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  #721  
Old 11-08-16, 11:15 AM
sq225917 sq225917 is offline
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Groupbuy for the psu is alive, though pcb only now.

Paradise psu group buy
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  #722  
Old 11-08-16, 12:16 PM
flashgo flashgo is offline
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Thanks, I just signed up for 2 sets.

This is a good deed you're doing, Si!
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  #723  
Old 06-10-16, 07:49 AM
sq225917 sq225917 is offline
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Hermann, have your boards arrived yet?
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  #724  
Old 11-01-17, 04:00 AM
337alant 337alant is offline
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Finally got round to starting to assemble a new power supply based on Simons new boards,
I opted for 22v-0-22v transformers because of the big inductors and resisters dropping voltage when loaded though I may have to play arround with the power resistors to drop to a suitable voltage for the Paradise boards
Its going to be tight but I should be able to shoehorn everything into one power supply case
I'm going to build this as a separate supply to my present supply so I can compare the difference. Means I will have to build a new umbilical so I can do a quick change

IMG_2893 by Alan Towell, on Flickr

Alan
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  #725  
Old 11-01-17, 11:23 AM
sq225917 sq225917 is offline
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1 series resistor of 15 ohm plus the coils, replacing your current second resistor, should be spot on.
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  #726  
Old 11-01-17, 11:57 AM
YNWOAN YNWOAN is offline
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I've heard a number of Paradise powered by Simon's power supply boards now and they really do sound excellent. Not quite the same as the one I use which is the one oriogpnaly designed for it, but certainly no worse and I can see some actively prefering Si's.

Not directly linked, and somewhat irrelevant now given the increasing rarity of Paradise circuit boards, but well over a year later I am still absolutely loving my Paradise phono and it has significantly raised my enjoyment of listening to music at home. Even after many, many years of listening to 'high-end' audio systems it still regularly surprises me with its level of insight, subtlety and communication.
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  #727  
Old 11-01-17, 12:12 PM
martin dawson martin dawson is offline
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I've had my Paradise built by Simon in June 2015 and it's absolutely stonking! So much better than my previous phono stage which incidentally was no slouch...... a Whest Audio 30R. The Paradise is in another league and Simon did a great job on the build.

Regards,

Martin
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  #728  
Old 11-01-17, 12:24 PM
sq225917 sq225917 is offline
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Cheers gents, I have one languishing at 90% completion. Sadly with the none availability of Andrews cases it may well stay that way for the foreseeable...
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  #729  
Old 11-01-17, 12:55 PM
YNWOAN YNWOAN is offline
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In theory, because time is the issue, I could build you a full acrylic case a bit like the half acrylic case(s) I've built for mine (does look very cool).
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  #730  
Old 11-01-17, 03:32 PM
337alant 337alant is offline
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Quote:
Originally Posted by sq225917 View Post
1 series resistor of 15 ohm plus the coils, replacing your current second resistor, should be spot on.
Si Your boards are really nice thanks
I planned to use a 20ohm 1% Dale power resistor and the 158T hammond but with my mains being 253VAC it could still be a little high so I may have to play around with loading

Alan
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  #731  
Old 11-01-17, 03:47 PM
sq225917 sq225917 is offline
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Maybe 25r at 253
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  #732  
Old 14-01-17, 07:30 AM
337alant 337alant is offline
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Was there a loading resister in the original power supply to keep those inductors working ?

Alan
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  #733  
Old 14-01-17, 11:23 AM
sq225917 sq225917 is offline
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In the original pcb design there's a 10r after the choke. It was CLCR, 10000uf choke 10000uf 10r

Ideally you want c 39v at the output of the psu unloaded. That'll give you 25-26v under load.

With my boards my preference at 245v is 10000uf 15r 10000uf choke 10000uf. That'll give you c 26v, with your high mains I'd try for 20-25r as the loading resistor. If you think you'll need more let me know I have 30 and 50 ohm 20 watt caddocks going begging.

Shoot my your postal and ill get a couple of sets to you.
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  #734  
Old 14-01-17, 12:59 PM
337alant 337alant is offline
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Quote:
Originally Posted by sq225917 View Post
In the original pcb design there's a 10r after the choke. It was CLCR, 10000uf choke 10000uf 10r

Ideally you want c 39v at the output of the psu unloaded. That'll give you 25-26v under load.

With my boards my preference at 245v is 10000uf 15r 10000uf choke 10000uf. That'll give you c 26v, with your high mains I'd try for 20-25r as the loading resistor. If you think you'll need more let me know I have 30 and 50 ohm 20 watt caddocks going begging.

Shoot my your postal and ill get a couple of sets to you.
Simon
Thanks very much for the offer but I think I am OK now when I said my mains was 253v thats what it has been for years but I checked it yesterday and it was 242V and today its 244VAC so I think they must have done something at the substation ?
Anyway I have 38vDC unloaded I have wired this one up CRCLC using a 20 Ohm 25W 1% dale resistor bolted to the base plate and the 158T Hammonds.
When I was talking about loading resistors I meant across the phases to ground so there is a constant current drain
Ive noticed where I have a 2.2K resistor with the LED on the Negetive side the output is running at 35.5VDC and a 20ma drain

This is it wired up and bolted to the base plate
IMG_2908 by Alan Towell, on Flickr
IMG_2910 by Alan Towell, on Flickr

Alan
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  #735  
Old 17-01-17, 01:35 PM
slawekt slawekt is offline
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Is there a way to buy all Paradise Pcb's (phono stage & PSU) ?
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