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RE: An interesting JFET-based active XO design from TNT Audio ...

Andy are you using laser trimmed op-amps such as the OPA2134? Your xo's are old (just like us) and I'm thinking you may have TL072's which Rod Elliott says are fine for this application but I don't think they are laser trimmed. Laser trimming minimizes DC offset. Just a thought.



"Our head is round in order to allow our thoughts to change direction." Francis Picabia



Edits: 03/30/14

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