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Parametric Audio Equalizer - (8,377 view(s))

Friday, August 31st, 2012
Parametric Audio Equalizer - ElectroSuite.com

ElectroSuite.com – Parametric Audio Equalizer. A graphic equaliser has only one control per band: the gain. A parametric equaliser has 3 controls: gain, frequency and width.

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BC549C Condenser Microphone Pre Amplifier - (7,279 view(s))

Tuesday, August 7th, 2012
BC549C Condenser Microphone Pre Amplifier - ElectroSuite.com

ElectroSuite.com – BC549C Condenser Microphone Pre Amplifier. This is a very simple preamplifier circuit for condenser microphone. This mic preamplifier also can be used for dynamic microphone.

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3 Band Equalizer using IC TL072 and IC NE5532 - (20,592 view(s))

Tuesday, December 20th, 2011
3 Band Equalizer using IC TL072 and IC NE5532 - ElectroSuite.com

ElectroSuite.com – 3 Band Equalizer using IC TL072 and IC NE5532. A classic circuit of regulation of tone of three way, with which we can regulate low, mid and high frequencies, of acoustic signal.

3 Band Equalizer using IC TL072 and IC NE5532 - ElectroSuite.com
3 Band Equalizer using IC TL072 and IC NE5532 – users.otenet.gr

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PreAmplifier Equalizer using IC TL074 - (16,831 view(s))

Sunday, August 7th, 2011
PreAmplifier Equalizer using IC TL074

PreAmplifier Equalizer using IC TL074

This is PreAmplifier Equalizer using IC TL074 Electro Suite, front of the amplifier is done by the Op-Amp A1, A1 is actually reinforcing a time, with the intention of utilizing the high input impedance, about the size of 1M.

Setting the tone carried by the op-amp A2 which also acts as an amplifier with positive feedback, divided by two, partly channeled into a series of R1, R2, C2, C3, and Pot2 to adjust the gain of low frequency (bass), and some routed to the circuit C4, C5, and Pot3 to adjust the gain of high frequency (treble). Furthermore, R3 and R4 are mixing to form a positive feedback loop earlier. Frequency setting like this is a frequency filter theory Baxandall, can be regarded as the audio standard to date. The use of IC op-amp TLO74, because this component is very cheap and easily available, and most importantly, this IC uses a JFET at its input lines and a high slew-rate. With this circuit we can enjoy the stability of low tone Bass, agility tone middle (Mid), and high-pitch of Treble.

Components

  • R1, R2, R3, R4 = 10K
  • R5 = 68K
  • C1 = 100nF
  • C2, C3 = 33nF
  • C4, C5 = 3n3
  • Pot1 = 47K
  • Pot2, Pot3 = 100K

Electro Suite

PreAmplifier Equalizer using IC TL074

Source : Komputek | e-one-s

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