I read what he wrote as saying the amp is balanced internally, and he generates a single ended signal to go to the headphone jack. That's why there isn't an rca option. If he was single ended internally, he'd have rca outs as well, at a minimum.
I never actually managed to close the deal, but I came REALLY close to sex with twins once. In hindsight, I'm glad it didn't work out. 1 psycho girl post breakup was probably enough.
If anyone gets banned from headfi for what they say here, then it says more about headfi than here. If anyone has a problem with what's said here, respond here...
The CEC DA53 can be had from pricejapan for $685. Add an m3 or dynalo etc for the headphone amp requirement and you're still way under $1000, have usb input, a dac with great sound, with true balanced outputs...
I gave them to larry as part of the deal. I'm not sure what he did with them. I did it because I thought they sounded great, but the comfort and leakage left something to be desired. I'm much happier with the 3ks than I was with the ps1s. I'm contemplating doing it to my hp1s if I can't find a decent trade.
Your impression is the way things are. I had my ps1s destroyed in the construction of the PS3000s, as did salty. He had his later converted to HP3000s, I so I have the only PS3000s in the world...