2 New 2SD637 for Technics SL-1200 SL-1210 Mk2 M3D D637 Transistors
Up for sale here is this set of two (2) new 2SD637 transistors. These are used in a number of Technics turntables, including the SL-1200 MK2. The 2SD637 is part Q2, Q3, and Q202 in the SL-1200 MK2.