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2 Ninety Preamp Tube layout
http://forum.grailtone.com/viewtopic.php?f=5&t=73063
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Author:  mikegguitars [ Sat Feb 04, 2017 8:31 am ]
Post subject:  2 Ninety Preamp Tube layout

Does anyone know which tube is the input? there are three tubes inside the chassis. i am guessing its the one closest to the actual input jacks

Author:  MesaMad1378 [ Sun Jul 16, 2017 9:54 am ]
Post subject:  Re: 2 Ninety Preamp Tube layout

Hi Mike (presuming that's your name),

The following site has your answers.

https://mesaboogie.zendesk.com/hc/en-us ... 0-I-vs-II-

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