In order to post your reviews, to rank a review or to send comments to the mailing-list, you need to log in. If you have not yet created your account, please register. In case of error or omission, please send us your feedback.
This page is adapted from an article that originally appeared in Glass Audio, Vol. 9, No. 2, p. 1 and No. 4, p. 38, 1997. Internet links have been added. Circuits with current regulator diodes for linearizing the output have been eliminated because the small reduction in low order harmonic distortion was offset by a significant increase in noise-- overall sound quality was degraded. A design with rotary switch tone controls has been added.