R1 should be 10k.
The other resistors determine the biasing of the audio preamp transistor that is taught in high school.
Sorry, I am not a teacher for basic electronics.

__________________
Uncle $crooge

 

I think he has been tasked with building an FM wireless mic. for the Ring Leader to use at their elephant-go-round circus. Normally, he probably follows "behind" the elephants... good English isn't necessary!

__________________
Don't make me reach through this monitor to slap you a good one!

 

thanks. its working and got a new experience.. thinks again..

 

plz i need simple radio receiver project and simple intercom project