Cartridge Loading.....Part II


I read last night the below noted discussion with great interest.  It's a long post but worth the effort and I found it interesting.

It started me thinking about the amount of loading on my moving coil cartridges.  Years ago I purchased my first MC Cart, a very nice Benz Micro Glider, medium output of 0.5 mV as I recall.  At that time I inquired about loading here on Audiogon.  I was convinced, via discussion, by another member, that 300 Ohms was the magic number, so I thought.

Time moved onward and my second MC Cart is currently a Lyra Delos, again medium output 0.6mV.  Both carts had Boron cantilevers', 6 nines oxygen free copper coils and line contact diamond stylis.  When I set up the Delos I did not change or even consider 'loading' changes.  That was a grand mistake.....

Well, thanks to this specific thread I started to second guess myself . (you can do this when retired and more time is on your hands....)

My take from this recent thread is as follows.  Load at 100 Ohms or at 47K Ohms with a quality MC cartridge.  I opened up my Conrad Johnson EF1 Phono Stage this afternoon.  Found it set at 500 Ohms loading.  100 Ohms is not an available setting.  Damn...All these years I've been running the wrong loading, and on two carts, back to back...  I don't recall why I set the loading at 500 Ohms.  Faulty logic.

I reset the loading to 47K, buttoned things up and called the wife in for a listening session.  Sure as heck both of us noticed the highs were crisper and more 'apparent' than in the recent past.  Not a huge difference, but yes, a difference..  Hard lesson learned!

So, you smarter folks on this site might banter amongst yourselves, but in reality there are those of us, behind the curtains, reading and listening!  I just wish I hadn't wasted all those years listening to the incorrect load setting!

Ending with a sincere thank you very much!!

Lou

 

quincy

Showing 2 responses by pindac

@atmasphere  I have been pondering a experience I had recently where a SUT was brought along to a demonstration that was said to be the ideal match for the Cartridge used in the system.

Prior to the SUT being used other models were used and a Phasemation Degauss Device was used, to prepare a condition that was consistent.

When the ideal match SUT was entered into the system, I was immediately astonished at how I was perceiving the presentation as being effortless and free from constraint, in comparison to the other SUT Models.

There was an Alchemy beyond my understanding.

The description on offer from yourself, might just have made me a little more aware of what I was experiencing.

I have made the post available to my Local HiFi Group to ponder over, I'm sure there are few who will enjoy your descriptions and take from it a lesson learned. 👌     

I don't usually get too caught up in the Interface methodz being discussed in the descriptions offered.

Using the Manufacturers recommendations, has been quite successful for my own purposes.

I have a selection of Cables, as well as few SUT's and cam also have the use of Head Amp's

I will swap different configurations to see what develops in the SQ. 

I also have a Phon' with a methon to control input capacitance, input impedance and adjust gain. 

I will use this to learn if a chosen configuration is able to be improved upon.