We are deeply saddened to report that Mark passed away on Tuesday, June 21, 2016 due to complications following a stroke. At this time, our inventory is still available to browse, but we will not be filling any orders at this time. Unfortunately, we do not know when that will change. Thank you for your patience and understanding.

George E. Valley and Henry Wallman

Vacuum Tube Amplifiers

Dover, NY, 1965, paperback. Paperbnack reprint of the classic text of 1948. Spine is toned and has some curl, contents clean and unmarked. Item #F12081
ISBN: 0486614077

Price: $15.00

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