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Vinyl Asylum: Perhaps not all DL-103's are the same.... by John Elison Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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Vinyl Asylum: Perhaps not all DL-103's are the same.... by John Elison Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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In Reply to: I hope people with a Denon DL103 will try a heavier arm. posted by tubesforever on March 9, 2008 at 12:13:31:
My DL-103R would have too low a resonance frequency if I used a massive tonearm. Here are the actual resonance test results from my DL-103R mounted in a SME V. The cartridge mass with mounting bolts is 10.23-grams and the tonearm effective mass is approximately 10.5-grams for a total effective mass of about 20.73-grams.
These tests were conducted using Tracks 8a and 8b on Side One of the Cardas Test record while allowing it slow to a stop. I've conducted a number of these tests and they are accurate and repeatable.
My particular cartridge has different compliance in the left-channel direction compared to the right-channel direction. Based on its resonance frequencies, my DL-103R exhibits 15-mm/N in the left channel and about 9.3-mm/N in the right channel. This is not necessarily unusual, but I think it might be somewhat undesirable.
Of the two other cartridge that I measured using this method, my AT-OC9ML/II had similar compliance in both channels, but an inmates AT33PTG had different compliance in both channels similar to my DL-103R.
Anyway, my particular DL-103R sounds wonderful and performs optimally in a medium mass tonearm.
Best regards,
John Elison
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Topic - Tonearm mass - PanzerVI 16:06:47 03/8/08 ( 20)
- Mathematically, - Story 05:29:42 03/9/08 ( 14)
- Guys - Story 14:58:07 03/9/08 ( 0)
- I hope people with a Denon DL103 will try a heavier arm. - tubesforever 12:13:31 03/9/08 ( 11)
- Perhaps not all DL-103's are the same.... - John Elison 03/9/08 17:41:46 03/9/08 ( 6)
- Perhaps it is not the primary resonant frequency, but secondary resonances that are dealt with more..... - viridian 19:37:19 03/9/08 ( 5)
- RE: Perhaps it is not the primary resonant frequency, but secondary resonances that are dealt with more..... - John Elison 20:25:05 03/9/08 ( 4)
- John what do you think the numbers would be with a .... - tubesforever 22:57:01 03/9/08 ( 3)
- you will not get them to use it in a high mass situation. - OMalley 11:06:52 03/10/08 ( 0)
- RE: John what do you think the numbers would be with a .... - John Elison 08:08:39 03/10/08 ( 1)
- I agree about the Denon compliance values... - tubesforever 13:06:56 03/10/08 ( 0)
AMEN my friend!!!! - amandarae 16:04:17 03/9/08 ( 1)
- I think it is a matter of actually trying it yourself.... - tubesforever 23:00:41 03/9/08 ( 0)
My experience exactly....... - viridian 13:03:55 03/9/08 ( 1)
- Think about it from the engineers perspective. - tubesforever 23:06:37 03/9/08 ( 0)
"Mathematically", means nothing - OMalley 10:44:10 03/9/08 ( 0)
the 103 works best when adding mass to the tonearm - OMalley 20:33:20 03/8/08 ( 0)
RE: Tonearm mass - John Elison 17:46:49 03/8/08 ( 3)
- Agree. - olddude55 17:54:16 03/8/08 ( 2)
- RE: Agree. - majick47 10:30:42 03/9/08 ( 1)
- The Sumiko gives you azimuth adjustment. - olddude55 10:37:59 03/9/08 ( 0)
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