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OKAY????

I have no idea what a Philips acid code is. I do know however, like I stated, that the 280 near bottom of tube is a manufacturer code from Raytheon. Also I have a very similar looking 12AX7 branded Hammond, with the red print, with the other codes/printing rubbed off,which is a Millard, that flashes on startup.


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  • OKAY???? - samstone 06:13:34 04/10/16 (0)

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