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Old 4th September 2012, 09:00 AM   #7241
FdW is offline FdW  Netherlands
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Originally Posted by studiostevus View Post
Not here ....

Attachment 299524
For this job I would select inductors with a nice big iron core, like these Power inductors - Mouser Using one of these with 2 capacitors should be good enough (more is always better )

Last edited by FdW; 4th September 2012 at 09:11 AM.
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Old 4th September 2012, 09:23 AM   #7242
RCruz is offline RCruz  Switzerland
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Originally Posted by pdul View Post
Have anyone here actually tried the paradise with a standard psu setup, bridge and a pair of capacitors, and no chokes at all? Just for reference
Indeed I did

The Paradise shunts are really good and work wonderfully with a bridge followed by one cap.

I am using a Nichicon 15000uF Gold Tune ("Tuned" in Malasia) and even with this low cost setup it sounds wonderfull.
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Old 4th September 2012, 09:30 AM   #7243
pdul is offline pdul  Denmark
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Perfect. Meaning that it can work well without 200kg of extra iron and copper in the cabinet
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Old 4th September 2012, 09:38 AM   #7244
RCruz is offline RCruz  Switzerland
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I do believe there is no need to build a very complex prereg for the Paradise... It,s shunt CCS has a very good PSRR allready.

I only use a small resistor between the rectifier bridge and smoothing cap if I need to reduce raw DC voltage a bit... like this: RC Ripple Filter Calculator

In my actual build I chose the correct TX voltage so I do not need any Vdrop... so, no resistor.

Anyway, I also found that if we use a really good smoothing cap (Jensen or Mundorf 4 pole), we should not place anything between this cap and the Paradise so we can benefit from its "benefic" sound signature... That,s how I cook

Off course if one really wants to get the most out of this Paradise one can choose to build a heavy filtering prereg with loads of coils and caps, but it costs and it is not so simple to design correctly.
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Old 4th September 2012, 09:41 AM   #7245
RCruz is offline RCruz  Switzerland
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Originally Posted by pdul View Post
Perfect. Meaning that it can work well without 200kg of extra iron and copper in the cabinet
Off course you can put the prereg inside the cabinet, but it works much better with an external psu.

Something like this:
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Last edited by RCruz; 4th September 2012 at 09:47 AM.
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Old 4th September 2012, 10:00 AM   #7246
pdul is offline pdul  Denmark
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I have a very nice Italian cabinet i want to use, so my plan is to build a cabinet within the cabinet for the powersupply
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Old 4th September 2012, 10:04 AM   #7247
RCruz is offline RCruz  Switzerland
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So you plan to place the TX near the amp boards right ?
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Old 4th September 2012, 10:12 AM   #7248
pdul is offline pdul  Denmark
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My plan is to build a small cabinet for the powersupply inside the main cabinet, maybe some cu plate will do, so i guess distance wise everything is close, but fully separated shielding wise
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Old 4th September 2012, 10:15 AM   #7249
RCruz is offline RCruz  Switzerland
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What type of TX do you plan to use ?
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Old 4th September 2012, 10:20 AM   #7250
pdul is offline pdul  Denmark
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TX ?
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