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Williamsson 1947

Designed and built by Roger Knopp
     
   
   

 As the musiclover Roger is, he´s been building several tube amps since 1991. This includes two MM preamps, a guitar amplifier and three former versions of the power amplifier KEW88-91D, which is his fourth and final attempt in building a cheap while good stereo Valve Amplifier as inspired by D.T.N Williamson's design of 1947. Several problems has however come to his attention since he first started and most importantly that is the cost and availability of functional bandwidth sensitive high voltage transformers. In an effort in minimizing customer costs as well as his own He started around 1992 to develop transformers of his own and we are now proud to announce that we have fully functional and quite cheap transformers as well as Williamson Power Amps for sale.

Williamson Mk IV valv amp  details 

Output Transformers

Power Transformers

History Collection

 

 

 

 

 

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