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Jan 03, 2010

Raising the Aeron

Almost every high-tech startup in the Bay Area outfits their office with Herman Miller Aeron chairs.  And as some of the startups inevitably go out of business, the Aeron chairs hit the surplus office supply market, where people like me pick them up at a big discount.

Aeron chair wheels

After bringing home my discounted Aeron chair, I noticed that the center post tended to drag against the carpet.  The standard casters on Aeron chairs are designed for office carpets and solid floors, and don’t lift the chair high enough to allow the center post to clear a normal home carpet.

You can buy a larger set of Aeron casters from various sources, but they usually sell for at least $50 or more [B001H96YRG].  To me, that’s pretty expensive for a simple set of casters.

After sleuthing around the ‘net a bit, I was able to find the dimensions of the large-size OEM casters.  A specialty store called “Great Lake Casters” sells casters of the exact dimensions for a mere $1.64 each.  I ordered five.

Aeron chair wheels Aeron chair wheels

Installation was simple.  I turned the chair over, popped off the old casters and popped on the new large ones.  The new casters raise the chair by about 3/4 inch, which is plenty of clearance for the center post over the carpet.

post time: 21:03 | category: /general | comments | Share/Save/Bookmark

Unchaining the EVH Flanger Pedal

I used a Boss BF-2 flanger pedal for years.  It’s a great pedal, especially if you can find one of the older Japanese-made models.  But it could never really do that over-the-top sound from Van Halen’s Unchained.  Eddie used an older MXR flanger pedal on that classic riff, and Dunlop/MXR now have an “EVH”-branded flanger that can do that sound at the push of a button: EVH Flanger Pedal

image

This is one heck of a flanger pedal. It’s rock solid, heavy, and has a heavy duty full bypass footswitch.  It also requires a lot of power, either using two 9-volt batteries or the included 18v wall wart.

If you want the Van Halen Unchained sound, you can press a special EVH button to bypass the settings and go straight to the classic TIE-fighter swoosh effect.  For the best results, you’ll want this pedal near the front of your signal chain, with a high-output humbucker on the guitar and distortion cranked on the amp.

But the pedal can do a lot more than just the Van Halen effect.  The four tuning knobs let this pedal make tons of great sounds.  In fact, I was in search of a good Leslie or Rotoverb pedal to get that early Charlie Hunter guitar/organ sound, when I realized that I could get an excellent version of that effect just by tuning the EVH flanger.  Set the following knobs to get a decent H&K Rotosphere sound:

The EVH Flanger Pedal is a bit pricey at around $190 [B000K6B13Y], but it is easily the most versatile flanger I’ve owned. It’s one of my favorite pedals.

post time: 17:52 | category: /guitar | comments | Share/Save/Bookmark

Nov 08, 2009

LinkStash Buttons for Opera / Win7 64-bit

LinkStash [linkstashbuttonsforoperawin764bit, linkstash] is still my favorite bookmark management tool.  And Opera is still my favorite web browser.  I’ve previously provided LinkStash buttons for Opera in Windows XP.  They also work fine in the 32-bit version of Windows 7.  But if you are using LinkStash and Opera in the 64-bit version of Windows 7, you’ll need new buttons.

Here they are:

View LinkStash Bookmarks

Grab URL (Add Bookmark)

Note that these assume you installed LinkStash in the default location.

post time: 21:37 | category: /links | comments | Share/Save/Bookmark

Oct 04, 2009

From Linux to Mac

I have a server at home that handles a variety of tasks, such as DNS hosting/caching, media serving, home automation, printer/scanner sharing, and security camera control.  I’ve been running everything on an old P3-733 Linux Box [spockpowerusage, spockserverspecs] for over 8 years.  This summer, in the interest of making a major upgrade as well as preparing for an eventual hardware failure, I decided to upgrade the hardware.  Instead of building a new Linux box, I replaced the server with a Mac mini [B001U0OFKU].

The Mac mini is incredibly powerful, small, quiet, and energy efficient.  Check out the size difference between the mini and my old Linux server.  These pictures barely do justice to the monstrous size of the Linux rack.

Mac mini & Linux Rack

I bought the “low end” Mac mini and replaced the hard drive and added more RAM. The process was simple. There’s even a handy video on YouTube that illustrates each step.

Mac mini & Linux Rack

Thanks to macports.org and Apple’s inclusion of the GNU tools, getting my server daemons up and running on the Mac was only a minor pain. I also installed the latest version of VMWare Fusion [B001F5VBRU], where I’m running a Linux server on the Mac in a virtual machine.  The mini is a great host for VMs.  In retrospect, I wish I had set up the Linux VM first and kept my server daemons on Linux instead of going through the hassle of getting them to run native, but in the end, I like the resulting flexibility.

Some tips:

It’s hard to imagine a better piece of hardware for a home server than a Mac mini.


post time: 20:33 | category: /mac | comments | Share/Save/Bookmark

Sep 14, 2009

Streaming WMA Lossless from a Mac to a PlayStation 3

While the PS3 has native support for playing standard WMA music files, it does not support the WMA Lossless format. My music library is ripped to WMA Lossless, so I wanted to find a way to stream the collection to my new PS3 Slim.  Fortunately, the open source PS3 Media Server project makes this almost painless.

Although I rip my CD collection on a Windows machine, the collection itself is stored in a shared folder on a Mac mini. I run a slightly modified version of the FireFly Media Server (aka mt-daapd) on the Mac to serve this collection to any computer running iTunes, as well as a few Roku SoundBridge devices in the house. Since none of the clients support WMA Lossless, I have FireFly configured to use mplayer [mplayer, mplayersilent] to transcode the WMA Lossless files to WAV files on the fly.  This scheme works great, provided you have a build of mplayer that can decode WMA Lossless.  I use the build from here: http://stefpause.com/apple/mac/mplayer-os-x-10rc1-and-mencoder-binaries/

Installing and running PS3 Media Server on a Mac is a simple and painless way to serve media remotely to a PS3.  And it too uses mplayer to transcode audio files.  However, when I tried to serve WMA Lossless files from PS3 Media Server to my PS3, I got an “unsupported format” error.

It turns out that (as of this writing) PS3 Media Server includes its own build of mplayer, and that build does not support WMA Lossless.  Fortunately, this is easy to fix if you have another version of mplayer installed.  Just open a Terminal window, head to the “osx” directory within the “PS3 Media Server.app” resources directory, and create a symlink to the correct version of mplayer.

Here are the basic steps:

1) Install mplayer from here: http://stefpause.com/apple/mac/mplayer-os-x-10rc1-and-mencoder-binaries/

2) Start the Terminal app, and enter the following commands in order:

cd /Applications/PS3 Media Server.app/Contents/Resources/Java/osx
sudo mv mplayer mplayer-old
ln -s /usr/local/bin/mplayer mplayer

That’s all there is to it.  PS3 Media Server will automatically serve and transcode WMA Lossless files for the PS3.

post time: 01:42 | category: /media | comments | Share/Save/Bookmark


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