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Welcome to my blog, which was once a mailing list of the same name and is still generated by mail. Please reply via the "comment" links.

Always interested in offers/projects/new ideas. Eclectic experience in fields like: numerical computing; Python web; Java enterprise; functional languages; GPGPU; SQL databases; etc. Based in Santiago, Chile; telecommute worldwide. CV; email.

Personal Projects

Lepl parser for Python.

Colorless Green.

Photography around Santiago.

SVG experiment.

Professional Portfolio

Calibration of seismometers.

Data access via web services.

Cache rewrite.

Extending OpenSSH.

Last 100 entries

NYT Has More Details; Obvious Question; Advertising Low Cost Routes?; Similar Analysis Here; My Current Take On Surveillance Scandal; Last.fm is Hiring; How I Am 2; The back-wards compatibility fallacy; Wiggle The Mouse To Pass The Test; Python Enums on Crack, Part II; Multiple Monitors with Linux; What Is Happening In Turkey; A Simpler Enum; John Fogerty on IAmA; And You May Well Ask...; Progress on a Better Enum; I'm a MACHIIIIIIIIIIIIIIINE; Those little tab things on the side of jet engines; Re: Python's sad, unimaginative Enum; Some explanation; Printing binary trees sideways; About "Python's sad, unimaginative Enum"; Atoms in python; Some good feedback here; Frustration Understood; I agree with you #nt; What would be imaginative?; Re: Enum; this is fucking useless; Enum; Python's sad, unimaginative Enum; Possible Fix; Work, Exhaustion, Vacation; VirtualBox with Centos 6.3 to 6.4, client; Matasano - Programming Lessons Learned; PDF to HTML; Alternate Substitution; Why RSA Works; Trigger; Dreaming of Death; Example: Tracing; Using Coroutines In Protocol Simulations; Python 3.3 Only; Pure Python SHA1 and MD4 Implementations; Ubuntu on VirtualBox; Starting TOR as a service on OpenSuse 12.3; 1001 Albums; Using fail2ban on OpenSuse 12.3; PPPoE on OpenSuse 12.3; Good Article on Unified Physics; It's Police (Carabineros); Linux Software for Listening to and Exploring Music; Android is Pretty Bad; Lucky Number; 3D Printing for Casting; Cover Art for MPDroid; Who'd a thought the French were so bigoted?; PS Input Signal; Small Problem with Roksan K2 Amp; Roksan K2 Amp + ATC SCM7 Speakers; Do What Makes Sense; Re: Arguing About Tests, Still; Arguing About Tests, Still; Images; Good Article on NY Drummers; Related Bug Report; Getting Python 3.3 and Virtualenv Working in OpenSuse 12.3; How I Am; Awesome video about digital audio; The Difference Between Dimensional and Normalized Databases; The rise of the new Chinese bogeyman; Updated Syntax; Very First Steps to C-ORM; The Ideal User Interface For Music Exploration; Can The Republicans Be Saved?; Rate Limiting Calls to EchoNest; Mods to Cache; Comparing UYKFG and UYKFD/E/F; Someone Else is Concerned; EchoNest-based Playlist Generator for MPD; Example Voting Results; A Heavyweight Python Cache; Identifying Artists with EchoNest; Notes on Pregalex / Pregabalina / Lyrica; The Neil Cowley Trio; Drake - Make for Data; A Reliable Python Web Service; Useful Python Date/Time Library?; Need to Sleep, But this is Good; Command Line Set Difference; Little Details...; Linux Command Line Tricks; AutoTools Tutorial; Hangman Tactics; A Tor Proxy Embedded In A Web Page; Tree (Nested Dicts) in Python; Sleeping at Parties; I Know Someone Who Hurts Other People; Light and Tea; Description of the LCS35 Time Capsule Crypto-Puzzle; Re: I can relate to that ...

© 2006-2013 Andrew Cooke (site) / post authors (content).

Grado SR60

From: "andrew cooke" <andrew@...>

Date: Tue, 9 May 2006 10:35:08 -0400 (CLT)

Arrived in Tucson yesterday and collected my Amazon pckages, including a
pair of Grado SR60s.  I'm listening to them as I type this (Bragg +
Wilco's Mermaid Av, ripped onto my laptop from a portable CD reader).

They're good, but cheap.  Obviously there's no way for me to separate the
subjective and objective, but they sound just like you'd expect good,
cheap headphones to sound like - there's not much bass, but the mids and
highs are very clear, but a little bit "sparkly".  Harmonic and acoustic
guitar sounds perfect.

Switching to Ice T's OG, the lack of bass should be more important - and
it is, but even so these sound pretty good.  The bass is there - it's
tight and tuneful - but it's lower in the mix than you'd expect.  The
emphasis on mid range brings out the vocals.  Which is OK with Ice T.

Constructionwise, they also look to be made to a price.  The cable seems
to be inside a rubber tube - it looks like "thick expensive cable" until
it goes into a moulding, where it squashes flat!  And the headband is as
cheap looking as "vinyl covered steel" sounds.  BUT, having said that,
they're more comfortable than I expected having heard other comments - I
have an old pair of Beyers that sit on the ears, and they are much worse;
these are pretty gentle (and I have a big head!).  And they have the
old-fashioned cool look nailed.

So: happy.  These are a good pair of budget phones.  Great for travelling
(pads rotate flat for easy packing).  But they don't get into the "paying
more for nothing" territory.

Andrew

Grados Unreliable?

From: "andrew cooke" <andrew@...>

Date: Sun, 9 Jul 2006 17:15:30 -0400 (CLT)

So what, two months later?  The left phone was distorting ("rattling")
with strong bass.  Doing a google it turns out this is a common problem. 
After reading this page -
http://www.headwize.com/projects/showfile.php?file=grado_prj.htm - and
took the thing apart (I bought them in the States, but live in Chile - I
wasnt even goig to try getting support).  While the heat/haordryer trick
worked to loosen the glue to separate the main body, I was unable to
either remove the driver or the "SR60" stick-on circle (which is now
pretty mangled from my attempts...).

Disenchanted, I then read the next page (duh) at
http://www.headwize.com/projects/showproj.php?file=grado_add_prj.htm and
tried *sucking* - just putting my lips to the speaker grill and breathing
in.  Amazingly, that seems to have fixed things.

So Grado officially suck, I guess (OK, I admit I still like the sound, but
they are terribly bright, and I can't see them lasting much longer at this
rate).

Andrew

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