Selling some Hafler DH-220/DH-500 transistors :
7 matched pairs of 2N5401 (differential input)
9 matched pairs of 2N5550 (differential input)
5 matched pairs of 2N5401/2N5550 (pre-driver)
3 matched pairs of RCA 2N5415/2N3440 (driver)
4 x RCA 2N3440
4 x RCA 2N5415
30 x PN2222A
7 matched pairs of 2N5401 (differential input)
9 matched pairs of 2N5550 (differential input)
5 matched pairs of 2N5401/2N5550 (pre-driver)
3 matched pairs of RCA 2N5415/2N3440 (driver)
4 x RCA 2N3440
4 x RCA 2N5415
30 x PN2222A
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