Tag Archives: capacitor

Building a Notch Filter for the Beyerdynamic DT 770 Pro Headphones with Measurements

Posted on January 14, 2024 by Dan

In this article I’ll go over how I designed, built and tested a passive notch filter for the Beyerdynamic DT 770 Pro 250-ohm closed-back headphones and include measurements using REW of the different filters responses. I bought these headphones over … Continue reading →

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Inexpensive Crossover Upgrade for the OSD Nero MB5 Bookshelf Speakers

Posted on August 6, 2023 by Dan

So I picked up a pair of OSD Nero MB5 bookshelf speakers about a month ago and after giving them a listen and measuring their frequency response, I decided these speakers need an upgrade! In a previous post I updated … Continue reading →

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Introducing the Dayton HiVi RTS181.3 Two-Way Bookshelf Speaker

Posted on August 26, 2019 by Dan

A few months ago I decided to redo a pair of bookshelf speakers I had built almost 15 years ago. Click here if you want to check them out. This speaker makeover consists of swapping the HiVi Research W6 driver … Continue reading →

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