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Eurorack Spring Reverb

Building instructions

Building instructions 'Eurorack Spring Reverb'

V1.0 - 06.2014

© Stereoping Germany, Hattingen 2014

Summary of Contents for SPRING REVERB

Page 1: ...Eurorack Spring Reverb Building instructions Building instructions Eurorack Spring Reverb V1 0 06 2014 Stereoping Germany Hattingen 2014 ...

Page 2: ...ort stereoping com This building instructions came out quite large because we don t want you to make mistakes or experience any problems in building this module The kit and the instructions were developed very thoroughly and are verified multiple times If you follow the instructions your module will work perfectly at once Nevertheless we can not be held responsible for any problems or damage cause...

Page 3: ...own Gold 2 x 1 k Brown Schwarz Red Gold 4 x 2 7 k Red Purple Red Gold 8 x 10 k Brown Black Orange Gold 3 x 24 k Red Yellow Orange Gold 1 x 33 k Orange Orange Orange Gold 1x 82 k Grey Red Orange Gold 2 x 100 k Brown Black Yellow Gold 1x 150k Brown Green Yellow Gold Building instructions Eurorack Spring Reverb V1 0 06 2014 Stereoping Germany Hattingen 2014 ...

Page 4: ...o 10 µ 1 x Elko 33 µ Hint 1µ means 1 Mycro Farad or 0 000 001 Farad Farad is the unit for electrical capacity 1n means 1 Nano Farad or 0 001 µF 1p equals 0 001 nF which is the same as 0 000 000 000 001 F which in fact is very very small Semiconductors 1 x IC NE5532 operational amplifier 1 x IC TL072 operational amplifier 1 x IC TL084 operational amplifier Others 2 x IC Socket 8pin 1 x IC Socket 14...

Page 5: ...ourself to be a professional you probably will not need this building instructions The following three points must be taken in consideration even by professionals to ensure everything fits together in the end 1 The jacks will not center themselves perfectly by just putting them in their drilling holes We must center the jacks with help of the frontpanel BEFORE we solder them 2 The power pinhead an...

Page 6: ...o cut the wires from the parts after having them soldered onto the pcb a long nose plier for getting the rippled nuts onto the the jacks a multimeter to check the operation voltage before attaching the ICs Intergrated circuits a philips screwdriver mid size for the screws to hold the frontpanel and pcb together Building instructions Eurorack Spring Reverb V1 0 06 2014 Stereoping Germany Hattingen ...

Page 7: ...charged The pcb has a white silkscreen side This is the side we put the parts on with exception of the power pinhead and the cinch jacks The pcb should be lying in front of you with the pinhead in the lower right This is the relevant pcb orientation when we talk about something like diode in the upper right corner of the pcb Building instructions Eurorack Spring Reverb V1 0 06 2014 Stereoping Germ...

Page 8: ...r sides The notch tells you where to put the side of the IC with pin 1 which is quite important A wrongly attached IC gets a wrong power supply which might destroy the IC Some ICs have a notch others have a small circular indentation on the top of the body on one of the shorter sides This notch must match the printed outline of the socket on the pcb see picture Start by just soldering one leg in a...

Page 9: ...ad IMPORTANT The pinhead is soldered on the backside of the pcb which is the side without silkscreen where we normaly solder the parts Put the pinhead with it s short legs ahead onto the pcb and solder it from the silkscreened side Building instructions Eurorack Spring Reverb V1 0 06 2014 Stereoping Germany Hattingen 2014 ...

Page 10: ...irst pic to the right do not solder them yet The contact might have beed bend a bit to ensure the jacks to slip into position Put the frontpanel over the jacks and add two of the screws now with polyamid discs above and below the EQ drilling holes to clamp pcb and frontpanel together now your jacks are neatly centered You can use your forefinger and thumb to press pcb and frontpanel together helpi...

Page 11: ...stor is marked on the silkscreen with a R the symbol is a line connecting two drilling holes The value for each resistor is color coded you find the appropriate color code in the bill of material Grab the 220 Ohm resistor with it s colors Red Red Brown Gold Now find the place on the pcb saying R25 220 meaning put a resistor in here with the value 220 ohm It is in the middle on top between the two ...

Page 12: ...n on the pcb they have a Plus and a Minus end More on that later The ordinary capacitors without polarization are smaller we start with them These are the values Like you already did with the resistors you can help yourself here in the same way by bending the small legs of the capacitors to prevent them from slipping out of the drillings while turning the pcb upside down for soldering Building ins...

Page 13: ... small Elkos looking the same at the first glance Having a closer look reveils their values printed on their body 1µ 2 2µ and 10 µ These values you will also find in the silkscreen So you can add them now Please remember they want their longer leg in the drilling hole marked with a The big 33µ Elko will be soldered at least This is the way your pcb should look afterwards Building instructions Euro...

