • Hobby Circuits (29)
  • Indicator Circuits (58)
  • Inverter Circuits (19)
  • IoT projects (1)
  • LDR Circuits (34)
  • LED and Lamps (175)
  • Meters and Testers (35)
  • Mini Projects (53)
  • Motor Controllers (22)
  • Oscillator Circuits (50)
  • Power Supply Circuits (185)
  • Remote Control Circuits (9)
  • Security and Protection (49)
  • Sensors and Detectors (164)
  • Solar Circuits (32)
  • Timer Circuits (52)
  • Transistor Circuits (136)
  • Transmitter Circuit (20)
  • Tutorials (9)
  • Voltage Regulator (3)
  • Water Level Controller (8)

Recent Posts

  • AF Signal Preamplifier Circuit with LM741 IC
  • Simple LM324 Microphone Amplifier Circuit
  • Transistor Based Video Amplifier Circuit
  • DIY 20W OCL Audio Amplifier Circuit
  • Simple High Impedance JFET Preamp Circuit

Recent Comments

  1. How to Make a Bird Chirping Noise Easily on Chirping Bird Sound Generator Circuit
  2. Transistor Based Medium Impedance Preamplifier Circuit - Circuit Ideas for You on Low Impedance Input Transistor Preamplifier Circuit
  3. Admin-Lavi on Alternate Red Green LED Flasher Circuit
  4. Admin-Lavi on Alternate Red Green LED Flasher Circuit
  5. Mike on Alternate Red Green LED Flasher Circuit

Copyright © 2026 | New Circuit Ideas