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Tracking Force Suggestions for Stanton 500.v3 Cartridge?, DJ cart with range of 2 - 5 grams. Using for hi-fi play
Tracking Force for Stanton 500.v3 (2 - 5g Range)
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Knowzy
post Jul 8 2010, 07:07
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Supposing I've got a brand new Stanton T.92 USB turntable and I'm getting ready to produce some samples.

It comes with a pre-mounted (and presumably pre-aligned) Stanton 500.v3 cartridge. As a DJ cartridge, it has a wide range- 2 to 5 grams- and no specific recommendation within.

The tonearm is balanced and the counterweight dial zeroed. What tracking force do you think I should set?

Normally the consensus is to set the tracking force near the top of the range and I'm inclined to use 4.5 grams.

However, as a DJ cartridge, the top of the range is designed to ensure stability amidst violent scratching motions, which I won't be doing. Maybe 4.5 is overkill for trackability.

So, I'm throwing the question open to HA to see if we can't come to an agreement before I began sampling.




Balanced and Awaiting a Tracking Force Figure


This post has been edited by Knowzy: Jul 8 2010, 07:09
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Knowzy
post Jul 12 2010, 01:09
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Using the +15dB track, I tested down to 2.25g and didn't encounter mistracking at all.

The 18dB "Torture track" wouldn't play even at 5g but the 16dB played fine at 3 and 4g.


VTF Affects Volume in Right Channel
I did notice something that makes me uneasy, though.

The left channel was consistently about .5 in the waveform view of Audacity. The right channel got lower and lower as I reduced force.

At 4g, the right channel was at .44. At 2.25g, it was at .37.

Any ideas on why this is happening?



VTF Samples
Here are select samples from my tests. If you're interested, you can download all 14 in one 32MB zip file.

HFN002 Tracking ability 2 track, 300Hz tone @ 15dB (Side B, track 4)



Bad Copy of HFN002?
Also, I think I found a defect in my new copy of HFN002.

The left channel was a nearly perfect sine wave. The right channel had trouble forming the top peaks of the wave. This was true at any tracking force.

I tried the same track out on my original copy of HFN002- both channels had nice looking sine waves.


Defective HFN002? (Click to Zoom In)

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botface
post Jul 12 2010, 09:57
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I can hear mistracking in the right channel of the 4gram sample and both channels of 2.5 gram sample. It could well be that the right channel has been damaged by the mistracking and hence the difference in the waveform. It could also be why right channel output is lower.

I'd suggest you double-check that the cartridge is central in the headshell and then double-check the bias setting as either of these could be causing the right channel mistracking.

Edit : An afterthought. Maybe the test record was already damaged before you ran these tests. In which case you'll never get a proper result. Although if it was new that seems unlikely. Can you try again with one of the other tracks?

This post has been edited by botface: Jul 12 2010, 10:09
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Knowzy
post Jul 12 2010, 22:47
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QUOTE (botface @ Jul 12 2010, 01:57) *
I can hear mistracking in the right channel of the 4gram sample and both channels of 2.5 gram sample.

If you can hear mistracking then clearly I don't know how to identify the phenomena.

Axon defined mistracking as "the record leaving contact with one of the groove walls." If this were happening, I would expect to see this distinctly in the waveform. I don't.

I scrolled through the waveforms in their entirety at the zoom level shown below. The sine wave is unbroken the entire time. There are no gaps and no malformed sine waves*.

Is this an unreliable technique for identifying mistracking?


2.25g Sample. It Looks Like This Throughout



QUOTE (botface @ Jul 12 2010, 01:57) *
Maybe the test record was already damaged before you ran these tests. In which case you'll never get a proper result.

* I do believe this copy of HFN002 is defective on the right channel of this track. You can see the right channel has the rough edges at the top of the wave.

I tried the same track on my original copy of HFN002 at 4g (listen). The right channel is well rounded.

Maybe this is a good time to test out Acoustic Sound's return policy.


Same Track as Above on Older Copy of HFN002 @ 4g

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Posts in this topic
- Knowzy   Tracking Force Suggestions for Stanton 500.v3 Cartridge?   Jul 8 2010, 07:07
- - Axon   Would it be too snarky of an answer to say that th...   Jul 8 2010, 21:50
|- - Knowzy   Before I say too much more, I should disclose that...   Jul 8 2010, 22:28
- - Knowzy   I posed this question to Stanton's tech suppor...   Jul 9 2010, 00:04
|- - Canar   QUOTE (Knowzy @ Jul 8 2010, 18:04) The cu...   Jul 9 2010, 00:50
- - RonaldDumsfeld   The real answer is to experiment and find out for ...   Jul 9 2010, 04:07
- - botface   Don't you have a test record? If not I'd s...   Jul 9 2010, 09:01
|- - Arnold B. Krueger   QUOTE (botface @ Jul 9 2010, 04:01) Don...   Jul 9 2010, 11:41
|- - Knowzy   QUOTE (Arnold B. Krueger @ Jul 9 2010, 03...   Jul 9 2010, 18:26
|- - botface   Aren't those tracks for setting bias? I have H...   Jul 9 2010, 19:09
|- - Knowzy   QUOTE (botface @ Jul 9 2010, 11:09) Aren...   Jul 10 2010, 07:07
- - Knowzy   Using the +15dB track, I tested down to 2.25g and ...   Jul 12 2010, 01:09
|- - botface   I can hear mistracking in the right channel of the...   Jul 12 2010, 09:57
|- - Knowzy   QUOTE (botface @ Jul 12 2010, 01:57) I ca...   Jul 12 2010, 22:47
|- - 2Bdecided   QUOTE (Knowzy @ Jul 12 2010, 22:47) Axon ...   Jul 13 2010, 14:04
- - 2Bdecided   Yes, it's important to remember that once the ...   Jul 12 2010, 13:07
- - botface   QUOTE If you can hear mistracking then clearly I d...   Jul 13 2010, 09:00
- - Knowzy   QUOTE (botface @ Jul 13 2010, 01:00) If y...   Jul 13 2010, 18:11
- - Knowzy   The Short Version I found my tracking force: 4 gra...   Jul 14 2010, 06:20
|- - cliveb   QUOTE (Knowzy @ Jul 14 2010, 06:20) Then ...   Jul 14 2010, 11:02
|- - Knowzy   QUOTE (cliveb @ Jul 14 2010, 03:02) envir...   Jul 15 2010, 16:16
- - Knowzy   I'm now using 5 grams of tracking force (the t...   Jul 26 2010, 22:48
- - botface   What you're describing can often be the result...   Jul 27 2010, 09:34
|- - Knowzy   QUOTE (botface @ Jul 27 2010, 01:34) What...   Jul 27 2010, 16:45
|- - Snackcakes   I have the same table. this is some great info.   Sep 20 2011, 18:46
- - Glenn Gundlach   When I worked in stereo stores, I recommended usin...   Sep 20 2011, 23:08
- - Defkon 1   sorry Im very new to this forum and I can't se...   Dec 14 2013, 05:26


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