Tuesday, September 28, 2021

Terrible Tubes

A powerful preamp (of sorts) using a pair of 5840 subminiature vacuum tubes running at 36v. The gain and tone controls both have a wide range of of useable settings/sounds. When you max the gain knob you'll really want to call this a fuzz but everything below that is somewhere between an overdrive and a preamp. The switch isn't the most noticeable in all settings but it gives two gain settings ultimately. If it's got subminiature vacuum tubes involved you can almost guarantee it has something to do with Rick Holt/Frequency Central, this circuit is no exception. 

 

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