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29th July 2003, 03:19 PM
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#101 | |
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diyAudio Member
Join Date: Jul 2002
Location: Eindhoven, the Netherlands
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Quote:
 I am now busy with it's follow-up. Sounds much better, though I have to fix some issues yet... And I have to decide if it will be the Nonoz II+ or Nonoz III. Nice project here with the CD-roms! Also, have a look at the Meridian 588 thread: http://www.diyaudio.com/forums/showt...850#post213850 It would be very cool if the sound data can be processed with a DSP afterwards. So to implement functions like oversampling (or not ), absolute polarity, EQ etc.Fedde
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http://www.fedde.nu, gainclone and non-oversampling DAC audio projects and kits... |
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29th July 2003, 05:52 PM
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#102 |
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diyAudio Member
Join Date: Jan 2001
Location: Ruhrgebiet
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My "victim" has just arrived
 .This is the CD ROM I am going to use for this project. It is a modern model, an AOPEN CD956E with 56x speed. Paid 20 Euros for it (brandnew of course): |
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29th July 2003, 05:53 PM
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#103 |
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diyAudio Member
Join Date: Jan 2001
Location: Ruhrgebiet
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This is the back site. It has everything we need, including an S/PDIF output:
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29th July 2003, 05:54 PM
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#104 |
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diyAudio Member
Join Date: Dec 2001
Location: South Sweden
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can modern CDROMs like yours, Hbarske be used stand alone? I e , just insert CD and press the play button on the front?
/rickard
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listen! Can you hear that ... |
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29th July 2003, 05:54 PM
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#105 |
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diyAudio Member
Join Date: Jan 2001
Location: Ruhrgebiet
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Bottom cover removed. Two pcbs cover the electronics. Zhe one on the tray site contains the tray motor, the buttons and the haedphone jack:
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29th July 2003, 05:56 PM
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#107 |
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diyAudio Member
Join Date: Jan 2001
Location: Ruhrgebiet
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Top cover removed. I'd say the drive doesn't look too bad. At least it is mounted in a metal frame, the laser slides on two polished steel rods. A threaded rod does the laser movement:
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29th July 2003, 05:58 PM
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#108 |
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diyAudio Member
Join Date: Jan 2001
Location: Ruhrgebiet
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The back site of the control pcb. It won't be easy to figure out the I²S signals here...
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29th July 2003, 06:00 PM
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#109 |
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diyAudio Member
Join Date: Jan 2001
Location: Ruhrgebiet
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Tray removed. The top of the spindle carries a strong magnet, the counterpart in the cover some rotating iron part. this will clamp the cd safely to the drive. Shouldn't be too difficult to turn this into a nice top loader
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29th July 2003, 06:22 PM
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#110 |
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diyAudio Member
Join Date: Jan 2001
Location: Ruhrgebiet
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@rikkitikkitavi:
Just opened my PC to get the drive powered. Dropped a CD in, plugged the headphone in, and... it's working without any problems. Although the drive is not very noisy at all, it seems to run at a much higher speed then 1x when playing an audio CD. And: it sounds awful . This of course shouldn't be the transport's fault but the unbelieveable bad headphone amplifier...
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