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AMB Laboratories DIY Audio | diyAudio
https://www.diyaudio.com/community/threads/amb-laboratories-diy-audio.301381/
AMB Laboratories DIY Audio. Thread starter DF Plummer; Start date 2016-12-28 9:26 pm; D. DF Plummer Member. 2007-11-17 4:40 am. 2016-12-28 9:26 pm #1 2016-12-28 9:26 pm #1 Hi there! Has anyone built a AMB Laboratories DIY Audio B24 amplifier? If so, is there any source for a parts list? RSVP/thanks,
AMB Laboratories DIY Audio Forums • View topic ...
https://www.amb.org/forum/suggestions-for-alternative-mosfet-for-sigma-11-psu-t4262.html
AMB Laboratories DIY Audio Forums. hi-fi par excellence. ... amb Site Admin Posts: 11328 Likes: 249 posts Liked in: 599 posts Joined: March 30th, 2010, 5:49 am Location: Sunnyvale, CA Country: Top. Re: Suggestions for alternative MOSFET for Sigma 11 …
AMB Laboratories DIY Audio Forums • View topic - …
https://www.amb.org/forum/building-a-preamp-t4279.html
Re: Building A Preamp. by amb » March 15th, 2021, 3:18 am. jackcf wrote: I need a phono input and I don't have the tools to do anything on the cabinet that isn't round. You could add a phono stage from somewhere, because AMB currently doesn't have one. As for rectangular holes, Front Panel Express s always a possibility.
The σ11 regulated power supply - AMB Laboratories
https://www.amb.org/audio/sigma11/
YBM Audio; Where to get help Be sure you read all the information at this site. If you cannot find an answer to a question, or encounter a problem you cannot solve, the best place to get support is the AMB DIY audio forum. Search the forums for an answer before asking a question. Your question may have already been asked and answered.
AMB Laboratories DIY Audio Forums • View topic - σ22 Wrong ...
https://www.amb.org/forum/sigma22-wrong-voltage-and-failure-t4408.html
σ22 Wrong Voltage and Failure. by rtaylor76 » December 28th, 2021, 3:40 am. Thought I built everything correct for a 24V σ22. Powered up and positive voltage was 24.21V and negative rail was 25.37V. AC volts on negative side was also 0.784V while on positive side was 0.01V. While probing around, negative voltage dropped to -3V and positive ...
AMB Laboratories DIY Audio Forums • View topic ...
https://www.amb.org/forum/troubleshooting-m3-t4157.html
AMB Laboratories DIY Audio Forums. hi-fi par excellence. Skip to content. ... amb Site Admin Posts: 11332 Likes: 249 posts Liked in: 600 posts Joined: March 30th, 2010, 5:49 am Location: Sunnyvale, CA Country: Top. Re: Troubleshooting M³ ...
AMB Laboratories DIY Audio Forums • View topic - xt0rted's ...
https://www.amb.org/forum/xt0rteds-balanced-build-t4376-30.html
Re: xt0rted's balanced build. by amb » November 8th, 2021, 8:27 am. Yes, the amp takes some time to warm up and stabilize, this is especially true for the output stage because how warm it gets is influenced by how high you adjust the bias, and as the MOSFETs warm up, the quiescent current goes down due to their negative thermal coefficient ...
AMB Laboratories DIY Audio Forums • View topic - Low …
https://www.amb.org/forum/low-unreg-voltage-t4208.html
Re: Low Unreg Voltage. by amb » September 29th, 2020, 3:57 am. With 9V AC input, the unregulated voltage (across C5) of 12V is about right. The fact that your output voltage sags under load suggests that your 0.47Ω resistors may be …
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