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Marantz CD32 DAC upgrade.
Marantz CD32 DAC upgrade.
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Old 22nd December 2017, 01:32 AM   #11
phase is offline phase  United States
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The muses 8820 has a very smooth and holographic sounding presentation, is around $12(USA).
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Old 22nd December 2017, 06:32 AM   #12
Keruskerfuerst is offline Keruskerfuerst  Germany
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There are also SMD DIP adapters available.

Then you can install a SMD OP as DIP device.
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Old 23rd December 2017, 07:15 AM   #13
redrooster is offline redrooster  Australia
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Quote:
Originally Posted by phase View Post
The muses 8820 has a very smooth and holographic sounding presentation, is around $12(USA).
Which op-amp in the circuit would the Muse 8820 replace? I've been trying to work it out myself by comparing datasheets, etc but it's beyond me?
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Old 23rd December 2017, 07:19 AM   #14
redrooster is offline redrooster  Australia
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Quote:
Originally Posted by Keruskerfuerst View Post
There are also SMD DIP adapters available.

Then you can install a SMD OP as DIP device.
I checked them out and yeah that's the go. I didn't know there was such a thing? Thanks mate.
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Old 23rd December 2017, 07:33 AM   #15
redrooster is offline redrooster  Australia
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I found these, do I buy two and just plug them in?
Attached Images
File Type: jpg OPA1602 op-amp.jpg (417.9 KB, 51 views)
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Old 23rd December 2017, 08:58 AM   #16
Keruskerfuerst is offline Keruskerfuerst  Germany
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Thatīs the correct device.
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Old 23rd December 2017, 10:40 AM   #17
redrooster is offline redrooster  Australia
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Quote:
Originally Posted by Keruskerfuerst View Post
Thatīs the correct device.
Thanks mate.
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Old 24th December 2017, 07:27 PM   #18
phase is offline phase  United States
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The 8820 sounds (to me anyways) similar to the 5532, just a smoother more detailed mid/treble, thought it could be a nice upgrade without upsetting any of the marantz sound that people love.
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Old 25th December 2017, 01:23 AM   #19
redrooster is offline redrooster  Australia
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Quote:
Originally Posted by phase View Post
The 8820 sounds (to me anyways) similar to the 5532, just a smoother more detailed mid/treble, thought it could be a nice upgrade without upsetting any of the marantz sound that people love.
I'll try them and see how they go, I'm not sure that I will be able to hear much of a difference though but if you could hear a difference, then maybe I can too? I'm 64y/o and I can hear up to 12,000htz. Anything that goes towards refining the final sound output is OK by me. I'm going to do the power supply if I can get the add-on for my Firefox browser to make Photobucket work? All the photos and diagrams are in there! I contacted Photobucket about this 3 days ago by email, still waiting for a reply!
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Old 26th December 2017, 12:05 PM   #20
cricket is offline cricket
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Default CD52 Mk2 SE

You will find a manual at:

http://www.raylectronics.nl/manuals/CD32_42_52_doc.pdf

I have a query
I have replaced the tray opening gear wheel and belt on CD52 Mk2 SE.
My tray attempts to open but falters.

I have checked the action. As part of the opening action, there is a ramp on the CD tray which lifts the 'Disc hold down' mechanism which is spring loaded down on the tray, A pair of rollers run on the disc hold down unit run on this ramp. My tray almost gets to the top of the ramp and then stops. The motor and belt stop, and do not appear to slip.
If I give the operation a slight assist by reducing the weight of the spring loaded hold down mechanism, it functions perfectly.

My query: Is there a way to reduce the load on the tray motor, or beef up the motor?
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