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Preview : Glenn OTL headphone amplifier

Posted by Amine Slimani on November 25, 2013 at 4:25 PM


As I was looking to upgrade my headphone amplifier for the ALO recabled Beyer T1s, it was clear that I needed to get a tube OTL amplifier as recommended by many people who have tried that combination.

 

While I was about to order the Woo Audio WA2 (OTL amp based on 6AS7 / 6080, I was lucky enough that Stavros (rosgr63) pointed me towards Glenn who makes some very interesting tube amplifiers.

 

After discussing a little bit with Glenn, we settled on the configuration shown below. The amplifier uses a 6SN7 tube as driver and 3DG4 as a rectifier. As for the output tubes, it can use different kinds. Here is what Glenn wrote : "It uses six 6BL7s for outputs or two or four 6AS7s or two 6336."

There is already a discussion started here : www.tweak-fi.com/apps/forums/topics/show/9951469-glenn-s-otl-headphone-amplifier

Glenn is expecting to finish the build by mid decembre. So keep tuned ...

Categories: Amplification

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