Tyll Hertsens

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Tyll Hertsens  |  Mar 28, 2011  |  1 comments
Q: Why is a university librarian like a fourteen year old skateboarder?
A: Both would love a pair of Beyerdynamic DT 235 headphones!

The Beyerdynamic DT 235 ($57.65, available in black and white) is about as attractive as a brick. But it's also as durable and useful, not nearly so heavy, and sounds way better. This plain-Jane headphone is perfect for library listening rooms, museums, dentist chairs, and all manner of utility applications ... including the one where you give it to a kid who can break a bowling ball in a padded room.

Tyll Hertsens  |  Mar 27, 2011  |  21 comments
Oh Nooooos!
I was at the Consumer Electronics Show earlier this year for my first face-to-face meetings with my new boss and his boss from Source Interlink Media about the InnerFidelity start-up, when out of the blue the boss's boss says, "Say, I've got a meeting with Skullcandy this afternoon, you should come."

Ruh roh.

We high-end headphone geeks don't take too kindly to headphones painted up with pink kitties and cartoon monkeys, so I try to opt out gracefully, "Aw, geez, I dunno, they're not really my thing. They're pretty and all, and Skullcandy is a very popular maker, but I think I'm more interested in the more serious and sound quality oriented brands."

*silence*

"You should come."

"Yes, boss..."

Tyll Hertsens  |  Mar 25, 2011  |  0 comments
Electron microscopes are filled with myriad and dissimilar technological hurdles to overcome: high voltage adjustable power supplies; precise and adjustable analog scan generators; adjustable magnetic lenses; precise and finely adjustable mechanics for physically moving the sample; and optional complex systems like x-ray spectrometer analysis of specimen chemistry. SEMs are COMPLEX!

I just can't believe an SEM is a viable DIY project ...

Tyll Hertsens  |  Mar 23, 2011  |  5 comments
Headphones Can Be Deadly! For the last six months or so I've been subscribed to a number of news feeds about headphones, and I simply can't believe the number of times someone is injured or killed while listening to their tunes. Let me give you a few examples ...

Trains

March 20, 2011: Man hit and killed by train in Madera, CA.

Tyll Hertsens  |  Mar 21, 2011  |  31 comments
Promises Kept
My first post was an exercise in getting all the bits-and-pieces together to create content. In many ways this is my first real post here ... and I want to keep a promise. For years I've said I would measure the effects of the various headphone pads on Grado headphones; well, I am very glad to say finally: here it is.
Tyll Hertsens  |  Mar 19, 2011  |  5 comments
The Sennheiser PX 200-IIi (MSRP $149.95) is a general-purpose headset, ideally suited and convenient for kids, students, and casual home, office, and travel use. It’s light and small, very well built, and will easily survive unending rounds between backpack, computer desk, and kitchen junk drawer. Best of all, it packs neatly into a very small size with a unique folding design making it only slightly larger than a pair of sunglasses when stowed.

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