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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Who know anything about this needle?I am playing now this CG-25 - my new Ortofon replacement. This new cartridge is turn out to be “MONO CG 25 Di”. It looks and feel completely different and this CG-25 is what I called the TRUE mono cartridge. I...
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I use my SPU Mono in 282 Micro’s arm with AU wand that was specifically made for the SPU cartridges. I run it 3g, not-oil-damped into SU2,so, the SPU sees ~60Ohn. I tend a slightly overload the typical MC cartridges and run them at 60R-75R of thier “...
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[quote user="guy sergeant"]On the Ortofon website those models of the SPU which don't come with inbuilt transformers, have a recommended load of >100 ohm. Using the cartridge into too low an impedance load definitely does lift the lower frequencie...
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I juts got home, put a record to play and suddenly discovered that my SPU has it’s cantilever bent 90 degree and then even twisted vertically. It was perfectly fine last night!!! I have no idea what kind forced what applied to it and particularly how...
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Well, maybe a little cussing first to set the tone. The older SPU's are now well sought after, many will end up in collections at now over inflated prices probably in the Far-East where they are worshipped. I've heard a few older SPU's and even those...
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OK, I will try the SPU mono. I have some questions: It comes in a headshell with SME bayonet. I really do not need it. Can I remove the cartridge and mount it on a normal “tow-holes from top” tonearm? If it is removable then what be the mass of the ...
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[quote user="Brian Clark"]What you have there Romy is essentially the cartridge Ortofon introduced in 1948, the first production moving coil cartridge. The motor is the same, just the "suspension" material changed from india rubber to a modern elasto...
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http://www.goodsoundclub.com/PDF/Ortofon_SPU.pdf...
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Per Winfeld confirmed to me that the coil former assembly is rotated 45% compared to the regular SPU such that only lateral motion is sensed. Unfortunately I did not think to ask him how the coil/coils was/were wound. Since the quoted DCR is signific...
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Thanks, starboy.
It is educational. Your Mantis might be an interesting cartridge and it is too bad that there is no way getting any frame of its performance besides buying it. Among the people I know, in whose listening rooms I was and why were and...
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[quote user="Romy the Cat"]
I juts got home, put a record to play and suddenly discovered that my SPU has it’s cantilever bent 90 degree and then even twisted vertically. It was perfectly fine last night!!! I have no idea what kind forced what appl...
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[quote user="Brian Clark"]I will be VERY interested in your more thorough evaluation. I hummed and hawed between the CG 25Dia and the SPU Mono before springing for the latter, expected next week. My speakers could do with a bit of upper bass help.[/q...
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Do any of you, the SPU Mono users, know how the SPU MONO coils wired internally? Is it a stereo cartridge strapped mono or it is a single coil cartridge with two channels running in parallel from the same coil? Is anyhow even seen any...
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Starboy,
looking at your reply in the Denon-103 thread, and considering that you are from UK, I conclude that you are well-familiar with Ortofones. Can you tell me more about them?
I never had them personally, I had in past a inexpensive Ortofone ...
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[quote user="Romy the Cat"]How much is what your appreciate in the SPU sound derives from the SPU’s high output.[/quote]
I think you must be referring to the T version with built-in step-up Romy. Current production SPUs have a quoted sensitivity ...
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I have been running my new Ortofon SPU Mono cartridge and can’t figure out why SPU has such a strong positive reputation and why some SPU users when I ask them about Sound of those cartridge they roll up their eyes. Yes, it is all around fine cartrid...
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[quote user="Romy the Cat"] When you used your 25Dia then can you recall a similar experience at the beginning of the cartridge live (sharpness and bass)? [/quote]
I have yet to own a CG25 Romy, my very first Ortofon - SPU Mono - is on its way fro...
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I have been running my new Ortofon SPU Mono cartridge and can’t figure out why SPU has such a strong positive reputation and why some SPU users when I ask them about Sound of those cartridge they roll up their eyes. Yes, it is all around fine cartrid...
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[quote user="Brian Clark"]Per Winfeld confirmed to me that the coil former assembly is rotated 45% compared to the regular SPU such that only lateral motion is sensed. Unfortunately I did not think to ask him how the coil/coils was/were wound. Since ...
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[quote user="guy sergeant"]On the Ortofon website those models of the SPU which don't come with inbuilt transformers, have a recommended load of >100 ohm. Using the cartridge into too low an impedance load definitely does lift the lower frequencie...
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Do any of you, the SPU Mono users, know how the SPU MONO coils wired internally? Is it a stereo cartridge strapped mono or it is a single coil cartridge with two channels running in parallel from the same coil? Is anyhow even seen any...
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[quote user="Brian Clark"]I will be VERY interested in your more thorough evaluation. I hummed and hawed between the CG 25Dia and the SPU Mono before springing for the latter, expected next week. My speakers could do with a bit of upper bass help.[/q...
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Where those EdgarHorn Titans with the Edgar’s woofers? I ask because I am very concerned about the LF response. The Shelter 901 has phenomenal bass in my view, even now. In fact all my system/room in a way “calibrated” from the bass that Shelte...
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Per Winfeld confirmed to me that the coil former assembly is rotated 45% compared to the regular SPU such that only lateral motion is sensed. Unfortunately I did not think to ask him how the coil/coils was/were wound. Since the quoted DCR is signific...
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I mounted the new Jubilee last night. I did not have much time to listen it and all that I heard was just a half side of a record that I know well. The Jubilee was at 2.3g, no enforced VTA, loaded to 75R, the 3012 arm with default shell: I have no id...
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OK, I will try the SPU mono. I have some questions: It comes in a headshell with SME bayonet. I really do not need it. Can I remove the cartridge and mount it on a normal “tow-holes from top” tonearm? If it is removable then what be the mass of the ...
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It has nothing on it besides “Ortofon Mono”. Perhaps if I remove it form the standard Ortofon whale-shape shell then I will be able to identify it. The manual that comes with it said: “SPU cartridges” and has the specification for the entire line up....
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[quote user="Brian Clark"]What you have there Romy is essentially the cartridge Ortofon introduced in 1948, the first production moving coil cartridge. The motor is the same, just the "suspension" material changed from india rubber to a modern elasto...
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The regular visitors of my site know about my recent frustrations with my new Ortofon SPU cartridge for my “mono tonearm”: Is it all that Ortofon SPU can do? Today I made some alternations that more or less cured the audio problem and I decided ...
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Interesting, How much is what your appreciate in the SPU sound derives from the SPU’s high output. When we load out typical 60-65++ dB gain phonostages with high output 2-3mV cartridges then Sound is way more interesting. I would not speculate if th...
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