| The scanner is an extension for the 'AlI-solid-state preamplifier' published tn the December 1989 / January 1990 issues of this magazine....
| The scanner is an extension for the 'AlI-solid-state preamplifier' published tn the December 1989 / January 1990 issues of this magazine....
| The all-solid-stäte preamplifier we published some months ago is controlled entirely electronically, including the switching of the input...
| In this second and final part of the article we describe the volume and balance control stages, followed by the construction of the comple...