My homemade headphone amp with my Sennheiser HD-555 headphones (soon to be replaced)
What op-amps are you using?
This amplifier has two op amps per channel, an input buffer opa627 then AC coupled to another opa627. I think the opa627 is a bit of an overkill, especially because they're outrageously expensive, I used them because I had a few sitting around. The amp is a little sloppy in construction and I
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