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Samples from USB Turntables: Audio-Technica AT-LP2D-USB
Knowzy
post Feb 18 2009, 08:22
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Turntable Details
Audio-Technica AT-LP2D-USB
Street Price: $100 (US)
AT3600L Moving Magnet Cartridge
Belt Drive
Fully Automatic
Wow and Flutter: <0.25% (WRMS)
S/N: 50dB unweighted
Platter: Aluminum
Tracking force: 4.54g (Measured personally)
More in turntable guide


Photos











The Sample Clips
For background on the clips, see the "Preparation" thread.

All samples are FLAC and under 30 seconds.
Music
  • CD LP Peg, Steely Dan, Aja
  • CD LP On the Run, Pink Floyd, Dark Side of the Moon
  • CD LP Dare, Gorillaz, Demon Days
  • CD LP Dum Diddly, The Black Eyed Peas, Monkey Business
  • CD LP Rhiannon, Fleetwood Mac, Self-titled Album (Dusty, scratched and skipping album)

Test Tracks


I eagerly await your opinions and analysis on the samples.


This post has been edited by Knowzy: Apr 23 2009, 22:09
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Knowzy
post Feb 18 2009, 19:28
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QUOTE (donnie @ Feb 18 2009, 01:32) *
The 1 kHz test sample and Dum Diddly (LP) don't work for me

QUOTE (Axon @ Feb 18 2009, 07:34) *
Also the links for the Gorillaz and Black Eyed Peas samples are all kinds of messed up.

I apologize for not double checking the links. It was approaching midnight as I was wrapping up the post. They are fixed now so listen away!


QUOTE (Axon @ Feb 18 2009, 07:34) *
Off the cuff, the bass boost is pretty shocking, to the point that I'm not exactly sure if it could even be caused by a tonearm resonance problem - it might be a mastering change on the LP. It's around 30db@50hz ish.

That was my impression too just by listening to the Gorillaz LP sample vs. the CD. These should be the same masters since the album was put out in 2005.

I will PM you the link to the full Steely Dan song since I know you own both the CD and LP.


QUOTE (Axon @ Feb 18 2009, 07:47) *
Hey: I looked at one of your close-up pics and that reminded me. While you're at it, could you also be sure to clean the stylus with a Magic Eraser before each play, if you can?

Yes, I noticed that piece of debris when looking at the close-up of the cartridge. It's not there anymore. I will take your suggestion and pick up a ME marker and apply it before each play.


QUOTE (krabapple @ Feb 18 2009, 09:29) *
...amazing how much gunk it could pick up from just one play, depending on the disc.

These are all new LPs, so there should be minimal gunk.

That reminds me, though, I still have one more music sample- a dusty, scratched Fleetwood Mac LP. I won't touch the stylus to this record until I finish the test LP tracks.


QUOTE (krabapple @ Feb 18 2009, 09:29) *
I only listened to the Steely Dan clips so far, and it made me not miss vinyl. ;> (To be fair, I think the LP version might sound better with some level-matching to the CD version )

The original plan was to keep match the levels as best as possible. Then I discovered that the USB turntables I'm testing don't allow me to set the levels!

I could normalize after the fact but I don't want to give the impression that the samples have been tampered with.
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krabapple
post Feb 19 2009, 16:59
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QUOTE (Knowzy @ Feb 18 2009, 13:28) *
That was my impression too just by listening to the Gorillaz LP sample vs. the CD. These should be the same masters since the album was put out in 2005.


It's not unusual for LP versions to be mastered differently than CD versions. Even if the same master tape was fed into the cutting process, EQ can be applied during cutting (and then if that EQ'd feed is saved, that become the 'LP production master' for subsequent cuttings). Or two masters may be made from the mixdown master -- one for modern CD (e.g. highly dynamically compressed) and one for LP.


QUOTE
These are all new LPs, so there should be minimal gunk
.

Vinylphiles IME commonly recommend a thorough vaccuum/clean of even brand-new LPs. Maybe it's just one of their rituals, but isn't there supposed to be some kind of 'releasing agent' on new LPs (artifact of the stamping process)?

QUOTE
QUOTE (krabapple @ Feb 18 2009, 09:29) *
I only listened to the Steely Dan clips so far, and it made me not miss vinyl. ;> (To be fair, I think the LP version might sound better with some level-matching to the CD version )

The original plan was to keep match the levels as best as possible. Then I discovered that the USB turntables I'm testing don't allow me to set the levels!

