HPA-1 - Stereo Headphone Amplifier
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bootman

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Has anyone ever seen (or heard) this before?



The HPA-1 is a stereo headphone amplifier mounted on a jack.

More info can be found here.

This would be a neat way to add a quick headphone jack to some of the tube preamp kits out there.
 
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TimSchirmer

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interesting...
 
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