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Post by Deleted on Apr 15, 2010 11:06:57 GMT
Just a brief vote of thanks to Paul (Hynes) for the help and support that he is providing me. I am not really a customer of his, having bought one of his PR3 Techie PSUs from A.N. Other which came without any instructions. Being electrically challenged I approached Paul to see if he would help and his response has been absolutely great - couldn't have been better. The job is in the preparation stage at the moment but I am in no doubt that Paul's support will be there to conclusion of the project. Leo also deserves a sincere vote of thanks, both for his thread on the subject and his encouragement and support that I have received. Thanks both - much appreciated . Dave.
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Sol
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Post by Sol on Apr 23, 2010 23:33:33 GMT
I'm expecting one of his PSUs to arrive next week )
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leo
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Post by leo on Apr 24, 2010 21:49:12 GMT
Which one Sol? is it for the Technics or something else?
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Sol
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Post by Sol on Apr 26, 2010 23:37:18 GMT
Which one Sol? is it for the Technics or something else? I have the SB3 recommended one SR1-05 IIRC!
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Sol
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Post by Sol on Apr 27, 2010 13:24:56 GMT
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Sol
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Post by Sol on May 8, 2010 12:24:16 GMT
I'm in audio heaven again .... man this PSU makes such a difference! Very pleased. Will have to drop a note to Paul and thank him.
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leo
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Post by leo on May 8, 2010 23:06:19 GMT
Glad you liking it Sol I got to admit his PR3 based one I use piddled all over another linear regged psu I knocked up, the guy knows his shit with psu's
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Sol
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Post by Sol on May 13, 2010 8:55:25 GMT
The only issue with it is that it generates lots of heat! But other than that it's sweet sounding, cleans up the digital edge ... much nicer than the wellbourne one ... and I love what it does to the bass clarity.
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Post by Deleted on May 13, 2010 9:54:20 GMT
The only issue with it is that it generates lots of heat! But other than that it's sweet sounding, cleans up the digital edge ... much nicer than the wellbourne one ... and I love what it does to the bass clarity. Sol Shhh! If the E.U. legislators get wind of how much power they waste as heat, they are likely to legislate them out of existence along with Linear PSUs ! Alex
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Spirit
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Post by Spirit on May 13, 2010 10:13:51 GMT
The only issue with it is that it generates lots of heat! I fail to see how this is an issue in the UK (or in Oz during winter) I almost wish I had a class A amp for resting my feet on... oh and to drive my speakers too of course...
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Post by Deleted on May 13, 2010 10:21:24 GMT
The only issue with it is that it generates lots of heat! I fail to see how this is an issue in the UK (or in Oz during winter) I almost wish I had a class A amp for resting my feet on... oh and to drive my speakers too of course... Phil It's not about the heat, so much as the wasted power causing the heat. Those stupid E.U. legislators would probably try to do the same as they have with leaded solder being replaced by non leaded gunk, and SMPS becoming the norm for many applications. They don't give a damn about whether performance and reliability is degraded. Alex
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Spirit
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Post by Spirit on May 13, 2010 10:26:38 GMT
Phil It's not about the heat, so much as the wasted power causing the heat. Those stupid E.U. legislators would probably try to do the same as they have with leaded solder being replaced by non leaded gunk, and SMPS becoming the norm for many applications. They don't give a damn about whether performance and reliability is degraded. Alex It's entirely about the heat! If I want the heat, the power isn't wasted, is it? Hell, they should be thanking me for having a multi-purpose device. Heater manufacturers may not mind you, but too bad.
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leo
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Post by leo on May 14, 2010 6:03:28 GMT
The only issue with it is that it generates lots of heat! But other than that it's sweet sounding, cleans up the digital edge ... much nicer than the wellbourne one ... and I love what it does to the bass clarity. The type of case he uses acts as part of the heatsink so its normal to get pretty warm, you'll notice the aluminum is quite a bit thicker than those Hammond cases you get from Maplin I think the SR1-05 may be a shunt based psu anyway (could be wrong) . The SB3 do present quite a heavy constant load, the inbuilt display takes a fair bit on its own
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Post by Deleted on May 14, 2010 6:10:59 GMT
Leo Have you tried the Paul Hynes series or shunt, plug in pin compatible regulators in 3.3V and 5V ? Could be an interesting alternative to using another single JLH and a dual "Cricket" with the SC DAC. Their price is much more reasonable than their big brothers. Alex
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leo
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Post by leo on May 14, 2010 6:32:36 GMT
Alex,
I've tried the mini shunts in 3v3 and the mini series in 1v2 , their the ones I tried on the Buffalo pcb to replace the onboard smd regs and voltage buffers for the AVCC L&R. The larger shunts was used mainly for the output stage which was a much heavier load (much higher than a normal op-amp based output stage) The mini regs are only suited for lowish loads, I'd imagine its very hard to make a shunt reg this small and being able to drive heavier loads without any heatsinking . I think the mini's are good for around 100mA, would have to check to be sure
Leo
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