Hi, I'm in need of a new differential pair on one amp block for a Marantz 300dc amp. The suggested replacement on AK is here ..
2SA879 (differential pair and in other position, Q705-708, 710):
VCBO: -250V, VCEO: -200V, VEBO:-5V, Ic: -70mA, Hfe: 60-220, fT: 50-80MHz, Pc: 1W
Suggested replacement...