2W Amplifier

Posted on Oct 31, 2012

Designed for self-powered 8, 4 & 2 Ohm loudspeakers. This amplifier was designed to be self-contained in a small loudspeaker box. It can be feed by Walkman, Mini-Disc, iPod and CD players, computers and similar devices fitted with line or headphone output. Of course, in most cases you will have to make two boxes to obtain stereo. Bass-boost switch.

2W Amplifier
Click here to download the full size of the above Circuit.

The circuit was deliberately designed using no ICs and in a rather old-fashioned manner in order to obtain good harmonic distortion behavior and to avoid hard to find components. The amplifier(s) can be conveniently supplied by a 12V wall plug-in adapter.

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