Whos got turntable performance measurements?

cuibono · 11th August 2010, 06:20 PM

I can find technical measurements for so many things - but almost none for turntables. I'm talking about frequency response, signal to noise, channel separation, nonlinear distortions graphs...

Does anyone have any good sets of data? Occasionally, I can find a little here or there, but nothing really substantial.

What are you analog guys scared of???

jason12 · 11th August 2010, 09:37 PM

Quote:

Originally Posted by cuibono

I can find technical measurements for so many things - but almost none for turntables. I'm talking about frequency response, signal to noise, channel separation, nonlinear distortions graphs...

Does anyone have any good sets of data? Occasionally, I can find a little here or there, but nothing really substantial.

What are you analog guys scared of???

I might be wrong here but I think frequency response, channel separation, etc. mostly relate to the cartridge/pre-amp and not to the turntable. All commercially sold TTs have main parameters listed (rumble, speed accuracy, etc.) in the manuals. So I am not sure what you are looking for.

Ron E · 11th August 2010, 11:29 PM

Quote:

Originally Posted by cuibono

What are you analog guys scared of???

wow, flutter, rumble, tracking angle, cartridge overhang, tracking force, antiskate, drag related speed drift, GROUNDING, gain, stylus wear, RIAA EQ, load capacitance.

But you know, all of this stuff is analog, so it is musical.

DaveThreshold · 13th August 2010, 07:02 AM

I asked the owner of Teres audio for rumble specs on his TTs. His answer was, "It's not about the specs. It's about the music." My translation is: The rumble on his machines is high, or he never tested them in the first place. Totally irresponsible if one is going to sell $10,000 TTs.

Your ears tell you how it sounds, the specs tell you what it DOES.

h_a · 13th August 2010, 08:20 AM

With the exception of a few (mostly japanese) turntables, the habit of not publishing any technical data became standard. I think the reason for this is mostly that the days of technical competition are over and the few tables that are still out there have found their niches.

If you want to get a (technically) great table, look for 2nd hand direct drives from the 80ies.

However, as these sweeties are getting in a tough age, a little experience in electronics for rejuvenation certainly helps.

Have fun, Hannes

sreten · 13th August 2010, 10:16 AM

User account | Vinyl Engine
User account | Vinyl Engine

Etc. dig you way through the posts http://www.vinylengine.com/phpBB2/viewforum.php?f=29

rgds,/sreten.

Werner · 13th August 2010, 11:25 AM

Loads of measurements here, but you'll have to register to access the site.

Miller Audio Research

indianajo · 13th August 2010, 01:23 PM

The biggest variation I bet nobody measures is base vibration rejection. Some will skate if you don't tip-toe away on a wood floor. Some will couple the bass of the speaker into the platter and bounce the needle around at normal loud listening levels. Some allow you to dance on a wood floor right in front of it and never miss a note. I have type 3 now, a BIC. My highly rated first generation AR turntable was not nearly as good at rejecting floor vibration.

cuibono · 13th August 2010, 09:06 PM

Lots of good input, thanks.

Werner, I did find some interesting info in the archives - like only 20dB channel separation! Seriously?!? I'm kind of amazed at some of it - like the FR variation, and nonlinear distortion performance in some places. If anyone wants to take a look, look at the 2008 archive, particularly articles on cartridges.

steten, your links dont work - could you post the titles of the threads, or fix the links?

Thanks everyone!

sreten · 14th August 2010, 04:29 PM

Quote:

Originally Posted by sreten

User account | Vinyl Engine
User account | Vinyl Engine

Etc. dig you way through the posts http://www.vinylengine.com/phpBB2/viewforum.php?f=29

rgds,/sreten.

http://www.vinylengine.com/phpBB2/viewtopic.php?t=29694
http://www.vinylengine.com/phpBB2/viewtopic.php?t=25622
http://www.vinylengine.com/phpBB2/viewforum.php?f=29

Should work, rgds, sreten.

you'll have to sign up to retrieve the pdf's

11th August 2010, 06:20 PM	#1
cuibono diyAudio Member Join Date: May 2006 Location: City of Angles	Whos got turntable performance measurements? I can find technical measurements for so many things - but almost none for turntables. I'm talking about frequency response, signal to noise, channel separation, nonlinear distortions graphs... Does anyone have any good sets of data? Occasionally, I can find a little here or there, but nothing really substantial. What are you analog guys scared of??? __________________ double complete rainbow all the way!!

13th August 2010, 07:02 AM	#4
DaveThreshold diyAudio Member Join Date: May 2006	I asked the owner of Teres audio for rumble specs on his TTs. His answer was, "It's not about the specs. It's about the music." My translation is: The rumble on his machines is high, or he never tested them in the first place. Totally irresponsible if one is going to sell $10,000 TTs. Your ears tell you how it sounds, the specs tell you what it DOES. __________________ People in audio whom I admire.... Henry Kloss, Edgar Villchur, John Dahlquist, Bowers and Wilkins, Theil and Small, Don Keele, our own Nelson Pass. In short VISIONARIES.

13th August 2010, 11:25 AM	#7
Werner diyAudio Member Join Date: Jan 2002 Location: Belgium	Loads of measurements here, but you'll have to register to access the site. Miller Audio Research __________________ bring back dynamic range

13th August 2010, 01:23 PM	#8
indianajo diyAudio Member Join Date: Jan 2010 Location: Jeffersonville, Indiana USA	The biggest variation I bet nobody measures is base vibration rejection. Some will skate if you don't tip-toe away on a wood floor. Some will couple the bass of the speaker into the platter and bounce the needle around at normal loud listening levels. Some allow you to dance on a wood floor right in front of it and never miss a note. I have type 3 now, a BIC. My highly rated first generation AR turntable was not nearly as good at rejecting floor vibration. __________________ Dynakit ST70, ST120, PAS2,Hammond H182(2 ea),H112,A100,10-82TC,Peavey CS800S,SP2-XT's, T-300 HF Projs, Steinway console, Herald RA88a mixer, Wurlitzer 4500

13th August 2010, 09:06 PM	#9
cuibono diyAudio Member Join Date: May 2006 Location: City of Angles	Lots of good input, thanks. Werner, I did find some interesting info in the archives - like only 20dB channel separation! Seriously?!? I'm kind of amazed at some of it - like the FR variation, and nonlinear distortion performance in some places. If anyone wants to take a look, look at the 2008 archive, particularly articles on cartridges. steten, your links dont work - could you post the titles of the threads, or fix the links? Thanks everyone! __________________ double complete rainbow all the way!!


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13th August 2010, 08:20 AM	#5
h_a diyAudio Member Join Date: Sep 2006 Location: Graz, Austria	With the exception of a few (mostly japanese) turntables, the habit of not publishing any technical data became standard. I think the reason for this is mostly that the days of technical competition are over and the few tables that are still out there have found their niches. If you want to get a (technically) great table, look for 2nd hand direct drives from the 80ies. However, as these sweeties are getting in a tough age, a little experience in electronics for rejuvenation certainly helps. Have fun, Hannes

13th August 2010, 10:16 AM	#6
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	User account \| Vinyl Engine User account \| Vinyl Engine Etc. dig you way through the posts http://www.vinylengine.com/phpBB2/viewforum.php?f=29 rgds,/sreten.

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