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3155

  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. fiskmaas

    NAD 3155 outputs one channel only

    Hi, I have a NAD 3155 that has worked very well over the years. Now though the left channel has stopped working and I thought I'd give it a shot at diagnosing it. I have opened it and cleaned it with air and electronics spray and it helped with crackeling in the audio knob, but still just...
    • fiskmaas
    • Thread
    • 3155 left channel blown left channel gone left channel problem nad nad3155 no sound left channel one channel only right channel right channel works
    • Replies: 97
    • Forum: DIY
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