eliash
Senior Member
Ah, didn't realise it was a sapphire cantilever you have. Behaves as Thomas_A decribed (ruby and sapphire do have almost equal mechanical properties, apart from their dimensions), slightly higher resonance around 15K instead of 13K, but stronger...Hi. I recently purchased the Jico SAS/S stylus for my Shure V15 V-MR cartridge. I am hoping to contribute some wav files so that we can have its frequency response available in order to be able to compare the sapphire stylus to the other Jico ones as well as the original Shure stylus. I made these recordings using the CBS Test Record. Left channel only. I am not able to set-up Python properly to run the scripts that spit out the FR/Distortion graphs so I am hoping someone can help me out. (@Helicopter or @JPJ perhaps?) Attached are some wav files. I am not sure if I removed RIAA correctly so I am including 2 files, one with and one without (I think, when I ran the script on Audacity nothing seemed to happen). I hope this can be helpful to everyone on this thread.
https://drive.google.com/drive/folders/1ANGG4f1hCB7KiICTPIrkxY4EACVCQXpp?usp=sharing
View attachment 124429
Here is the relevant info, assuming everything was done properly:
CBS Test Record STR-100
Clearaudio Concept Turntable
-- Satisfy Carbon Tonearm
-- 1m Tonearm Cable Length
-- 260 pF/m Capacitance
Shure V15 V-MR Cartridge
-- Jico SAS Sapphire Stylus (SAS/S)
Cambridge Audio Alva Duo
-- MM Setting: 47k Ohms Impedance | 100 pF Input Capacitance
-- 90 dB SINAD
-- Rumble Filter
-- RIAA
MiniDSP SHD
-- 106 dB SINAD ADC
AUDACITY
-- 16-bit | 44.1
-- Remove RIAA?
There seems to be a itty bitty pop around the 40 second mark. I don't know if that makes a big difference. I recorded the FR tests a few times and it remains (but I can open my second record). If I need to rerun it, let me know.
https://drive.google.com/drive/folders/1ANGG4f1hCB7KiICTPIrkxY4EACVCQXpp?usp=sharing
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