Low vs. High Output MC Cartridges

Lower output carts have wider frequency range. The specified one usually placed for both versions the same but it's different in reality.

One more important point:
Low-outs are less sensible to RFI or EMI or turntable motor noise. The tolerance in phono preamps to EMI or RFI may also come onto the game with low-out MC, but the implementation of proper EMI or RFI tolerance on the circuit board isn't rocket science nowdays.

A moving inductive coil travels accross the constant magnetic field by Faradey's law and getting a voltage drop between its first and last coil transferred through the pick-up arm wiring harness to your phono preamp...

LOMCs have substantially less coils and certainly less inductance. The cartrige is more likely become a microphone having larger number of coils and sensible to weaker magnetic fields such as EMI. So there's no contradiction there: If cartridge picks up nothing or tolerably insensible to EMI or RFI, than nothing gets amplified X amount of dB or times.

That's why my preference is in LOMC(but not SLOMC though) with high-gain (60dB+) SS phonostage with single gain jFet stage.

Lewm,
I meant for the MM and HOMC cartridges that have higher inductance coils vs. LOMC.
Higher inductance means higher sensitivity to the variable magnetic flux(EMI). Same motions across permanent magnet with larger number of coils will induce larger EMF(Electro Magnetic Force i.e. output voltage) and correspondingly less tolerance to outside signal trash.

Frogman, your comments about generalization are very true, however generalizing gives you some ideas about building your analogue system based on either scientific facts, reviews, feedback, personal listening experience. My system based on LOMC and 60dB SUT-less pleases me all the way except that it doesn't have a subsonic filter and some of the records really rumble the speakers.

02-09-12: Rockitman

I'm not sure. How do you explain Clearaudio's upper tier carts ? The Goldfinger Statement cart is HO MC and arguably one of the best sounding carts one can buy.

1+1=2 only in math, but in reality it could be 2 or more...