Opus88: Yes, the user's manual is in lack of some useful information usually provided by other manufacturers.
Nolitan: the internal SUT proves to be a decent one. I used it for MY Sonic Lab Ultra Eminent BC, ZYX Omega-S Low, Shelter 901, Denon DL-103SA,etc, with rather satisfactory results. Comparing to other exotic SUTs (may cost more or less another 88PB now!!)and to be very very picky, the internal SUTs in 324/88PB is marginally weaker in bandwidth, detail retrieval, micro-dynamics, soundstaging...but, pls remember, it's NOT fair to compare this way. EAR's internal SUTs "usually" delivers a tad of transformer's warmth, a bit more body of instruments, particularly suitable for LOMC carts which sound just a little bit cool or thin, IMHO.
Shsohis: Agree. 324 is definitely a solid state phono, revealing but never analytical and harsh in the systems I heard. I believe Lyra Helikon with 324 should be a very happy marriage;)
VBR
Dan