Can I use a step up transformer?

Dear @thuchan : So have you answers to all those simple questions that  coming from what you posted and where you did not any explanation?

My question here is: have you specific answers or not ? and if not its ok, no problem but just tell us about one way or the other. Don't be " shy ".

regards and enjoy the music,
R.

Dear Raul, I am a little puzzled. You are stating in this thread:
> > "I’m not an expert on SUTs I’m still learning about and what I find out is that the most important subject is to match the SUT ..."

and also:

> > "in my case I experimented for more years than you with the best vintage and today SUTs and with today and vintage top PS, either SS and tube designs.“

Which statement should I follow? Anyway maybe we shouldn’t care so much about these two statements.
Regarding czarivey`s suggestion why not going for higher output MCs? In general he is right, when you are using weak phono stages (are you ? :-) this may help to get more dynamics.If you are running a phono pre with 60db gain you will not go very far with 0,2mV LoMCs – In this case you need going for higher output Mcs. But - and this is the downside: The effective mass is much higher, you have more coil on the cart carrier. Unfortunately this hinders the dynamics!LoMCs are always the spearhead of dynamics but with low output! There is no free lunch.

You are asking me why I said: " facing two coils looking at each other, the one of the cart, the other of the SUT. You need harmonizing both .... "where did you learn this because in your opinion it is " false " too. Raul, this is the basic principle of SUT matching. What should be false here? This is what you are dealing with when you are matching a SUT.You need trying to harmonize the specifications of the coil of the cart with the coil of the SUT. You described it very well when stating it`s not only about impedance matching.
If you do not accept this given fact you should not start dealing with this matter.
Anyway, I remember you asked me why I said some days ago „it is not an easy job matching LoMcs and SUTs“. Hope you understand better now.

Deciding which SUT is appropriate is a matter of personal taste and careful matching!
What were your favourite SUTs and LoMCs when you did your matching experiences?
We all want to learn from your experiences. Don't be shy too...

Dear @john_tracy :  Yes, mi mistake. I was thinking other thing and out of focus.

Anyway, increment in noise means lower dynamic range and noise is a kind of distortion too that we don't want it in any way. We don't want chage the original  characteristics.

In the other side normally PLP manufacturer gives the unit specs at certain " levels " and almost no one gives specs/characteristics at full output and the manufacturer normally try that active and passive parts on his units stay at " safe " area and problem is that not all manufacturers takes  provision of this and its parts instead to stay at 50% of the active/passive part manufacturer specs works ( normally ) at 80%+ of its intrinsec capacities and this is a problem against: " distortions at minimum " and for the PLP stay on manufacturer specs.

Yes, a designed PLP ( Phonolinepreamp ) for cartridges with at least 0.3mv can handle cartridges not even with 0.2mv but 0.15mv or 0.1mv but we have to " pay " for it: higher distortions. This is the real subject not only those numbers you are talking about.


Regards and enjoy the music,
R.

Dear @thuchan : """  tuning the SUT by changing the capacitance I would not recommend  .."""

this is what @halcro posted:

"""anywhere from 10K Ohms to 60K Ohms and the cartridge responds in the same way that a MM does. """

he did not  talks about capacitance.


Regards and enjoy the music,
R.

Dear @thuchan :  This is what you can read in the Lyra cartridge site:


"""  Most users (and phono stages) will benefit from the regular Etna with much higher output and considerably more energy; resulting in a much better signal-to-noise ratio. If you are in doubt about which version of Etna that will work best in your system, please go with the regular Etna.
The Etna SL may provide extra pure and pristine sound from an audio system that is optimized for a low-impedance, low-output cartridge. However, this may be accompanied with a lesser level of energy and power. """


That is what J.Carr said for all his 3 " low output " models ( Atlas, Etna and Kleos. ) that in reality are not so low output: 0.25 mv. The reguklar versions: 0.5mv.
Look what he said:

""   may provide extra pure and pristine sound from an audio system that is optimized for a low-impedance, low-output cartridge. However, this may be accompanied with a lesser level of energy and power """

Could exist some exceptions depending of the PLP design but more gain in a PLP design makes " compromises " too and not only to deal with noise but other kind of distortions coming many times for the necessity to use additional gain stages in the PLP design as in its power suply design and some other factors.
Things are not so easy as you posted. Yes, a 0.20mv cartridge ( everything the same ) can performs ( in theory ) better as the same model with 0.50mv but JC noted that the system must be optimized for! I think that 95%+ systems did not even JC statement.
So, in my example about is better to buy a higher output cartridge or spend a lot of money for the right PLP that can handle with high quality level the low output cartridge.

In the other side, I posted to you several tiemes ( in this thread. ) that what we need to match is the rigth SUT gain with the PLP and not to the cartridge that is not sensitive to changes on impedances and capacitance because the LOMC cartridges has very low internal impedance and inductance so cartridge does not cares about the SUT in that regards.

A LOMC cartridge could be sensitive to impedance/capacitance changes when these values are  extremely high/low but with the values usually happens in an audio systems the cartridge is " non-sensitive " to those changes and if not sensitive then where comes the quality level changes some of us can hear.
I already said it: comes from the internal interactions in the PLP design. I posted that for every single evaluation before/after the SPL must be evenly because our ears are really sensitive to minute SPL. Changes on impedance can drop/high SPL with the same cartridge and if the PLP is a good design what we listen as " changes " are not really a change in the cartridge quality level performance but only changes in the PLP SPLs.

Btw, I like almost any good LOMC cartridge design, vintage and today. With my PLP I don't need to use a SUT because it can handle any LOMC cartridge directly with no single  trade offs I posted. I tested several SUTs and as a fact I own several ones because I just want it to try and compare against active designs.

Again, a  very good active high gain PLP design always beats a PLP  with a SUT in its design or using an external SUT. 

Regards and enjoy tghe music,
R.