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Posts
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Kerry last won the day on June 17 2022
Kerry had the most liked content!
About Kerry
- Birthday 06/18/1963
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Profile Information
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Location
New York, NY
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Gender
Male
Converted
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Location
New York, NY
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Interests
Electronics, Drums, Guitar, Golf
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Occupation
Management Consultant
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Headphones
STAX SR-404, O2 Mk I
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Headphone Amps
DIY T2, DIY KGST, DIY DynaT, DIY SS Dynalo Mini
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Sources
DIY USB OPUS DAC, Denafrips Ares
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Other Audio Gear
Classe CA-200, Magnepan MG-1.5
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Kerry started following Happy Birthday, Birgir!! , Kaldas INOX (Flagship Closed E-Stat) – Official Thread w/ Technical Analysis , Iceland and 7 others
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Best wishes for you and your fellow countrymen. Stay safe!
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You should use a higher Hfe. What you have is ok, but if lower R39 to around 40k to 50k. Highest value that is stable.
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Depending on the Hfe of Q23, you might need to lower R39. This could cause instability / oscillations in that area. If you can hear the amp without the headphones in, then it's oscillating. I agree that most multimeters should be able to pick this up (though maybe not accurately). If the amp is wildly oscillating and has very high voltage swings it could possibly damage the amp.
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Happy (very) belated birthday, Jose
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I had some of these made up. PM me. They are a drop-in replacement for the Keystone part, but with a 6mm opening
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Happy belated birthday, Chris. Just saw this now, but wanted to wish you well
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Happy (very) belated birthday, Rob
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Happy Birthday Antonio! Enjoy
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Happy belated birthday!!
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Happy Birthday, Birgir!!! I hope you had a wonderful day
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Congrats! Awesome news