Comparison of Eurorack DIY PSUs: Difference between revisions

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(external DC bricks are switched)
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!Brand!!Model (& web page)!!Type!!Volts & max. Amps!!Transformer type!!Main components!!Distribution!!Licence!!Comments!!Further info
!Brand!!Model (& web page)!!Type!!Volts & max. Amps!!Transformer type!!Main components!!Distribution!!Licence!!Comments!!Further info
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|[[Befaco]]||[http://www.befaco.org/en/tienda/power-bus-diy-kit/ Power bus DIY kit]||hybrid|| +/-12V @ 0.7A, 5V @ 0.3A||internal switched +/-15V DC unit||LM317TL, LM337TL, 78M05||Regulators are on a bus with 14 headers||[https://creativecommons.org/licenses/by-sa/3.0/ CC-BY-SA]||Linear regulators supplied by switched +/-15V unit. Sold as PCB and components kit.||[http://www.befaco.org/en/fuente-alimentacion/ schematic, assy instructions, Eagle files]
|[[Befaco]]||[http://www.befaco.org/en/tienda/power-bus-diy-kit/ Power bus DIY kit]||linear|| +/-12V @ 0.7A, 5V @ 0.3A||internal switched PS +/-15V DC unit||LM317TL, LM337TL, 78M05||Regulators are on a bus with 14 headers||[https://creativecommons.org/licenses/by-sa/3.0/ CC-BY-SA]||Sold as PCB and components kit.||[http://www.befaco.org/en/fuente-alimentacion/ schematic, assy instructions, Eagle files]
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|[[Clicks & Clocks]]||[http://clicksclocks.de/tag/psu PSU]||linear||+/-12V @ 1.2A||toroidal attached to PCB||LM317, LM337||Separate bus with 14 headers||With permission of Doepfer||Modelled on [[Doepfer A-100]] PSU2||[http://www2.doepfer.de/?p=2806&lang=en A-100 Technical Details]
|[[Clicks & Clocks]]||[http://clicksclocks.de/tag/psu PSU]||linear||+/-12V @ 1.2A||toroidal attached to PCB||LM317, LM337||Separate bus with 14 headers||With permission of Doepfer||Modelled on [[Doepfer A-100]] PSU2||[http://www2.doepfer.de/?p=2806&lang=en A-100 Technical Details]
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|[[Dintree]]||[http://www.dintree.com/#D112 D112 Power Supply]||switching||+/-12V @ 0.625A, 5V @ 0.5A||external 12V DC brick||VBED15, 7805||12 headers on PSU PCB||for non-commercial use only||Uses ready made DC to DC converter||[http://www.dintree.com/#D112 schematic]
|[[Dintree]]||[http://www.dintree.com/#D112 D112 Power Supply]||switching||+/-12V @ 0.625A, 5V @ 0.5A||external 12V DC switched brick||VBED15, 7805||12 headers on PSU PCB||for non-commercial use only||Uses ready made DC to DC converter||[http://www.dintree.com/#D112 schematic]
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|[[EFM Synthesizers]]||[http://www.modular.fonik.de/files/EFMforum/orgEFMfiles/3500er/3501_PSU.pdf 3501 Power Supply]||linear||+/-12V @ 1.5A||external transformer||LM317, LM337||can be adapted||unknown||||
|[[EFM Synthesizers]]||[http://www.modular.fonik.de/files/EFMforum/orgEFMfiles/3500er/3501_PSU.pdf 3501 Power Supply]||linear||+/-12V @ 1.5A||external transformer||LM317, LM337||can be adapted||unknown||||
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|[[Eowave]]||[http://www.eowave.com/modules/diy-kits/diy-power-supply/ DIY PSU]||switching||+12V @ 1.5V, -12V @ 0.7A,<ref>[http://www.mouser.com/ds/2/405/lm2576-405253.pdf LM2576/LM2576HV Series SIMPLE SWITCHER® 3A Step-Down Voltage Regulator], p.20</ref> 5V @ 0.5A
