Regards, Nandric: Nikola, apparently Henry holds you in such high esteem he wishes to spare you the frustration of finding the "E" and "Ea" styli are of different geometries.
If I remember correctly, the TK1Ea and TK3Ea were of lower inductance, 490 ohm. This may indicate, perhaps, a cantilever resonance with the .3 x .7 TKN3Ea stylus that the lower inductance moves out of the audible range. Boron, beryllium or "ruby" cantilevers also have this influence on audible resonance. The TK9/10 at 550 ohm, the TK7Ea/LCa at 580 ohm. Excepting the TK10ML, the TK7LCA provides the best specs in channel balance and separation, exceeding even that of our TK9LC. 33 dB separation/0.5dB balance as compared to 30dB/.75. For the TK10 ML, separation at 35dB, bal. within 0.5dB.
Apologies to Dgob for the previous thread drift but it might be observed that the TK1E (no "a") and the TK1Ea are both extremely "plasticy" carts. Plastic contributes to resonance and these carts may do best on a low mass arm where diminished rigidity permits the line transference of that resonance into the arm.
The TK3/5E & TK7E/SU, Signet states, were "listener tuned" to what we must remember were audio sensitivities which might be referred to as a "70's sound", more organic in their voicing. The relatively large cavities surrounding both the cart's generator and stylus grip have to be considered as, to some degree, contributing influences in the voicing of these examples.
Moving the discussion closer to previous topics, for the Acutex carts the Saturn V graphite integrated headshell is adjustable for both overhang and azimuth. Lacking Raul's immediate grasp of the subtle, I've not listened to it enough to be able to say more than it does make a difference in reducing the "microphony" of the Acutex carts.
Nikola, the Ortofon LH-8000 Japanese oak headshell dampens the intentionally(?) resonant qualities of the TK7E/SU without diminishing it's other attractive qualities. Henry has recently mentioned this headshell. As evidence of your great friendship, perhaps you might have more success in anticipating he'll send you the headshell (which you should appreciate in conjunction with your TK7E) rather than a stylus which for your application is incorrect?
Now, out of respect for Dgob shall we return to the discussion of, um, was it broccoli & pate?
Peace,