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sta-2300

  1. M

    STA-2300 power supply issue

    The issue started when the eq amp developed a loud hum. Then, I noticed that with no input and volume maxed, there was a similar, but faint hum in the aux input. In testing the power supply board I found AC ripple on the B+ and speaker protect/relay supply outputs( pins 8,[9: not shown],10). The...
    • Matt_ME
    • Thread
    • eq amp hum power supply board relay board speaker protect board sta-2300
    • Replies: 2
    • Forum: Solid State
  2. C

    Realistic STA-2300 Power Switch Question

    I have a 2300 with a bad power switch. It's the SDU3P Sanyo switch. I've ordered a replacement but when I pulled it I noticed that it appears to be a DPST switch. The connected side is no longer switching, but the unconnected/unused side is. I can't find a data sheet on the switch to see if...
    • chindokae
    • Thread
    • power switch. amp power switch realistic sdu3p sta-2300
    • Replies: 2
    • Forum: Solid State
  3. M

    McIntosh C28 VS Realistic STA-2300

    First Post...(in this forum) I recently acquired a couple of Vintage McIntosh units at a steal price (since the seller could not confirm functionality). I gambled and looks like it was a good call. I bought an MC2105 power amp and the matching C28 pre-amp. After some cleaning (20 years of dust...
    • Martin Angus
    • Thread
    • c28 comparison fostex mc2105 mcintosh realistic sta-2300 vintage
    • Replies: 2
    • Forum: McIntosh Audio
  4. M

    Help! Realistic STA-2300 Power level LED problem

    Hi to all...this is my first post. I have the subject receiver that I am putting back into service. I bought it new in 1982 and have had it in storage for the last 17 years. I recently decided to use it again and took it out of the plastic bag. I worked perfectly...almost! Two issues I want to...
    • Martin Angus
    • Thread
    • realistic sta-2300
    • Replies: 5
    • Forum: DIY
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