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Building a headphone amp

S

Smartazz

Diamond Member
I want to build myself a headphone amplifier for my Sennheiser HD595's, they have an impedance of 125 if that means anything when building one. Any advice or info would be appreciated, thanks.
 
Tangent's CMOY site

Moy's original article.

pimeta

PPA

I had a Pimeta for a short time and then ended up winning a portable amp so I sold it. I would guess that a PPA or Pimeta would serve you well. You could also look for people who are selling already built versions. Just check up on their feedback because some DIY can be a little flaky (though I haven't heard of that happening at head-fi for a good while). I think there was another project, m^3, that was supposed to be a really good amp. I've only heard it once or twice. But I think that'll be out of your price range from what you stated in your other threads. I think PPA will probably be the upper range for you.
 
Originally posted by: Cheesehead
Originally posted by: slackwarelinux
The LM386 is an easy to use audio amplifier with minimal external components.

There are plenty of example circuits on google, here is one.
Click to expand...

Eh. The LM386 is not a very high-quality IC - most of the better IC-based designs use the OPA627.
Click to expand...

Woah, the OPA627 looks really nice. It also costs 40 times as much 🙁

I guess if this is a headphone amp for the sake of a headphone amp the LM386 might make sense, but otherwise the LM386 seems like a poor choice.
 
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