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DIY Power Supply for Gram Amp 2 |
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BAK
Senior Member Joined: 14 Mar 2010 Location: Kentucky, USA Status: Offline Points: 1744 |
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The Graham Slee model PSU1 does the best job of regulating the DC power needed by all Graham Slee phono preamplifiers.
One may find themselves trying to better his design only to find they are spending more money to do the same job... and find they could have bought a PSU1 for less money. |
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Bruce
AT-14SA, Pickering XV-15, Hana EL, Technics SL-1600MK2, Lautus, Majestic DAC, Technics SH-8055 spectrum analyzer, Eminence Beta8A custom cabs; Proprius & Reflex M or C, Enjoy Life your way! |
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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8998 |
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+1
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Jon
Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC. |
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GrahamD
New Member Joined: 13 Feb 2015 Location: Auckland NZ Status: Offline Points: 34 |
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Believe me I would have preferred to buy a PSU1 made by the master himself but I discovered that with freight to send one half way round the world, plus I suspect a rather healthy margin for the local agent, it would have cost me $499 NZ ( about 250 pounds). As a keen DIYer I decided to make my own version. Appreciate the advice offered to further refine my circuit.
Cheers Graham. |
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GrahamD
New Member Joined: 13 Feb 2015 Location: Auckland NZ Status: Offline Points: 34 |
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Could either of you gents, Fatmangolf or BAK, draw up a schematic of the circuit with your mods and additions included ? A hand drawn sketch is fine, I just need to get my head around it and will redo my PSU. Thanks for your help.
Graham |
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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8998 |
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Graham, I saw this on a fleeting visit and forgot to reply later. Bruce have you already sent a schematic?
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Jon
Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC. |
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GrahamD
New Member Joined: 13 Feb 2015 Location: Auckland NZ Status: Offline Points: 34 |
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Yes, Bruce has been kind enough to supply me with a very detailed schematic.
I am about to fire up my soldering iron . Cheers Graham |
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BAK
Senior Member Joined: 14 Mar 2010 Location: Kentucky, USA Status: Offline Points: 1744 |
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And thank you for reassuring me that you have a 0.5 Amp fuse on the 240VAC hot line for safety. Here to Help, Edited by BAK - 27 Mar 2015 at 10:52pm |
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Bruce
AT-14SA, Pickering XV-15, Hana EL, Technics SL-1600MK2, Lautus, Majestic DAC, Technics SH-8055 spectrum analyzer, Eminence Beta8A custom cabs; Proprius & Reflex M or C, Enjoy Life your way! |
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