Headphone Amplifiers

J Sound Lab Headphone

“ I bought this amp on EBay, and got a good deal.  It's a nice looking, albeit small, tube headphone amp that uses a pair of 12AT7/ECC81 tubes.       The "Headphone" is very cute, and with some headphones, it was outstanding.  But it is a VERY warm sounding tube amp.  It's maybe the most tubey, "syrupy" tube amp I have ever heard.  With headphones that are already a little warm, like...” --Skylab