Anyone here build the Van Waarde OTL headphone amp and compare it to the crack?

sbelyo · 1840

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Offline sbelyo

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Hi All..

I just wondered if anyone here had built the Van Waarde OTL headphone amp design on Headwize and the compare it to a stock crack?

I have built that amp and made some minor tweaks to the PSU and it's got 330uf of caps on the output so it's not exactly as the schematic.  I love that amp, partly because it was my first point to point and it worked great the first time I powered it up.

I have recently fired it back up and put a fresh set of tubes in it and I forgot how musical this amp really was.  I took a self imposed two year break from DIY'ing and recently went through all my unfinished projects and sold them.  Then I dusted the Van Waarde off and figured that I would sell it prior to my crack kit arriving but it was so clean and quiet that I'm going to build the crack first before I sell it.