Voice Amplifier Circuit with Equalizer

[dcsevdiren]

Hello; I need an emergency help to desing an amplifier circuit,

the circuit has three steps;

equalizer-- pre amplifier-- power amplifier.

the design would work between 20Hz and 20kHz;

I need a quick help.I will just design and anlyze the circuit ;
Thank you from now.

 

[kam1787]

should be lots of circuits on the internet.................google is your friend

what type of equalizer? there are 2 basic types
how many bands?
how many watts RMS?
what is the load?
how many inputs?
is it mono or stereo or ....?
all discrete or ..........?
what class for the power amp?

 

[crutschow]

Typically you would put the preamp in front of the equalizer.

 

[Audioguru]

I think your "emergency" is to find a design already done and you simply copy it without designing anything yourself. Then you are learning how to cheat and not learning how to design an audio circuit.

 

[goldsmith]

equalizer-- pre amplifier-- power amplifier.

Hi dcsevdiren

have you called 911 ? ha ha ! :grin:
Besides the kidding ,
For Preamplifier use TEA2025 or perhaps AD820 for eqlizer use M5226P and for power amp use TA8221 or any kind of TDA series like TDA2003 . but you didn't mention your required power and another critical properties !


Merry Christmas to all + Best Wishes
Goldsmith