Comparison of Eurorack DIY PSUs: Difference between revisions

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|[[L-1]]||[http://l-1.su/Power.html 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||[http://www.muffwiggler.com/forum/viewtopic.php?t=128163 Muff Wiggler forum]
|[[L-1]]||[http://l-1.su/Power.html 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||[http://www.muffwiggler.com/forum/viewtopic.php?t=128163 Muff Wiggler forum]
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|[[MFOS]]||[http://www.musicfromouterspace.com/analogsynth_new/POWERSUPPLY2009/POWERSUPPLY2009.php Adjustable LM317/LM337 1.5A Supply]||linear||+/-12V @ 1.5A||separate centre tapped transformer||LM317, LM337||not specified||free for non-commercial use||PCB or PCB and components||
|[[MFOS]]||[http://www.musicfromouterspace.com/analogsynth_new/POWERSUPPLY2009/POWERSUPPLY2009.php 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||
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|MFOS||[http://www.musicfromouterspace.com/analogsynth_new/WALLWARTSUPPLY/WALLWARTSUPPLY.php 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||
|MFOS||[http://www.musicfromouterspace.com/analogsynth_new/WALLWARTSUPPLY/WALLWARTSUPPLY.php 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||
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|[[ModularSynth.ru]]||[http://www.modularsynth.ru/en/diy/low_cost_psu/ Low-Cost PSU]||linear||+/-12V @ 1A, 5V @ 0.5A||AC wall wart/separate transformer||7812, 7912, 78L05||not specified||[http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en CC-BY-NC-SA]||||
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|[[ModularSynth.ru]]||[http://www.modularsynth.ru/en/2014/07/18/regulated_psu_update/ Regulated Bipolar PSU]||linear||+/-12V @ 1.5A, 5V @ 1.5A||separate transformer||2xLM317, LM337||not specified||[http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en CC-BY-NC-SA]||||
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|[[stroh]]||[http://synthcube.com/cart/index.php?route=product/product&product_id=590 modular power supply]||linear||+/-12V <!--@ 1.5A-->, 5V <!--@ 1.5A-->||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.
|[[stroh]]||[http://synthcube.com/cart/index.php?route=product/product&product_id=590 modular power supply]||linear||+/-12V <!--@ 1.5A-->, 5V <!--@ 1.5A-->||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.

Revision as of 20:40, 31 March 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 hybrid +/-12V @ 0.7A, 5V @ 0.3A internal switched +/-15V DC unit LM317TL, LM337TL, 78M05 Regulators are on a bus with 14 headers CC-BY-SA Linear regulators supplied by switched +/-15V unit. 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 brick VBED15, 7805 12 headers on PSU PCB for non-commercial use only Uses ready made DC to DC converter schematic
Eowave DIY PSU switching +/-12V @ 1.5V, 5V @ 0.5A external 15V 4A DC 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 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 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

External links

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