Both my C34V and MX130 (same as a C39) have MM phono circuitry mounted on 2" x 3" sections of circuit board. The tiny boards are not used because Mac cheap. It is because the lead lengths are shorter keeping noise, etc. lower. They both use two low noise dual op amps and a collection of weird value resistors and caps in the feedback loop to match the RIAA phono equalization standard. It is not rocket science at this stage of audio technology. The only preamp I have seen that attempted to go one step further was my old Apt-Holman with about six different resistive and capacitive input setting. I don't recall any of the positions making much difference with my Shure V15 III. I guess people who spend $5,000 for a TT have a predisposition to spend another $5,000 on a separate phono preamp that probably has two low noise dual op amps and a collection of weird value resistors and caps to match the RIAA phono equalization standard. Of course, tubes will make it better. Sit back, enjoy the music and temporarily forget about the equipment.