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May 4, 2021 / consort3

Gleanings 3

The worlds first polyphonic Synth

https://en.wikipedia.org/wiki/Novachords

The worlds first flip flop (the Eccles-Jordan from 1919)

Radio-Review-1919-12

Ancient musical scales (including Pythagorus’ comma for Delia Derbyshire fans) How the heck did the ancient Greeks figure this out without HP test equipment?

https://borisreitman.medium.com/problems-with-ancient-musical-scales-272217ca0d27

What is a power chord?

https://en.wikipedia.org/wiki/Power_chord

The late legend Bob Pease describes distortion in this Youtube video

https://www.youtube.com/watch?v=9a-F59UnEY8

Police corruption

https://www.theguardian.com/commentisfree/2021/may/07/tv-line-of-duty-police-history-corruption-money

Cheap shipping

https://www.lrb.co.uk/the-paper/v43/n08/john-lanchester/gargantuanisation

The Stooge in number 10

https://www.conservativewoman.co.uk/the-stooge-in-number-ten/

Whatever happened to six sigma?

https://getpocket.com/explore/item/whatever-happened-to-six-sigma?utm_source=pocket-newtab-global-en-GB

32 bit DAC . There are lies, damn lies, statistics and  ADC/DAC specs!

https://www.allaboutcircuits.com/news/mus-ic-to-auediophiles-ears-lessons-hi-fi-electronics-from-new-dac/

I had the pleasure of meeting Royal photographer Ken Lennox who told me about Princess Diana

https://neoskosmos.com/en/200309/princess-diana-vs-the-world-tragedy-arete-kleos-or-something-else/

The extraordinary career of Freddie Gutfreund

https://www.bristol.ac.uk/biochemistry/news/obituaries/professor-h-gutfreund-frs-1921–2021/

The development story of the legendary B&W Nautilus

https://www.bowerswilkins.com/en-gb/blog/products/history-of-nautilus

Surprising comparison of LPs versus CDs Despite the theoretical advantage of Cds the real world is closer.

https://www.audioholics.com/audio-technologies/dynamic-comparison-of-lps-vs-cds-part-4

There is a new standard for Midi

https://qz.com/1788828/how-will-midi-2-0-change-music/

Sir Bernard Lovell and his 1963 cold war visit to the Russians

https://physicsworld.com/a/a-fusion-of-minds/

34 years after the murder of Daniel Morgan there is some justice.

https://www.standard.co.uk/news/uk/daniel-morgan-independent-panel-report-murder-b940626.html

A few years back the conventional wisdom was that Mosfets do not thermally run away; until this paper from Spirito

spirito

More on the Mosfet problem

dm00320449-low-voltage-mosfet-technology-behavior-in-fbsoa-stmicroelectronics

Enlightening thread on the 3rd order  LR crossover

http://techtalk.parts-express.com/forum/tech-talk-forum/1358377-acoustic-3rd-order-with-linkwitz-riley-characteristics

Sad to see that Stewart Tyler of Proac has passed away. If imitation is the sincerest form of flattery then Stewart must have been flattered because around 2004, everyone and his cousin was cloning the Proac 2.5

https://www.oocities.org/diyproac25/index.htm

Fired by Bot at Amazon; Its you against the machine

https://www.bloomberg.com/news/features/2021-06-28/fired-by-bot-amazon-turns-to-machine-managers-and-workers-are-losing-out

Why the Miami condo collapsed

https://slate.com/business/2021/06/miami-condo-collapse-florida-building-industry-crisis.html?utm_source=pocket-newtab-global-en-GB

Robin Schmidts music engineering tools

http://www.rs-met.com/index.html

The beginnings of control theory. Maxwell again!

Origin of Stability Analysis

Audibility of Group delay equalisation

https://ieeexplore.ieee.org/document/9450008

The famous Moores law paper from 1965

https://hasler.ece.gatech.edu/Published_papers/Technology_overview/gordon_moore_1965_article.pdf

WW2 Axis database

https://www.cdvandt.org/

Map of Sea level in 2050

https://coastal.climatecentral.org/map/7/-0.5442/52.6655/?theme=sea_level_rise&map_type=year&basemap=roadmap&contiguous=true&elevation_model=best_available&forecast_year=2050&pathway=rcp45&percentile=p50&refresh=true&return_level=return_level_1&slr_model=kopp_2014

Bidens botched bug out

https://www.americanthinker.com/articles/2021/08/bidens_botched_bug_out_.html

What now for Global Britain after Afghanistan crisis?

https://www.politicshome.com/thehouse/article/what-now-for-global-britain-after-afghanistan-crisis

I was unaware of the monster EMI elliptical 19×14 type 950 until now

http://ukhhsoc.torrens.org/makers/EMI_Sound/Matched_LS_Set_950_Leaflet_DS_806/Front.jpeg

From a British to a Japanese “bad boy”

https://www.hifiengine.com/manual_library/pioneer/hpm-150.shtml

Another Japanese “bad boy” from the same era

http://www.hifi-intouch.co.uk/products/6079/67/other-speakers/technics-sb-10000-loudspeaker-system.aspx

Audio restoration and noise suppresion

https://www.cedar-audio.com/index.shtml

Japanese hi-fi civil war 1970-1980s Mines better than yours, from Spanish forum

https://www.audioplanet.biz/t61699-guerra-civil-japonesa-del-audio-70s-80s

Reasons for Boris reshuffle

https://westenglandbylines.co.uk/professor-phil-syrpis-on-the-cabinet-reshuffle/

The chip industry creates climate problems

https://www.theguardian.com/environment/2021/sep/18/semiconductor-silicon-chips-carbon-footprint-climate

Back in the past before DSP, analogue active crossovers were popular. The Naim Naxo was one such. Falcon acoustics also produced them and like me favoured the third order type. Here is a page on the Naxo:

http://www.neilmcbride.co.uk/naxocircuits.html

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