Page 14: ...So plug a cinch jack completely into its drilling and lift it s nose up just before the point when the first contact starts to slip out of the hole Hopefully the upper pic will clear this step up a bit Now turn the pcb it should look like the lower pic to the right The 3 pins in the front are fully pressed through the drilling the single pin in the background just a bit Now solder the jack with a ...

Page 15: ...ut of it s drilling for about 1 cm 0 4 inches It s wires are long enough this way to be bent and allow the elko to lie flat on the pcb as you can see in the lowest pic If you prefer you perfectly can bend it FIRST and solder AFTERWARDS Keep an eye on the right polarisation the golden stripe is the minus end and should point towards the eq pots Building instructions Eurorack Spring Reverb V1 0 06 2...

Page 16: ...into position There might be some force necessary for the metal clamps to snap into their dilling holes on the pcb Try to grab the pot on it s base and wiggle it into position with slight left right movements Try to not holding it on it s axis or pressing directly from above Everthing up to this point worked well GREAT Now there is is still one thing which can go awfully wrong If you won t pay att...

Page 17: ...ng the pot to turn harder than the others In even worse scenarios the frontplate will not make it over the pots at all The pics above show you how to do it green and what mistakes you should have a look for red Building instructions Eurorack Spring Reverb V1 0 06 2014 Stereoping Germany Hattingen 2014 ...

Page 18: ...lder one or more pins and check AGAIN from all sides It might help to attach the frontplate to have an overall look If you are perfectly sure all pots are straight solder the metal clamps to give the pots a mechanical strength and do not be stingy with solder All parts should have found their places on the pcb now and in front of you there are just 3 ICs remaining apart from the redundant resistor...

Page 19: ... of your module system The power connector is compatible to eurorack doepfer standard as you can see in the following pic Attach the power cable like on other eurorack modules with the red wire pointing to the bottom of the module Building instructions Eurorack Spring Reverb V1 0 06 2014 Stereoping Germany Hattingen 2014 ...

Page 20: ...ave the red wire bottomside Switch on the power supply Grab your multimeter and check the voltages like in the following photo You can get Ground on any of the pots metal clamps Building instructions Eurorack Spring Reverb V1 0 06 2014 Stereoping Germany Hattingen 2014 ...

Page 21: ... we can do the following we grab the IC with both forefingers and thumbs from the top at it s short sides Then we lay it on the table with the complete leg row and bend the whole leg row a bit inside by twisting the IC carefully away from us Try to not only bend the thin part of the leg bend the WHOLE leg which starts directly at the devices body The IC should fit perfectly above the sockets holes...

Page 22: ...t anywhere quite cheap and in different lengths Sometimes it can happen that electrical fields from the cabinets power supply are spreading hum or noises in your reverb tank or the module cable jacks if it resides near the power supply With a longer cable you can easily find a place apart from the PSU where the noises disappear Building instructions Eurorack Spring Reverb V1 0 06 2014 Stereoping G...

Page 23: ...ide of the pcb The other red jack on the other end of the cable connects to the reverb tanks Input jack The black side of the cable connects the tanks Output with the Return jack of your module Building instructions Eurorack Spring Reverb V1 0 06 2014 Stereoping Germany Hattingen 2014 ...

Page 24: ...Now open the Send Level slowly maybe to 9 00 o clock The reverb sound should come to hear Turn Mix slowly up to fullmost right you will just hear the 100 wet reverb sound If reverb gets to loud compensate by decreasing send level Play around with the Current Limit Trimmer and the Equalizer to get a feeling for the sound palette of the module Now turn Mix back to have more dry than wet ratio and sl...

Page 25: ...ks as it should Now take your time to attach the frontplate and screw the nuts on the jacks with a long nose plier or other some suitable tool Be careful not to scratch your cute frontpanel Building instructions Eurorack Spring Reverb V1 0 06 2014 Stereoping Germany Hattingen 2014 ...

Page 26: ...ltage supply 12 Volt compatible to Eurorack Doepfer Standard Width 12TE 60 Millimeter 2 36 inch Depth ca 35 Millimeter 1 38 inch Building instructions Eurorack Spring Reverb V1 0 06 2014 Stereoping Germany Hattingen 2014 ...

Page 27: ...rmission of the author for any use Adresse Stereoping Gregor Zoll Musikelektronik Waldstrasse 52 45525 Hattingen Germany E Mail hallo stereoping de Homepage http www stereoping com Building instructions Eurorack Spring Reverb V1 0 06 2014 Stereoping Germany Hattingen 2014 ...

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