|[[Eowave]]||[http://www.eowave.com/modules/diy-kits/diy-power-supply/ DIY PSU]||switching||+12V @ 1.5V, -12V @ 0.7A,<ref>[http://www.mouser.com/ds/2/405/lm2576-405253.pdf LM2576/LM2576HV Series SIMPLE SWITCHER® 3A Step-Down Voltage Regulator], p.20</ref> 5V @ 0.5A
||external 15V 4A DC brick||2xLM2576T, 7805||Separate bus with 15 headers||proprietary||Sold as PCB and components kit||[https://www.muffwiggler.com/forum/viewtopic.php?t=136240&start=0 Muff Wiggler forum]
||external 15V 4A DC switched brick||2xLM2576T, 7805||Separate bus with 15 headers||proprietary||Sold as PCB and components kit||[https://www.muffwiggler.com/forum/viewtopic.php?t=136240&start=0 Muff Wiggler forum]
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|[[Erica Synths]]||[http://www.ericasynths.lv/en/shop/diy/diy-kits-1/eurorack-bipolar-12v-psu-kit/ 12V bipolar 1.5A PSU] ||linear||+/-12V @ 1.5A||toroidal attached to PCB||LM317, LM337||Separate bus with 14 headers||proprietary||PCB, hardware and components kit||[https://www.muffwiggler.com/forum/viewtopic.php?t=125684&start=all&postdays=0&postorder=asc Muff Wiggler forum]
|[[Erica Synths]]||[http://www.ericasynths.lv/en/shop/diy/diy-kits-1/eurorack-bipolar-12v-psu-kit/ 12V bipolar 1.5A PSU] ||linear||+/-12V @ 1.5A||toroidal attached to PCB||LM317, LM337||Separate bus with 14 headers||proprietary||PCB, hardware and components kit||[https://www.muffwiggler.com/forum/viewtopic.php?t=125684&start=all&postdays=0&postorder=asc Muff Wiggler forum]
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||unknown||PCB only or full kit.||[https://www.muffwiggler.com/forum/viewtopic.php?t=97492&start=all&postdays=0&postorder=asc Muff Wiggler forum]
||unknown||PCB only or full kit.||[https://www.muffwiggler.com/forum/viewtopic.php?t=97492&start=all&postdays=0&postorder=asc Muff Wiggler forum]
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|Synthrotek||[http://www.synthrotek.com/products/modular-circuits/deluxe-power/ Deluxe Power Module]||switching||+12 @ 2.0A, -12 @ 1.5A, +5 @ 1.5A||external 15-28V DC power brick||R-6212P, R-7312P, OKI-78SR-5/1.5-W36-C||1 or 2 flying bus cables||unknown||PCB only or full kit.||
|Synthrotek||[http://www.synthrotek.com/products/modular-circuits/deluxe-power/ Deluxe Power Module]||switching||+12 @ 2.0A, -12 @ 1.5A, +5 @ 1.5A||external 15-28V DC power switched brick||R-6212P, R-7312P, OKI-78SR-5/1.5-W36-C||1 or 2 flying bus cables||unknown||PCB only or full kit.||
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|Synthrotek||[http://www.synthrotek.com/products/modular-circuits/eurorack-power-distribution-boards/ Eurorack 5A Power Supply]||switching||+12V @ 2.2A, -12V @ 1.3A, +5V @ 1.5A||external 12V DC power brick||UEI15-120-Q12P-C, OKI-78SR-5/1.5-W36-C||flying bus cable||unknown||PCB only or full kit.||
|Synthrotek||[http://www.synthrotek.com/products/modular-circuits/eurorack-power-distribution-boards/ Eurorack 5A Power Supply]||switching||+12V @ 2.2A, -12V @ 1.3A, +5V @ 1.5A||external 12V DC power switched brick||UEI15-120-Q12P-C, OKI-78SR-5/1.5-W36-C||flying bus cable||unknown||PCB only or full kit.||
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Revision as of 18:47, 1 April 2016

