Headphone Amplifier?

[RFreeman]

Do all the electrolytic caps need to be 16v? I have all but the 220u, but they're rated between 35v-63v.

 

[Nic]

I'm almost certain I used bigger values higher voltage rating, as long as they fit where you need them.

 

[DAJE]

Do all the electrolytic caps need to be 16v? I have all but the 220u, but they're rated between 35v-63v.

That's a minimum voltage rating on the PCB. You can exceed it as much as you wish, as long as the cap will physically fit. Higher rated caps are physically bigger, as @Nic says above.

 

[RFreeman]

Thanks. The caps I have do fit.

 

[Laundryroom David]

That make sense using the phone volume on the input.
I may not have been clear about my intentions on the output. I will not add an auxiliary on the output, just the ability to plug cheapo earphones if that's all I have available at the moment... wife sometime steals my good headphones.

This is why I sleep with my Grados instead of my wife.

wait that sounded wrong

 

[phi1]

@Robert could you share the schematic for this one?