Vinyl electron microscopy

jimbo1421
jimbo1421 Posts: 772
edited March 2010 in 2 Channel Audio
Are these LPs clean enough? Here are some very cool pics of vinyl grooves.

Jim
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Post edited by jimbo1421 on
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  • skrol
    skrol Posts: 3,378
    edited March 2010
    Man they are microscopic:). I can't even see them.
    Stan

    Main 2ch:
    Polk LSi15 (DB840 upgrade), Parasound: P/LD-1100, HCA-1000A; Denon: DVD-2910, DRM-800A; Benchmark DAC1, Monster HTS3600-MKII, Grado SR-225i; Technics SL-J2, Parasound PPH-100.

    HT:
    Marantz SR7010, Polk: RTA11TL (RDO198-1, XO and Damping Upgrades), S4, CS250, PSW110 , Marantz UD5005, Pioneer PL-530, Panasonic TC-P42S60

    Other stuff:
    Denon: DRA-835R, AVR-888, DCD-660, DRM-700A, DRR-780; Polk: S8, Monitor 5A, 5B, TSi100, RM7, PSW10 (DXi104 upgrade); Pioneer: CT-6R; Onkyo CP-1046F; Ortofon OM5E, Marantz: PM5004, CD5004, CDR-615; Parasound C/PT-600, HCA-800ii, Sony CDP-650ESD, Technics SA 5070, B&W DM601
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  • jimbo1421
    jimbo1421 Posts: 772
    edited March 2010
    Forgot the link:

    http://reckon.posterous.com/vinyl-record-grooves-under-electron-microscop
    5.1 System:
    TCL R613 55" 4K
    Front: SRS-3.1TL
    Center: CS400i
    Surround: Monitor 10B
    PSW10 subwoofer
    Onkyo PR-SC886P Pre/Pro
    NAD T955 5 channel power amplifier
    Technics SL-1710 MK2 turntable
    Audio-Technica AT14Sa cartridge
    Parasound P3 pre-amp
    Oppo BDP-103 Blu-Ray
    2014 MacBook Pro 2.8 GHz

    2.0 Office System:
    Monitor 10A (Peerless)
    Outlaw 1050 receiver
    Parasound HCA-1000A power amp
    MacPro
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  • skrol
    skrol Posts: 3,378
    edited March 2010
    That is cool. I used to work with Scanning Electron Microscopes (SEM) when I worked in NASA's parts analysis. There is a fascinating world beyond what the eye can resolve.

    We should all have a SEM to verify that our records and CDs are really clean.

    What would be really cool is to show an actual stylus tracking the groove.

    Stan
    Stan

    Main 2ch:
    Polk LSi15 (DB840 upgrade), Parasound: P/LD-1100, HCA-1000A; Denon: DVD-2910, DRM-800A; Benchmark DAC1, Monster HTS3600-MKII, Grado SR-225i; Technics SL-J2, Parasound PPH-100.

    HT:
    Marantz SR7010, Polk: RTA11TL (RDO198-1, XO and Damping Upgrades), S4, CS250, PSW110 , Marantz UD5005, Pioneer PL-530, Panasonic TC-P42S60

    Other stuff:
    Denon: DRA-835R, AVR-888, DCD-660, DRM-700A, DRR-780; Polk: S8, Monitor 5A, 5B, TSi100, RM7, PSW10 (DXi104 upgrade); Pioneer: CT-6R; Onkyo CP-1046F; Ortofon OM5E, Marantz: PM5004, CD5004, CDR-615; Parasound C/PT-600, HCA-800ii, Sony CDP-650ESD, Technics SA 5070, B&W DM601
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  • rayslifecycle
    rayslifecycle Posts: 511
    edited March 2010
    I don't know anything about what I am seeing - but I can tell that there seems to be a lot more bumps in the records grooves.....the CD image looks sterile.

    Quoting Spock: Fascinating
    http://rayslifecycle.blogspot.com/
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  • mhardy6647
    mhardy6647 Posts: 33,804
    edited March 2010
    Long ago there were nice micrographs (not SEMs, though, just regular light micrographs) published of the cannon shots on the (in)famous Telarc 1812 Overture LP. I have yet to find them online, though.
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  • steveinaz
    steveinaz Posts: 19,538
    edited March 2010
    Incredible how dust looks like rocks...
    Source: Bluesound Node 2i - Preamp/DAC: Benchmark DAC2 DX - Amp: Parasound Halo A21 - Speakers: MartinLogan Motion 60XTi - Shop Rig: Yamaha A-S501 Integrated - Shop Spkrs: Elac Debut 2.0 B5.2
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  • amulford
    amulford Posts: 5,020
    edited March 2010
    What I always dig is how the information for each channel is recorded on one side of the groove. Nifty ****...

