Any updates to this thread? I'm considering a level 4 mod myself. Everything I've read seems positive and I spoke with Rick Cullen directly yesterday. He sincerely believes in his product and doesn't think you can do better unless you spend a lot more money.
Any comments on the PS Audio DL111 with Stage IV mods?
have bought one with stage 1v mods havent received it yet , i have borrowed a stock unit very good hooked up to audio aero capitolle se mk 11, stock unit is very good can anyone tell me the differences , and recommend a really really good digital cable