Looking for a layout for a switchable extra tube in a 2203

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herbvis
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Looking for a layout for a switchable extra tube in a 2203

Post by herbvis » Thu May 13, 2010 9:24 am

Does anyone have a diagram or layout of how to implement a single switchable gain stage. I have seen the 1959/2203/extratube with two switches, But since my amp is already a 2203 i am just looking for a single switch mod. Any help appreciated.

Thanks

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