Recent content by bugbob

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    Thomas Savage Stepping Down as Moderator

    You did a very good job as moderator, with good humor. Thanks.
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    Why Audiophiles Are Shopping for Vintage Turntables

    Mr. Dernie , please do continue to provide lengthy engineering history lessons, and engineering physics lessons - the more and longer the better : ) . It is uncommon to find particularly authoritative and correct mechanical audio engineering information. It is nice to have someone capable on ASR...
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    Speaker De-coupling

    Sorry - wasn't paying attention to the height issue. Given that - it looks like you may be able to maintain approx. the same height IF your built in looking mini stands are removable. If so, two 1/4" steel, 1/2" marble or other material, and springs look like they would still work from the...
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    Speaker De-coupling

    If mechanical vibration - If wanting to do this on the cheap is the goal, and if looks aren't critical, and you're willing to DIY- check out the spring store. The following is I hope a DIY extension of what Frank Dernie already said. There are many different springs that you can get, you may...
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    Vibration control

    Just out of interest - interesting passive or semi-passive isolation or vibration control related devices - most for atomic microscopes, measuring equipment, seismic, etc : Michael Schmid - TU Wien.: Novel vibration isolation system delivers STM/AFM with picometre resolution...
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    Complaint thread about speaker measurements

    Micro desk top full range utilizing a curved mica diaphragm : http://www.bifrostec.co.jp/news/pdf/publication090700.pdf 2009 Speaker by : Heitaro Nakajima - Who led Sony's Compact Disc development in the 1970s. Ikuo Chatani - Sony development enginer who worked on the 1st ?? diamond coated...
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    Kali Audio IN-8 Studio Monitor Review

    Welcome. You entered with what I perceived as some bravado and expectations behind your questions particularly on your first few posts, and you were giving as well as taking throughout your string of posts. I hope you ride it out and stay. There are a number of scientific and industry experts...
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    WolfX700 Measurements of My DIY Replica FirstWatt F4

    Sorry, not answering your question - but as a precursor, for some without knowledge yet on the history - I believe notions of LOW feedback apparently came from Matti Otala in 1970. https://pdfs.semanticscholar.org/5304/866f608e0059f2be525a84d021a92d95266c.pdf and...
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    Purifi PTT6.5W04-01A 6.5" midwoofer

    + 1. A number of years ago my brother and family arrived here, and my then 4 year old nephew entered the front door, turned the corner into the living room, and within 1-3 seconds pushed in both dome dust caps on my speaker's midranges then nonchalantly continued on to have a look around. The...
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    Vintage Direct Drive Bearings and GT-2000 : re- lube or no lube, by Victor TT-101 design engineer

    EDIT : these comments are from one of the designing engineers of the listed turntables. The following comment and discussion link* may be of interest to those with vintage Victor and Yamaha GT-2000 direct drive turntables if they haven't seen it already. there are 4 pages of comments re...
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    NORMS AND STANDARDS FOR DISCOURSE ON ASR

    Words. More words. Too many words. Words as pseudo entities - words mistaken for things - words without context. Where is Wittgenstein - I'm at my limit I'm afraid. Have noticed it before. Sorry, but the 1st use of ignore for me.
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    Science of healthy eating

    rtos: "Many diet approaches can work in the short term for managing weight loss or diabetes etc., but it remains to be seen what approach(es) might be best for promoting long-term health and longevity." ... +1. Dallasjustice : "Don’t be afraid to eat lots of natural animal fats and protein."...
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    Can you pass as a British Citizen?

    19/24 on the UK, and as per below on Australia - I can't decide where to go. ps. growing up/living in Canada ( a former British colony ) helps with these tests. Phil Your score: 9 / 10 You passed! A score of 75% is needed on the citizenship test to pass. Welcome new Australian citizen!
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