Master module

[jhaible]

>I've used the LM386 to drive headphones sucessfully. The performance is
>good, but not spectacular. I usually use headphones for checking things
>out (live?), and not for listening for hours... If you have "audiophile"
>(which to me means you have a perverse obsession with audio... see
>pedophile, necrophile... etc.) in your title, then this chip ain't good
>enough.

Emitter follower with 20mA ... 30mA current source instead of an emitter
resistor works fine for 600 Ohm headphones.
I never used 32 Ohm types, though.

JH.