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ma2275

  1. Matt The Cat

    MA2275 Phono Stage Interference Help - Stumped!

    Hi, I'm stumped and I really could use some advice on how to fix possible RF, EMF or grounding issues on the phono stage of my MA2275. It was just in the shop for 2 blown transistors controlling the bias of one of the KT88s. That issue was fixed, but as soon as I hooked it up, I noticed a...
    • Matt The Cat
    • Thread
    • distortion grounding buzzing sound interference ma2275 phono stage tubes
    • Replies: 49
    • Forum: McIntosh Audio
  2. Matt The Cat

    Tube Issue on MA2275

    Hi all, I noticed the other night as I was going to turn my MA2275 integrated tube amp off that the tube cage was WAAAAY too hot. I determined that the front, left KT88 was extremely hotter than the other 3 KT88s and also smelled bad. I immediately shut the amp off. Next day, I turned it on...
  3. D

    Which McIntosh Integrated Amp for Rock music?

    Dear McIntosh fans, I am considering buying my first McIntosh amplifier and looking at the second hand market. I am currently using Marantz Pearl Lite with B&W 804 Nautilus speakers. Although I like listening to vinyl, the primary source I use is my CD collection. I have been an experienced...
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