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ksc1845

  1. dlucy

    SMD SMT surface mount replacement or equivalent for 2SC992 KSA992 2SC1845 KSC1845 BC549 BC550 BC559 BC560 low noise BJT transistors

    Replacements for audio path through hole transistors are getting hard to find: The KSA992 and KSC1845 transistors are common replacements for many small signal BJT through hole transistors where low noise and high gain are more important than medium or high current. For super-low signals (think...
    • dlucy
    • Thread
    • ksa992f ksc1845 smd smd adapter
    • Replies: 95
    • Forum: Solid State
  2. jpreza

    BC550B transistor instead of KSC1845

    Good morning everyone, I'm in the process of replacing some noisy transistors from an HK vintage receiver. The 2SC1344 and 2SC1345 are well known for causing burst, static noise and that it's the symptom I'm experiencing. As a replacement, the KSC1845 is recommended along with the BC550...
  3. NickArchdale

    Harman Kardon HK430 refurbishment - DC offset problems

    Hi there, I hope someone can help please. I'm restoring an HK430 twin PSU receiver and appear to be falling at the last hurdle. There was crackling and switch/pot noise so after some consultation here, I have replaced all the angular 2SC458, 2SC1344 & 2SC1345 transistors with new KSC1845 (from...
  4. Isaac C.

    Hitachi SR 603 Transistor Question

    Hello everyone, I have a Hitachi SR 603 that I purchased a few months ago that has a hissing noise that gets louder as the volume is increased. For the longest time I thought it was noise from my turntable, but it is there regardless of what input is selected. It wasn't until today that I...
    • Isaac C.
    • Thread
    • 2sc1815 2sc2240 2sc458 hitachi hitachi sr 603 ksc1845 transistor
    • Replies: 25
    • Forum: Solid State
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