A good clean power supply unit (PSU) is the most important part of a modular system. A proper linear power supply and good distribution makes a big difference to the stability and sound quality of the system.[1] Switch-mode power supplies are smaller, lighter, and much more efficient than linear power supplies but produce more noise, (above audio range) on their output.[2]

Safety

Mains voltages can kill and capacitors in disconnected power supplies can still deliver quite a jolt. Unless you're qualified to work with mains electricity, ready made external transformers are safer.

Brand Model (& web page) Type Volts & max. Amps Transformer type Main components Distribution Licence Comments Further info
Befaco Power bus DIY kit linear +/-12V @ 0.7A, 5V @ 0.3A internal switched PS +/-15V DC unit LM317TL, LM337TL, 78M05 Regulators are on a bus with 14 headers CC-BY-SA Sold as PCB and components kit. schematic, assy instructions, Eagle files
Clicks & Clocks PSU linear +/-12V @ 1.2A toroidal attached to PCB LM317, LM337 Separate bus with 14 headers With permission of Doepfer Modelled on Doepfer A-100 PSU2 A-100 Technical Details
Dintree D112 Power Supply switching +/-12V @ 0.625A, 5V @ 0.5A external 12V DC switched brick VBED15, 7805 12 headers on PSU PCB for non-commercial use only Uses ready made DC to DC converter schematic
EFM Synthesizers 3501 Power Supply linear +/-12V @ 1.5A external transformer LM317, LM337 can be adapted unknown
Eowave DIY PSU switching +12V @ 1.5V, -12V @ 0.7A,[3] 5V @ 0.5A external 15V 4A DC switched brick 2xLM2576T, 7805 Separate bus with 15 headers proprietary Sold as PCB and components kit Muff Wiggler forum
Erica Synths 12V bipolar 1.5A PSU  linear +/-12V @ 1.5A toroidal attached to PCB LM317, LM337 Separate bus with 14 headers proprietary PCB, hardware and components kit Muff Wiggler forum
Frequency Central FC Power DIY linear +/-12V @ 0.5A, 5V @ 0.1A 12V AC wall wart 7812, 7912, 78L05 1 header or solder leads to PCB unknown PCB only. Inexpensive solution for small Euro system. FC Power Build Doc
L-1 12V bipolar linear PSU+busboards linear +/-12V @ 1.5A toroidal attached to PCB 2xLD1084, 7805 Two 12 header bus PCBs with kit. +5V regulator mounted on bus off 12V rail unknown Full kit for PSU + two busboards Muff Wiggler forum
MFOS Adjustable LM317/LM337 1.5A Supply linear +/-12V @ 1.5A separate transformer LM317, LM337 not specified free for non-commercial use PCB or PCB and components
MFOS Wall Wart Power Supply linear +12V @ 1A external AC wall wart LM78XX/LM79XX or LM78LXX/LM79LXX not specified free for non-commercial use PCB or PCB and components
ModularSynth.ru Low-Cost PSU linear +/-12V @ 1A, 5V @ 0.5A AC wall wart/separate transformer 7812, 7912, 78L05 not specified CC-BY-NC-SA
ModularSynth.ru Regulated Bipolar PSU linear +/-12V @ 1.5A, 5V @ 1.5A separate transformer 2xLM317, LM337 not specified CC-BY-NC-SA
stroh modular power supply linear +/-12V , 5V toroidal mounted on PCB LM317T,LM337T,LM1086 Detachable 2"x6" 12 header board with 5x10-pin Euro, 4x16-pin Euro, 8x6-pin Dotcom/MU and 8xMOTM/Frac headers. unknown PCB only or full kit. Muff Wiggler forum
Synthrotek Deluxe Power Module switching +12 @ 2.0A, -12 @ 1.5A, +5 @ 1.5A external 15-28V DC power switched brick R-6212P, R-7312P, OKI-78SR-5/1.5-W36-C 1 or 2 flying bus cables unknown PCB only or full kit.
Synthrotek Eurorack 5A Power Supply switching +12V @ 2.2A, -12V @ 1.3A, +5V @ 1.5A external 12V DC power switched brick UEI15-120-Q12P-C, OKI-78SR-5/1.5-W36-C flying bus cable unknown PCB only or full kit.

References

  1. ^ Best Eurorack Power Supply (PSU) for your buck?, Muff Wiggler forum, 23 Feb 2014
  2. ^ Understanding the Importance of Low-Noise Linear Power Supplies
  3. ^ LM2576/LM2576HV Series SIMPLE SWITCHER® 3A Step-Down Voltage Regulator, p.20

External links

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