    Tell ya what, if you can get your vinyl clean, it is an excellent medium...
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  • mhardy6647
    mhardy6647 Posts: 33,804
    edited March 2010
    amulford wrote: »
    What I always dig is how the information for each channel is recorded on one side of the groove. Nifty ****...

    Tell ya what, if you can get your vinyl clean, it is an excellent medium...

    actually, stereo records have the grooves both vertically and horizontally (laterally) modulated to encode stereo information. Part of the reason mono recordings are quieter than stereo is that there is no vertical track information to worry about (not just the cancelling effect of out of phase noise in the two channels).

    Here's a quick synopsis:
    http://books.google.com/books?id=mounFTvtYOQC&pg=PA572&lpg=PA572&dq=STEREO+record+vertical+lateral+groove+modulation&source=bl&ots=7DJrubD4-W&sig=djzKWF5Wuw2kL8MeO7-r6l9zr2I&hl=en&ei=m4ujS6DTB8X7lwfi_aTxCA&sa=X&oi=book_result&ct=result&resnum=9&ved=0CDwQ6AEwCA#v=onepage&q=STEREO%20record%20vertical%20lateral%20groove%20modulation&f=false

    http://www.auldworks.com/articles/dtrans2.htm
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  • cnh
    cnh Posts: 13,284
    edited March 2010
    steveinaz wrote: »
    Incredible how dust looks like rocks...

    'The Incredible Shrinking Man'--worlds within worlds.

    But really I can't see the link must be a web filter from my side....plenty of them over here!

    cnh
    Currently orbiting Bowie's Blackstar.!

    Polk Lsi-7s, Def Tech 8" sub, HK 3490, HK HD 990 (CDP/DAC), AKG Q701s
    [sig. changed on a monthly basis as I rotate in and out of my stash]
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  • Cpyder
    Cpyder Posts: 514
    edited March 2010
    That's totally awesome!
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  • SCompRacer
    SCompRacer Posts: 8,500
    edited March 2010
    Here is a macro shot of the 1812 Overture cannon shots, shot with a Canon.;)

    From this site. Challenge 59: Song Titles.
    http://www.pbase.com/cslr_challenge/cslr59_songtitles_exhibition

    54768551.1812Overture.jpg
    Salk SoundScape 8's * Audio Research Reference 3 * Bottlehead Eros Phono * Park's Audio Budgie SUT * Krell KSA-250 * Harmonic Technology Pro 9+ * Signature Series Sonore Music Server w/Deux PS * Roon * Gustard R26 DAC / Singxer SU-6 DDC * Heavy Plinth Lenco L75 Idler Drive * AA MG-1 Linear Air Bearing Arm * AT33PTG/II & Denon 103R * Richard Gray 600S * NHT B-12d subs * GIK Acoustic Treatments * Sennheiser HD650 *
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  • dkg999
    dkg999 Posts: 5,647
    edited March 2010
    You might be an audiophile if you buy an electron microscope to make sure you got your LP's clean!
    DKG999
    HT System: LSi9, LSiCx2, LSiFX, LSi7, SVS 20-39 PC+, B&K 507.s2 AVR, B&K Ref 125.2, Tripplite LCR-2400, Cambridge 650BD, Signal Cable PC/SC, BJC IC, Samsung 55" LED

    Music System: Magnepan 1.6QR, SVS SB12+, ARC pre, Parasound HCA1500 vertically bi-amped, Jolida CDP, Pro-Ject RM5.1SE TT, Pro-Ject TubeBox SE phono pre, SBT, PS Audio DLIII DAC
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  • SCompRacer
    SCompRacer Posts: 8,500
    edited March 2010
    I just use a Brass brush and compressed air. No worries....:eek:
    Salk SoundScape 8's * Audio Research Reference 3 * Bottlehead Eros Phono * Park's Audio Budgie SUT * Krell KSA-250 * Harmonic Technology Pro 9+ * Signature Series Sonore Music Server w/Deux PS * Roon * Gustard R26 DAC / Singxer SU-6 DDC * Heavy Plinth Lenco L75 Idler Drive * AA MG-1 Linear Air Bearing Arm * AT33PTG/II & Denon 103R * Richard Gray 600S * NHT B-12d subs * GIK Acoustic Treatments * Sennheiser HD650 *
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