Which DVD and Blu Ray Player Models use high Quality Transport Mechanism ?? - diyAudio
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Old 29th December 2009, 09:59 PM   #1
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Default Which DVD and Blu Ray Player Models use high Quality Transport Mechanism ??

I haven't success to find the appropriate informations on the web.

I have found only this about Daisylaser:
loading
but unfortunately only the PCM compatible CDpro2LF/VAM1254 is a high quality device

Thank you very much for comments
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Old 30th December 2009, 01:36 AM   #2
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I can tell you from a very LARGE amount of experience that the rather cheap transports in the (USA models) Pioneer DV563/578A-S/46AV/45A/47A/47AI/59AV/79AV and similar vintage(approx third generation) models of Pioneer DVD/DVD-A/SACD/CD players are as close to bulletproof-reliable as any dvd mech I have ever seen, and they can all be turned into quite excellent sounding players, too, despite the SMPS power supplies. Further, they actually spin CD's at double speed, which, it seems to me, could reduce mechanical jitter(wow/flutter), and they do seem to make perfectly respectable transports with any decent dac unit.
Way better built & engineered, btw, than any of the cdm12/vam12 generation Philips crap. Last decent Philips mech was the CDM-9 series, and even those were half as good as the CDM-4 & earlier.
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Old 1st January 2010, 09:23 PM   #3
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Quote:
Originally Posted by stephensank View Post
I can tell you from a very LARGE amount of experience that the rather cheap transports in the (USA models) Pioneer DV563/578A-S/46AV/45A/47A/47AI/59AV/79AV and similar vintage(approx third generation) models of Pioneer DVD/DVD-A/SACD/CD players are as close to bulletproof-reliable as any dvd mech I have ever seen, and they can all be turned into quite excellent sounding players, too, despite the SMPS power supplies. Further, they actually spin CD's at double speed, which, it seems to me, could reduce mechanical jitter(wow/flutter), and they do seem to make perfectly respectable transports with any decent dac unit.
Way better built & engineered, btw, than any of the cdm12/vam12 generation Philips crap. Last decent Philips mech was the CDM-9 series, and even those were half as good as the CDM-4 & earlier.
Thanks for the first advices.
The reason for the last are follow:
The versions CDM-0 until CDM-4 uses the good known 780nM Laserdiodes like RLD-78 (a certainly version) from Rohm while from the model "CDM-9" were used hologram laser units - go to
Hologram laser unit and optical pickup device including the same - US Patent 6388977 Claims and
http://www.freepatentsonline.com/200...61-0-large.jpg

The subject of this thread must be actually
" Which DVD and Blu Ray Player Models use Transport Mechanism Special Made for Professional Applications ?? "

Last edited by tiefbassuebertr; 1st January 2010 at 09:46 PM.
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Old 9th January 2010, 03:47 PM   #5
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Default Mcintosh "MVP-881" - which transport mechanism ?

The Mcintosh blu-ray (blue ray) model MVP881 about
McIntosh | MVP881
could have a high quality transport mechanism.
I have heard, that the mechanism type from attachements is inside
from this UD DENON player:
Denon DVD-A1 UD Player Review | Denon Blu-ray Players | Denon Blu-ray Player Reviews
But I don't know exactly. Perhaps one of the members know it.

Are there no blu ray transport mechanism versions for top loader design like the CD mechanism Philips/Daisylaser CDpro2 (VAU1254)?
Attached Images
File Type: jpg Denon-DBP-4010UD transport open.jpg (110.2 KB, 305 views)
File Type: jpg Denon-DBP-4010UD transport.jpg (21.7 KB, 299 views)

Last edited by tiefbassuebertr; 9th January 2010 at 04:01 PM.
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Old 11th January 2010, 05:22 PM   #6
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The internal transport (mechanism, optical base, optical unit) from Pioneer's BDP-LX91 could be a high quality version
Hi-Fi Choice
XXL-TEST: Blu-ray-Player Pioneer BDP-LX91 (16.02.2008)
Pioneer - BDP-LX91/WY5 Service Manual on Windows Drivers Downloads (Service Manual Blu Ray Pioneer BDP-LX91)
TLC Broadcast Pioneer LX08/BDP-LX91 v Denon 2500BT/3800
http://www.avforums.com/forums/blu-r...-3800-a-2.html
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Old 11th January 2010, 05:23 PM   #7
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The internal transport (mechanism, optical base, optical unit) from Pioneer's BDP-LX91 could be a high quality version

BDP-LX91 Reference BD-Live Blu-ray Disc player - Pioneer Blu-ray disc, DVD Player
Hi-Fi Choice
XXL-TEST: Blu-ray-Player Pioneer BDP-LX91 (16.02.2008)
Pioneer - BDP-LX91/WY5 Service Manual on Windows Drivers Downloads (Service Manual Blu Ray Pioneer BDP-LX91)
TLC Broadcast Pioneer LX08/BDP-LX91 v Denon 2500BT/3800
TLC Broadcast Pioneer LX08/BDP-LX91 v Denon 2500BT/3800 - Page 2 - AVForums.com
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Old 11th January 2010, 05:45 PM   #8
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About the used transport mechanism (BD/DVD/CD drive unit)
I don't find any informations as is commonly done at computer accessories.
The type No used by BDP-LX91 (and BDP-LX08) is follow: "BDV-103A-XA"

Here any pictures from Pioneer's BDP-LX91 inside:
Attached Images
File Type: jpg Blu Ray Pioneer BDP-LX91.jpg (101.0 KB, 277 views)
File Type: jpg Blu Ray Pioneer BDP-LX91 rear II.jpg (109.9 KB, 266 views)
File Type: jpg Blu Ray Pioneer BDP-LX91 8xDAC.jpg (88.3 KB, 258 views)
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Old 30th July 2010, 01:49 PM   #9
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Default Low mechanical Noise Blu Ray Transport Mechanism

Are there news about low mechanical noise Blu Ray transport mechanism?
Actually this must be a great challenge cause its very high values of RpM.
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