Mod Bench +
Woolly Mammoth 7 — WM72N221901
Woolly Mammoth 7 — WM72N221901
This Woolly Mammoth 7 features vintage silicon 2N2219 transistors in metal can TO-18 style package. They are slightly more aggressive than the 2N3904 transistors normally used in this circuit, but all of the controls and parameters function the same.