B&K: 4152 or 4153? (Massimo Grassi )

Subject: B&K: 4152 or 4153?
From:    Massimo Grassi  <massimo.grassi@xxxxxxxx>
Date:    Mon, 9 Dec 2013 09:23:29 +0100

Dear all, I'm about the buy the B&K artificial ear to calibrate the headphones of my lab. However, the more I read the less I understand about calibration-standards and the way things should be done. In particular, I didn't understand whether I have to buy the B&K 4152 or the 4153. Apologies in advance if this sounds like a silly question to you, m -- http://www.psy.unipd.it/~grassi/ http://www.springer.com/978-1-4614-2196-2

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DAn Ellis <dpwe@ee.columbia.edu>
Electrical Engineering Dept., Columbia University