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9 pin to octal tube adapter

I wanted to verify that a 12AT7 was equal to a 6SL7 in the OD2.5. So this is an adapter made from an old octal tube base and a 9 pin socket. It worked and yes the tubes are interchangeable. I will check the frequency response and distortion and see if there is any difference, but sound wise they seem the same.

IMG_1874.JPG IMG_1875.JPG 9pin-to-octal-adapter.jpg 2~0.jpg LM3875-Gainclone-Chip-Amp-I.JPG
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Filename:9pin-to-octal-adapter.jpg
Album name:Vacuum Tube (Valve) Audio Projects
Filesize:34 KiB
Date added:Mar 07, 2008
Dimensions:814 x 402 pixels
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