Custom Projects
ampboxAudio
Passive Attenuator/Input Selector
This  was built using a Goldpoint attentuator, Grayhill input selection switch and Cardas RCAs. The Goldpoint/Elma attenuator was a joy to work with, due to its well engineered design and the excellent instructions that were provided. It is mechanically an outstanding device, with smooth operation and totally transparent sound. 
Input Selector/Subwoofer Attentuator w/ Mute
This input selector uses a Dact switch for selecting between two inputs and an Alps potentiometer
for subwoofer attentuation. A toggle switch is provided for switching the input to the subwoofers' amp on or off. Very simple and effective control.