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 NEW    Bruce Heran outlines the details and construction of his simple DIY 6DJ8 (ECC88) Tube Hi-Fi Headphone Amplifier Project.

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EL34 Signature - SE - Mark

This amp is my new EL34 the "retro-34UL", Signature EL34 amp. Valve compliment is NOS Svetlana EL34 and Svetlana 6N1P. Edcor GXSE 6 ohm ultra-linear audio output transformers, the 10H choke and power transformer are Hammond. Inter-stage capacitors are Jensen copper, paper and oil with pure silver leads. Biploar capacitors are used as bypass caps on the EL34 with ceramic sockets to hold the audio tubes. The rectifier valve is a Golden Dragon 5U4. The audio output transformers are rubber mounted. The top plate of the amplifier chassis is ABS plastic and base is Australian Spotted Gum (oiled). Feet are filled with lead sinkers and rubber glue, silver solder and silver plated wire used throughout the build. The circuit topology is Single-Ended with Ultra-Linear operation.

Mark Houston – retro-thermionic

6EM7-SE-Amp.jpg 6EM7-Tube-Power-Amp-Arabella.jpg SE-EL34-Signature.jpg Oatley-K272C-Headamp-Kit.jpg 71-A-Tube-Amplifier-SE.jpg
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Album name:Vacuum Tube (Valve) Audio Projects
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Date added:Jul 04, 2013
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