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F.S. SMSL Headphone Amplifier

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As detailed in the blog posts,here, and here.

I got it for $50, made some mods that drastically improved the sound, but I'm drowning in headphone amps around here and it frankly is not going to compete against my reference so I should like to pass it along to a new owner.

It's a sweet little amp, linear, split supply, a "proper" circuit, no virtual grounds and such nonsense. NJM4556 op amp (like Grado RA-1). The sound is honest and easy on the ears.

Looking to sell for $40 including shipping. I'm sick of ebay's shenanigans, this is a old-school "pm me if interested" offer.
 
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