Tag: audio control circuits

Circuits controlling the audio signal tone control, bass, treble filter circuits, vu meter display and similar audio electronics circuits

Crossover, Active Audio Filter Circuits NE5532 Opamp

| 2011/05/11

Active filter circuits are made using ne5532 opamps, there are 2 and 3 way versions (low pass, band pass, high pass) also there are formulas for opamp calculations and sample schematics, there are pcb drawings of all circuits, working voltages are +- 15v symmetrical.

Subwoofer Filter 25Hz 250Hz Bass Crossover Circuit

| 2011/04/12

Circuit quality quite a crossover frequencies between 250Hz 25Hz circuit board on the opamp 4558 setting can be made. Proteus ares of project drawings are printed circuit boards. Subwoofer Crossover @ ahmedyerli of circuit and PCB design About 25Hz to 250Hz Bass Crossover circuit; Half-BASS AUDIO-FREQUENCY-PHASE HIGH BOOTS-PASS / LOW PASS settings can do. 25-250Hz…

Tone Controlled Preamplifier Circuit TL072 Opamp

| 2011/02/07

Preamplifier circuit TL072 op amp based on the previously shared “NE5532 Preamplifier tone control” circuit is controlled according to the deeper and a little more powerful stereo two-channel preamplifier and solid bass, treble, balance, volume control. TL072 op amp tone control preamplifier circuit power supply +-12v (7812 7912 negative positive regulator, the regulator) low flow…

Voltage Controlled Oscillator Circuit VCO

| 2011/01/28

Voltage controlled oscillator (VCO) LF442, TL082 op-amp based on the operating voltage of + -12 volts dc symmetrical sine, square wave with frequency adjustment on the sound effects can be created. * Octave control voltage 1V * 4 octave 1V control voltage inputs. * 1 linear control voltage input. * Fixed sync input. * Rectangular…

Tone Controled Preamplifier Circuit NE5532 Op amp

| 2011/01/08

NE5532 Preamplifier Tone Control Circuit Based on the two-channel stereo preamplifier circuit ne5532 op amp and bass, treble, balance, volume control can do. NE5532 preamp tone control circuit supply symmetrical +-12v positive regulator 7812, 7912 small 12v negative regulator controller batteries connected in series for low current drawn by the circuit can be operated. Preamplifier…

Quality Microphone Preamplifier Circuit AD-8648 Op Amp

| 2010/11/23

The microphone preamplifier circuit operates with a dc voltage between 5 volts and 20 volts. The measurement and operating characteristics are quite good. The printed circuit design based on the AD8648ARZ SMD Op amp is very good. As in practice, if an aluminum box and 9v alkaline are used for power supply, it gives very…

Complete Amplifier Project

| 2010/08/18

In an article I shared an old amp circuit (Mosfet Amplifier 150W) project, more advanced, I applied again with additional circuitry Circuit 4Ω 8Ω speaker with a 100w power 150w with hoprarl able sooner. Amplifier circuit diagram and PCBs; Preamplifier circuit Pre amplifier circuit works fine, I’ve enjoyed it. In addition to the magnetic microphone…

PT2350 Tone Control Circuit Subwoofer Crossover Filter

| 2010/08/01

PT (Princeton Technology Corp..) Series integrated materials in terms of quality not first class but for popular applications, especially for sound systems they have developed an integrated and quite talented, especially Chinese goods a lot of noise in the system PT series audio control ICs are used. PT2350 circuit made ​​with 2-channel sound, volume control…

5 Channel Equalizer Circuit KA2223 LA3600

| 2010/08/01

Equalizer KA2223 integrated circuit LA3600 or legs used to integrate the function and connections at the same 100Hz, 320Hz, 1kHz, 3.5kHz, 10kHz frequency range adjustments can be made. And single-channel mono equalizer circuit operating voltage from 15v DC 6V …

DAC Circuit CS8416 CS4398

| 2010/07/15

Digital audio applications have not done anything but CS8416 (192 kHz Digital Audio Receiver) and CS4398 (CS4398: 120 dB, 24-Bit, 192 kHz Stereo D / A Converter) integrated carried out with the DAC module circuitry of the person concerned may be useful to PCB drawing is so much quality What is the DAC? DAC, DAC…