Marshall Electronics MXL 990 Stereo Скачать руководство пользователя страница 4

 

Glass –

 Since I have a 3D printer, I always print on glass, and found it so much easier to cut the ribbon on glass. 

1

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 tape down your ribbon cutting guide, then some parchment paper, then lay the foil on the parchment, and 

top off with another layer of parchment paper.   I also just used some picture frame glass.  

 

 

Ribbon Alignment Jig –

 This 3D Printed part is probably the single most important thing I made. Getting the 

ribbon properly aligned and tensioned in the motor is really tough when you just lay the motor on your desk, 
and try to do everything free hand.  This jig allows you to place the Ribbon Motor in it, than drape the ribbon 
element across it to more easily align it, and put tension on it.  I used brass nuts, to hold the ribbon in place, and 
used a toothpick to slide them (the brass nuts) around to align and tension the ribbon.  The ribbon really needs 
something to help keep it aligned.  This really did the trick.  Then tighten up the clamps to hold the ribbon in 
place (one end 1

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, make final adjustments, then the other end).  If there was any one thing that I was happy 

about, it was this jig.  I literally was able to use my very 1

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 ribbon and got it done in like 5 minutes.  I attribute it 

to this tool.  After working on some other ribbon motors, I came up with a simplified version.  Both versions are 
included for download and print.  
 
 

 

Содержание MXL 990 Stereo

Страница 1: ...ies and upgrade rather than making a body from scratch This has some limitations with respect to the dimensions of the body but I think it gives a much more professional look At the same time you now...

Страница 2: ...lity Ribbon Motor and Transformer into one quickly turns them into sounding like a mic costing 1 000 or more 1st is a Series This is in fact the 1st in a series of Instructables with adjoining 3 D pri...

Страница 3: ...u to fold it in half and gently tuck your ribbon into it so you can corrugate it Once you cut your ribbon you need some place to gently stow it before you corrugate it Plastic Tweezers So much easier...

Страница 4: ...allows you to place the Ribbon Motor in it than drape the ribbon element across it to more easily align it and put tension on it I used brass nuts to hold the ribbon in place and used a toothpick to...

Страница 5: ...ame across a very simple arts and craft corrugator which works perfectly I of course wanted to 3D print some fancy contraption for it but the simple device works just fine 3D Printed Ribbon Motor Moun...

Страница 6: ...or bracket and transformer bracket o You can get them from Rick as part of his kit PLA 02mm 100 infill or print them yourselves getting them from Thingiverse below MXL 990 Upgrade http www thingiverse...

Страница 7: ...you want to go hog wild and buy a sheet of 1 8 micron foil it will set you back 25 plus shipping Not a whole lot of difference but I spent the extra money Hit the site below then email them with what...

Страница 8: ...take a screwdriver handle and push up on the inside of the grille to again return the top to where it is curved out You don t want to have the top of the ribbon element touch the grille as it will sh...

Страница 9: ...he metal plate I would suggest screws going through the ribbon element bracket with the nuts on the transformer side See that little Intent in the bottom there See the little grooves in the back of th...

Страница 10: ...e wires through the mic body BEFORE you solder them to the XLR connector Then solder the red lead to the pin which is pin 2 Solder the black lead to the pin which is pin 3 Slide the heat shrink over t...

Страница 11: ...e the metal plate into place Twist the transformer wires a bit as you go Then install the 2 screws to hold the metal plate in place and tighten up the side arm screws This is actually where I connecte...

Страница 12: ...ings easier later 16 Prep for dealing with the Ribbon using the cutting guide PDF a Use the ribbon pocket guide to 1st cut a number of pieces of parchment paper This will create 20mm wide strips First...

Страница 13: ...of the tweezers to float the foil out onto the parchment paper But don t manhandle the foil it will tear Carefully remove the ribbon foil and slide it onto the parchment paper You don t want it to fol...

Страница 14: ...into the pocket and once in tap the folded edge of the pocket on your desk to have the ribbon be straight along the folded edge This is important as when you go to crimp the ribbon this will help it s...

Страница 15: ...have picked up ii Clean with some alcohol don t use acetone it will loosen the superglue e Put the 4 screws used to hold the ribbon element brackets in Then flip the jig upside down and then put the...

Страница 16: ...and center the ribbon while sliding it back to put tension on the ribbon i You want enough tension to where the ribbon looks straight across the motor You don t want it to sag But you also don t want...

Страница 17: ...audio interface or mixer and give it a try NO PHANTOM Power You will need to turn the gain up pretty high What I recommend is to put an inline preamp close to the ribbon mic so it has some gain befor...

Страница 18: ...ssed with the purity of the sound It sounds great I like that this let s me quickly and easily re ribbon when needed and the alignment jig really makes installing a new ribbon a snap I hope you have a...

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