built in 1959
based on Audio Magazine article by M. V. Kiebert
Top view of amp featuring Partridge CFB output transformer. Tube lineup is: 12AY7, 5687, and two 5881s. |
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Bottom view of amp showing its non-inductive-wound wire resisters and non-inductive-wound bathtub oil caps in key circuit locations. |
Top view of power supply for amplifier featuring oil filter caps and dual chokes. |
Original August 1952 article in Audio Magazine by M. V. Kiebert |
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Click here for schematic of this homebrew Williamson amplifier--
a variation of the Kiebert 1952 schematic designed and hand drawn in 1959
Links: Spectacular vacuum tube audio amplifiers currently available. Aqua Blue's Outer Limit amplifier with 845 output tubes Alum Rock's $85,000 work of art with 304TL output tubes
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Copyright © 2003 H.A.Layer, all rights reserved