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Now available as a fully searchable PDF collection – the Linear Audio USB stick!
See this page for details and ordering info.
An error crept into the final Current Source Driven amplifier, page 143, figure 4. The polarity of the output transistors should be swapped. A corrected figure can be downloaded here. Apologies to readers and to Ian for not spotting this in time.
The finalised charge pull-out mods are now available at http://www.diyaudio.com/