I could normalize after the fact but I don't want to give the impression that the samples have been tampered with.



That's OK, if I want to I can apply replaygain at the playback end, without altering the actual data.

This post has been edited by krabapple: Feb 19 2009, 17:00
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Posts in this topic
- Knowzy   Samples from USB Turntables: Audio-Technica AT-LP2D-USB   Feb 18 2009, 08:22
- - donnie   The 1 kHz test sample and Dum Diddly (LP) don...   Feb 18 2009, 10:32
- - Axon   Also the links for the Gorillaz and Black Eyed Pea...   Feb 18 2009, 16:34
- - Axon   Hey: I looked at one of your close-up pics and tha...   Feb 18 2009, 16:47
|- - krabapple   QUOTE (Axon @ Feb 18 2009, 10:47) Hey: I ...   Feb 18 2009, 18:29
|- - tiptoe   QUOTE (Axon @ Feb 18 2009, 11:47) Hey: I ...   May 15 2009, 16:54
- - Axon   Bad news, krab... they're already level-matche...   Feb 18 2009, 19:12
|- - krabapple   QUOTE (Axon @ Feb 18 2009, 13:12) Bad new...   Feb 19 2009, 16:49
|- - Axon   QUOTE (krabapple @ Feb 19 2009, 09:49) ED...   Feb 19 2009, 20:37
- - Knowzy   QUOTE (donnie @ Feb 18 2009, 01:32) The 1...   Feb 18 2009, 19:28
|- - krabapple   QUOTE (Knowzy @ Feb 18 2009, 13:28) That ...   Feb 19 2009, 16:59
|- - Axon   QUOTE (krabapple @ Feb 19 2009, 09:59) QU...   Feb 19 2009, 17:54
- - Axon   I only own Aja on LP, not CD. On The Run is a bett...   Feb 18 2009, 19:34
- - Axon   New pics up for Pink Floyd and Steely Dan samples,...   Feb 19 2009, 17:49
- - Axon   I'd also like to point out that even though an...   Feb 19 2009, 20:36
- - Knowzy   QUOTE (Axon @ Feb 18 2009, 10:34) Magic E...   Feb 20 2009, 05:27
|- - Axon   QUOTE (Knowzy @ Feb 19 2009, 22:27) I did...   Feb 20 2009, 05:53
- - Knowzy   QUOTE (Axon @ Feb 19 2009, 20:53) QUOTE (...   Feb 20 2009, 06:28
- - Axon   Don't deal with the server - put up a tracker ...   Feb 20 2009, 08:36
- - Knowzy   The Ultimate Test LP FLACs are up. See the origina...   Feb 20 2009, 21:34
- - Axon   Yeah that was a sucky mastering decision with HFNR...   Feb 20 2009, 21:57
- - Knowzy   I ran the Wow & Flutter test tone through Spec...   Feb 21 2009, 02:14
- - Axon   Those are pretty, but they're not remotely res...   Feb 21 2009, 23:58
- - Knowzy   The Hi-Fi News FLACs are up. QUOTE (Axon @ F...   Feb 22 2009, 04:30
- - Knowzy   The last sample is up: Fleetwood Mac's Rhianno...   Feb 23 2009, 00:34
- - Knowzy   I told you the LP was dusty... After Playing E...   Feb 23 2009, 01:06
- - Axon   Fun times. I told you to get a carbon brush That...   Feb 23 2009, 01:10
- - Knowzy   QUOTE (Axon @ Feb 22 2009, 16:10) That...   Feb 23 2009, 07:29
- - Axon   Just a status update - I got most of the demodulat...   Feb 26 2009, 01:22
|- - Arnold B. Krueger   QUOTE (Axon @ Feb 25 2009, 19:22) Just a ...   Feb 26 2009, 14:18
- - Axon   Thanks for the cheerleading. Demodulating AM is tr...   Feb 26 2009, 21:29
|- - Knowzy   QUOTE (Axon @ Feb 26 2009, 12:29) Thanks ...   Feb 27 2009, 06:54
|- - Arnold B. Krueger   QUOTE (Axon @ Feb 26 2009, 15:29) Thanks ...   Feb 27 2009, 14:15
- - Axon   Post is up: http://www.hydrogenaudio.org/forums/i...   Feb 28 2009, 14:29
- - Knowzy   Strange- I didn't get a reply notification whe...   Jun 9 2009, 23:07


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