Comments on: Simple Audio Pre-Amplifier

By: Christopher Sterpka

Christopher Sterpka — Sun, 03 May 2015 22:45:52 +0000

Awesome circuit, worked perfectly. Thanks!

By: Christopher Sterpka

Christopher Sterpka — Sun, 03 May 2015 22:45:52 +0000

Awesome circuit, worked perfectly. Thanks!

By: amit

amit — Thu, 25 Apr 2013 07:33:07 +0000

can I use this circuit with the output as an analog input to an Arduino ? thanks in advance for the reply ….

By: Sonal Siby

Sonal Siby — Thu, 02 Feb 2012 12:04:26 +0000

It works great for microphones. Perfect for small audio applications.

By: Sonal Siby

Sonal Siby — Thu, 02 Feb 2012 12:03:06 +0000

Can I use this circuit for amplifying signals from an ultrasonic receiver ?

By: Akhtar

Akhtar — Thu, 10 Nov 2011 15:14:37 +0000

hi dir i bult mic pre with lm 358 1k 100k feedbeak risister atach with pc 9volt powersupply his rang is vare low but iwant rang 1 feet whate i do my mic rang 1 feet chang feedback risistens or in put resistence or bult other bufer

By: Charlie

Charlie — Sat, 03 Sep 2011 17:33:18 +0000

Hi can u plz plz plz help me,i own a nokia phone that has a very low sound volume.so i want to make a very tiny sound amp that i can attatch to a very small speaker so i can hear louder and better sound quality.plz respond so i know if this is possible thanks