Hear my Cartridges....🎶

Yes, a vote for same arm/same cartridge comparisons.

Haha......I agree that sounds like it would be ideal 🤗
But it ain't going to happen...👎
You know I have 6 arms (5 different ones) on two (different) turntables.
So 5 different cartridge geometries with various headshell materials from metal, wood, carbon-fibre.....
There is then the issue of cartridge to arm matching.....
The Copperhead is the best 'Universal' arm IMO being immaculate with every cartridge....MM, MI, or MC high/low compliance..the 'best'.
But it has no removable headshell and is a total 'beast' to set-up correctly.
The three Fidelity Research arms (FR-64S and FR-66S) are virtually as 'Universal' whilst having removable headshells and being easy to set-up.
The DV-507/II is brilliant for all my high-compliance MMs but is not as great with the MCs.
And it is NOT particularly 'happy' with the LDR (you both know this problem)....mis-tracking at the same point on all records 👹
The SAEC WE-8000/ST is happiest with the LOMCs and does less justice to the MMs.....
All my arms have been selected to have near-identical performances with the cartridges that suit them the best. You have to trust me on this one....🤥
I have tried the LDR on ALL my arms and head and shoulders....it sounds its best on the FR-66S.
The variables are significant I admit......with two very different turntables and five very different arms with cartridges matched to different headshells (and different leads).....the permutations and combinations are outrageous.....
But it is what it is 👐
How about I play the same recording with the LDR on the FR-66S and the Signet TK-7LCa on the same arm and turntable? The Signet TK-7SU is identical to the 7LCa except for the Shibata stylus...

PS I couldn't agree with you more Frogman.....Deccas never let me down whilst Mercurys and even RCAs often frustrate.

I also play 'requests'.....

LONDON DECCA REFERENCE MI CARTRIDGE
Mounted in Vintage FR-66S Tonearm on TWAcustic AC-2 Belt-Drive Turntable
Listen for the cicadas chirping in the garden. An Australian summer indicator...😘

SIGNET TK-7LCa VINTAGE MM CARTRIDGE
Mounted in Vintage FR-66S Tonearm on TWAcustic AC-2 Belt-Drive Turntable
Listen for something MORE frightening.....
The 'ruler of the house' saying "enough is enough"....turn it off!!!
I transcended my 'Loud Listening Timeframe'...🥺

^^ Exactly. This means you have so many cart/headshell/arm/deck combinations that is not easy to tell which combination suits best a certain cart, so actually there are several possibilities to choose. Halcro knows his system´s options and has carefully chosen the arms/decks for these evaluations and of course we totally trust him.
Furthermore, as for our home listening situations, probably ALL of us have DIFFERENT combinations of TTs. Not to mention phono preamps, amps and speakers, and cables and our environment. Everything is relative, in the end. So the best cartridge(s) are the best for the listener alone at his/her home, of course two persons may have the same opinion of a certain cart but that´s another thing. This is off-topic of course but true.

Anyway, his tests show the importance of the mighty Decca Reference, but the appropriate arm(s) needs to be chosen carefully. I know one arm that makes the Reference (and the Jubilee) sing but the cart is darn expensive I simply can´t afford it now, hopefully in the future. It has one disadvantage... unfortunately it´s a dust magnet in my system: /

And as for Decca recordings, the original UK pressings never let you down.

Thanks for the latest Decca Reference option, we much appreciate your enthusiasm : )

Absolutely appreciate your enthusiasm. Thank you for indulging me to the extent that you could. I totally understand your explanation and I certainly trust your reasoning behind the chosen cart/arm combinations. It is a treat to be able to hear this very impressive collection of cartridges on such superb equipment; even with the limitations of the methodology.

Hearing the Signet and Decca on the same arm and table is fascinating and confirms much of what I have been hearing so far from and about each of the two cartridges. Both are clearly terrific cartridges. However, since the goal here is to describe the differences, to my ears and preferences the difference between the two can be summarized very succinctly. Decca: more of the music.

From the very first chord of the piece one of the main differences is heard. Consistent with the thickness in the lower mids/upper bass that I have noted in previous comparisons involving the Signet, the basses and celli are pushed forward a bit and “crowd” the violas and violins playing an octave higher; not to mention the bassoons and horns which also play. The balance between the four different sections of string instruments (violins, violas, celli, basses) is better allowing the character of each to be heard more clearly without the cello and basses dominating. The question becomes: is this because the lower mid/upper bass is a little more prominent with the Signet or because the Decca is more realistically brilliant in the highs allowing the character of the violins to balance out the blend even when playing in their lower range? I think it is a little of both. The sound is more realistically linear with the Decca and a little bit tubby with the Signet. In a way the effect is analagous 😉, but in reverse (?) to the effect that users of good subwoofers experience. Even when there is no obvious bass content in the music, good and well integrated subwoofers give midrange and hf sounds more body and weight. The Decca’s linearity through the highs gives mid and low frequency sounds more clarity...those pesky harmonics. It also gives trumpets more realistic brilliance without the slightly pinched quality they have with the Signet and trombones more realistic raspiness. With the Decca they have both brilliance and body. Then there is the issue of dynamics (the music):

Both do a very good job with dynamics, but with the Signet one gets the feeling that when the music turns less exuberant and is quieter and slower that the conductor loses some focus. This is obviously not the case as it is not heard this way with the Decca. I hear better clarity of musical intent with the Decca. The musical intensity is better sustained when there is less sheer volume.

This composition has several instances when a short musical motif is “handed off” from one instrument (or section of instruments) to another. Two examples: @1:15 (basses to cellos to violins to violas) and @3:14 (violas, to 1rst violins, to 2nd violins, to clarinets). With the Signet these four note motifs sound a little discreet. With the Decca one hears a little more of the intent of each player (or section) to connect and hand it off to the next player without losing as much musical “steam” in the process in order to create a longer musical line, the sum of the individual motifs. 

Don’t mean to sound like a broken record 😉, but the Decca does it for me.

Btw, adorable young audience member’s voice heard. I suspect she was agreeing that the Decca is king 😊?

Very well then, Frogman. That darn cart costs a minor fortune but it´s worth all the trouble, as reviewed by so many over the years. But when will this money-wasting hobby end ... I should have not started to read this thread at all ; )