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Opinion; Alternate input tube socket
Opinion; Alternate input tube socket
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Old 20th February 2012, 05:28 PM   #1
optimationman is offline optimationman  United States
diyAudio Member
Join Date: Sep 2006
Location: West USA
Default Opinion; Alternate input tube socket

I have tried most NOS 12ax7/ecc83 types in the input stage of these mono block amps. I guess I am a tube rolling fanatic, changing these and driver tubes, maybe to much. I have now acquired some e283cc types and like the detail and overall sound. However, since the pin configuration is different, an adapter must be used to facilitate their use. I would like to eliminate the extra contacts between the tube and the socket adapters. Seems any mods or additions at this input point has effects on the sound, thus I have concerns. I would like to use the adjacent unused socket wired for these e283ccs. I would wire the adjacent socket for these tubes(see picture) to the appropriate pins of the existing 12ax7/ecc83 socket. This adjacent socket already has a twisted filament connection from the other socket. Is this a poor idea? What would be the result? The amps are now in a rack system which requires considerable work to do this change and any advice would be appreciated before starting.
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File Type: jpg input tube adjacent socket.jpg (536.9 KB, 50 views)

Last edited by optimationman; 20th February 2012 at 05:31 PM. Reason: add picture
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