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 (nobody)...and 371 guests Last 5 registered Oplandisks nothingstar N_loop yipe foxtrotromeo Browse members... |
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is here anyone using a dj mikser in which you can change the crossfader curve? if you could please take the cover of your mikser and look inside i would be really grateful. i wanted to ask if the crossfader curce is just regulated by a simple knob or is there a whole mechanism for it? why am i asking? i have an old reloop rmx-2 mikser which is just to old to sell but not old enough to throw away. i wanted to buy some new crossfader to it and make myself a curve regulation. i discovered that on the vestax crosses for example there are two connectors - one for the audio and a second for something ti change the crossfader curve. and know i repeat my question - is there just a knob linked to it or is there a whole electronics unit or whatever... pics would be great... |
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the curve is usually adjusted by a knob, but I guess the knob isn't the only part of the mechanism changing the curve and I wouldn't really know where to look... wait until dave_g logs on and bump.. he may know. |
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I think it has something to do with voltage or optically controlled faders. as long as I can use it to fade crosses I'm content |
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Depends on the sort you get. I've got a digital fader in mine (PMC06 Pro D). Aside from having insanely good longevity, it lets you have more complex things than the basic fade between sharp/soft cut in. For example, it has a square wave one that makes rhythmically perfect, crab-sounding scratches a doddle. There was talk of one a while back that was in development that you linked to a pc via USB and could UL curves (made in a basic wave editor on a pc) to it, but I can't remember what happened to that. I think the more common older style ones are just some sort of voltage thing that changes the resistance in some way to get the effect (crossfaders are themselves essentially just variable resistors). |
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i want something really simple - the reloop vca cut faders for example cost like 25 dollars a piece. i also discovered that these reloop ones are really big - seems like the cut regulation is already built into them... i may be wrong. |
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I think that calls for the scratch sample, "No-nu-no no fader!" I've used faderless mixers for DJing before and really don't get on with them. I've quite often just used the upfaders (IE no crossfader), but other than better longevity of the pots compared to normal faders (if only because you can't scratch them) I really don't see the benefits. They're also generally really expensive too (Vestax R1, Allen & Heath XONE V6, etc). If you just want a cheap adjustable x-fader between 2 channels, you could try chaining into your existing mixer? |
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no - rather not... it seems quite big - mine is about 1/3 of these dimensions |
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I wasn't talking about trying to shoe-horn that fader into your mixer! :) I meant you put that mixer going into one channel of your current one, so you effectively have a 3 channel mixer (one will be spare on your current mixer), 2 channels of which you can xfade between with the new variable crossfader. The only problem with chaining budget mixers is that the signal quality degrades noticeably, whereas with better ones, you can put several together and barely notice it. If you still don't understand email me and I'll try to send a photo of my setup (I operate with something similar) showing what I mean. Hope this helps. |
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of course i undestand you - but i rather want to keep the setup clear and compact. i already pimped my rmx-2 so that it just has about 1/2 the size than the original :D i just cut a few useless thinks out :D |
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Clear and compact you say? Variable cut in crossfader you say? You need a Vestax PMC-06 :D 6" of scratch perfection with a variable crossfader. |
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did i say cheap as well ? :P |
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The crossfader controls a voltage controlled amplifier. Traditionally, the xfader would have channel x audio at one end, channel y audio at the other and the wiper would pick off somewhere between the two. Move the wiper to change the ratio of channel x/y. With curve adjust, the crossfader controls a DC voltage, which varies the gain of the VCAs (voltage controlled amps). The gain is inverted on one, so as one gets louder, the other gets quiter. The curve adjust alters the effect the crossfader has on the gain of the amps. I am not familiar with individual circuits, but I guess it must vary the amount of feedback to adjust the sensitivity of the fader or something. I've got the RANE mixer circuits somewhere, I will dig them out and have a look if anyone is ~really~ intersted. I'm not really sure of the question, but basically you will need a dedicated circuit for curve adjust, not just add another pot, if that's what you are asking (?) Infact this has got me interested, I'm going to have a think about this and try and design my own curve adjust circuit because I'm that cool and have such a life ;) If you have the cash, get the 06D, like Ceri, the part time Vestax salesman says. I have the 06A and that rocks too, but hey get the D, its digital man, and doesn't have the 1990's faux champagne cilla black luxury look. wooo. If I sent you pics of the inside of the mixer, it wouldn't make any sense, you need schematics my good man. If you can read electronics, you can see the RANE circuits online. I can give you the url if you are interested/sad enough. |
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I AM interested. i am even really interested. |
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ok the RANE website has a very nice reference section : . well worht a look anyway to find out what things mean. The circuits are all here for olde stuff: Try looking on the TTM54i circuits, sheet 6 of 9 to see how its done for this mixer: http://www.rane.com/pdf/old/ttm54isc.pdf |
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I agree with what he says. Particularly the bit about the champagne colour of the Pro A. I've got a PMC-270A which is the same colour and it looks about as classy as Jordan. In all seriousness though, I'd go for a Rane unless you really want a 6" mixer if you have to pay current prices for the Pro D (I got £100 off mine) and if you can't stretch to that, get a second hand Pro A and then take the face plate off and respray it. Good to see you dave_g. Since we last spoke I've gotten a couple of M447s for my decks. I really wanted the Ortofon Concorde Scratch carts, but the difference in cost (I got a pair of M447s for £65) for the slight performance and sound quality improvements of the concorde wasn't justifiable. Needless to say, they track insanely well and unless the vinyl is "big holed" or warped, you have to be really cack handed to skip it. |
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what else could you recomend me if i would go for a new mixer? the denon dn x-100 are heavily cheap now... about 800 zloty (200 dollars) - that's about the price of a reloop scratch! |
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okay i found something really useful - there are crossfaders with different resistances. most of the mixers use 50 kohm. but there are also 20 and 100 kohm crossfaders out there. i read on a forum that someone put a higher resistance crossfader into his mixer which resulted in a sharper cut in his mixer... interesting |
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i think i finally found the solution - check that out ! |
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bump |
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