Monday, April 12, 2010

KI6SN LM380 Audio Amplifier For the Field


KI6SN's Trail-Friendly Radio column in the May 2010 edition of WorldRadio Online magazine features an easy-to-build audio amplifier that's great for adding headphone punch in the field. Utilizing a 14-pin LM380 / NTE740A chip, the circuit requires only a small handful of parts.

Here are some photos of the KI6SN version of the amplifier:






For an enlarged view, click on the images.

Links to parts sources for the amplifier include: 

Dan's Small Parts and Kits

Digi-Key Corp.

Mouser  Electronics