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2sb548

  1. 4ever7

    NAD 3155 Transistor choices

    Hello AK members In the process of doing some work on my NAD 3155 and looking to the community to see what transistors I can use and what I have chosen is a good choice: i) Q903, Q905: 2SA1246 => ??? ii) Q902, Q904: 2SB548 => KSA1220AY iii) Q901: 2SD414 => KSB546Y Schematic of the section...
    • 4ever7
    • Thread
    • 2sa1246 2sb548 2sd414 3155 nad transistor
    • Replies: 0
    • Forum: Solid State
  2. tusntuk2

    What's a good replacement for 2SB548 in a NAD 7140 power supply?

    Need to replace a 2SB548 (Q904) in a NAD 7140 power supply. I'm new to transistor matching (and AK!), as most of my experience has been with tubes. Any ideas? Thanks!
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