3 This is an amplifier based on a National Semiconductor LM1875 that Bdale and
4 Robert built to use playing around with an electric pickup on Bdale's
5 violin. The ultimate objective is to have a modest effects chain with amp
6 and speaker that Robert can use when playing music with his friends. We chose
7 to start by building a high-quality amplifier.
9 ## [Whole House Audio System](./wholehouse/)
10 Completely open design system for the new house built after the
11 [Black Forest Fire](/blackforestfire.html)
12 ## [20 watt amplifier](./lm1875.html)
13 A 20 watt mono amplifier based on the National Semiconductor LM1875 that
14 Bdale and Robert built to play around with electric pickups on musical