Hi-Fi Tone Control

The following diagram illustrates the circuit of a 20-band stereo graphic equalizer, which is designed to control audio signals within specific frequency ranges. This circuit should be connected prior to the amplifier circuit. For optimal performance, it is recommended to use high-quality electronic components such as metal film resistors, MKM capacitors (non-polar), and tantalum capacitors (bipolar). Additionally, there is a circuit diagram for a 12V stereo tone control, which is also available as a kit at local electronic parts stores. This circuit is based on a standard tone control configuration, utilizing two FCS9014 transistors in each channel, totaling four transistors for the 12V setup. Furthermore, there is a stereo audio tone control circuit built around the LM1036 IC. This circuit manages bass and treble levels, volume, and the balance between the right and left channels (inputs 1 and 2). It is suitable for various stereo applications, including car radios, TVs, audio systems, MP3 players, and DVD players. Additionally, the schematic of an Active Tone Control circuit, often referred to as "ACTOR," is presented. This electronic audio circuit enhances loudness (bass and treble audio signals) and operates using the Baxandall system. Finally, a high-quality FM transmitter circuit for stereo or other amplifiers is described, providing good signal strength up to a range of 500 meters with a power output of approximately 200 mW, operable with a 9V battery. The audio frequency modulation stage is based on the BF494 transistor (T1). Lastly, a stabilized power supply circuit diagram is provided, allowing output voltage adjustments from 0 volts to 30 volts DC, and current output values from 0.002 A to 3 A. Detailed explanations, including PCB layouts, can be found on the corresponding page.

The 20-band stereo graphic equalizer circuit functions by allowing precise adjustments to the audio signal across a wide range of frequencies, enhancing the listening experience by tailoring sound to user preferences. Each band in the equalizer corresponds to a specific frequency range, and the circuit employs a series of filters to isolate these frequencies. The use of high-quality components is crucial in maintaining signal integrity and minimizing noise, which can adversely affect audio quality.

The 12V stereo tone control circuit serves a similar purpose but focuses on broader tonal adjustments, utilizing transistors for signal amplification and control. The inclusion of the LM1036 IC in the stereo audio tone control circuit allows for sophisticated manipulation of sound, providing users with the ability to finely tune bass, treble, and volume levels, as well as balance the audio output between channels. This versatility makes it suitable for a variety of audio applications, ensuring compatibility with numerous devices.

The ACTOR Active Tone Control circuit enhances audio signals through an active approach, employing feedback mechanisms to achieve greater control over sound characteristics. This circuit's design is particularly beneficial for users seeking to boost specific audio frequencies dynamically.

The FM transmitter circuit is notable for its ability to transmit audio signals wirelessly, making it a valuable component for audio systems that require flexibility in signal distribution. Its compact design and low power requirements make it ideal for portable applications, while the specified range ensures adequate coverage for most environments.

Finally, the adjustable power supply circuit is essential for powering various electronic projects, providing users with the flexibility to customize voltage and current outputs according to their specific needs. This feature is particularly useful in experimental setups and for powering sensitive components that require precise voltage levels.The following diagram is the circuit diagram of 20 band stereo graphic equaliser which will controlling the audio signal in specific frequency range. This circuit must be connected before the amplifier circuit. For maximum performance, you may use high quality electronic component such as metalfilm resistor, MKM capacitor (nonpolar), tantalum capa

citor (bipolar). You may replace. The following diagram is the circuit diagram of 12V stereo tone control which also available in kit, you may find the kit at electronic part store around your place. The circuit build based on ordinary tone control circuit, using 2 transistors FCS9014 in each channel, so there are will be 4 transistors in this 12v.

This is a stereo audio tone control circuit which build based on IC LM1036. This circuit will controll bass/treble level tone, volume and balance between right channel and left channel (input 1 and 2 ). You may use this circuit for stereo applications such as car radio, TV and audio systems, mp3 player, dvd player, .

The following diagram is the schematic diagram of Active Tone Control circuit, or we often call thic circuit as "ACTOR" Active Tone Control or ACTOR is a electronic audio circuit that serves to increase the Loudness (Bass and Treble audio signal) is active because it uses the Baxandall system. This circuit does not use a. This the Good Quality FM transmitter for your stereo or any other amplifier gives you a pretty good signal strength up to a range of 500 metres having a power output of about 200 mW.

This circuit can be operated with a 9V battery. The audio-frequency modulation stage is constructed close to transistor BF494 (T1), . This is high quality stabilized power supply circuit diagram. You will able to adjust the output voltage from 0 volt up to 30 volt DC. You also able to adjust the current output value from 0. 002 A to 3 A. Detail explanation include the PCB layout, visit this page 🔗 External reference