Administrator
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There are so many options. I got a bag of 2N404 a few years back and it couldn't be easier to get great results with those. There are different brands, my favorite is Texas Instruments but if you buy untested TI 2N404 right now they are mostly way higher hfe than you want so I don't recommend buying an untested lot of them at this point. Most of these have no measurable leakage (testing with DCA55) so they have better temp stability than most
For hfe I just use my ears. With those 2N404 you can do the rg keen 70, 120 hfe with 4.5V on Q2C and all that stuff and it usually sounds great.
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