[Dodgexander]

Interesting! thanks for posting that.
 
I wish I had the skills to easily make one of those. Any idea where I can purchase an off the shelf equivalent or a consumer grade amp suited for low impedance/high sensitivity cans?

 

[Logistics]

Interesting! thanks for posting that.

I wish I had the skills to easily make one of those. Any idea where I can purchase an off the shelf equivalent or a consumer grade amp suited for low impedance/high sensitivity cans?

I would just keep watching Craigslist for older (80's and earlier) amplifiers or receivers, and look up their specs till you find one with good output power on the headphone stage, at a price you like. Maybe even a lower end professional rack mount amp with headphone stage.