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Build the Bartola Gen 2 01A preamp

Build the Bartola Gen 2 01A preamp. You will get much better results. You will need a pair of Rod Coleman filament regs, to be used in filament bias. See Lyrima.com. And a couple of Gyrator kits from Ale Moglia, see Bartola Valves.

http://www.bartola.co.uk/valves/for-sale/gyrator-pcb/

I've built loads of 26, 4P1L and 01A line stages with all kinds of configurations, and the Gen 2 is the best - by common consent - of all these builds.


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