Question 1

Can i use this on my mcx8000?

Accepted Answer

I'm not quite sure why a Denon MCX8000 stand-alone DJ controller would need a spray cleaner and lubricant intended for conductive plastic potentiometers in an analog signal path that are making a scratchy sound when they're turned. This tends to be a problem in vintage audio gear and audiophile equipment made the same way, not DSP controlled audio. I thought that that board didn't put analog signals through its pots, I thought it biases the resistance and uses the tap as a DC input for a multichannel A/D converter and the DSP uses the A/D value as a control value. AFAIK the major firmware update V2 resolved some fader issues.

Denon didn't use a magnetostrictive (no sliding contact) cross fader and this product is a reasonable idea to extend its working life, but it may make some small changes to the feel which can be a big deal to a scratch DJ. If its already worn out and you scratch this won't be a satisfyingly durable cure and you'll find you need to replace the crossfader.  The Denon part is $25 and you can extend its life with contact lubricant or you might want go with the 3rd party non-contact crossfader for about $100. Even after upgrading the crossfader the total for the Denon is still a few hundred less than the Pioneer XDJ-RX or RX2 which are equipped with a non-contact crossfader as delivered. I haven't heard of anyone using non-contact channel faders, if its that there's no harm trying this before replacing the fader.

As a more generic answer, yes, its a general purpose product for "cermet" and other conductive block potentiometers. Its not for thick/thin film or wire-wound types, but those types have a limited number of wipes and aren't used for controls that are frequently moved. The spray contains a propellant, a volatile (evaporates quickly) solvent to dissolve and remove contaminants in the sliding interface (typically skin oils that have migrated down the shaft and condensed volatile organics -typically from food preparation), and 5% of the liquid is a stable oil (one that doesn't oxidize into a brown organic acid or polymerize into a sticky plastic sludge) to reduce friction slowing slider wear and the loss of the finger plating, and for fingers that have already lost their plating it slows the formation of a surface metallic oxide layer by excluding water vapor. The down side is that dust which is always wiped from the contact path tends to become trapped adjacent to the wiper path and be carried back into the track as the oil spreads back in after the wiper passes. In a very dusty environment where dust is the primary problem for the wiping contact, the oil can be counter-productive and a spray cleaner without an oil is preferable.

Question 2

can this product be used for my light and blinker switches of my motorbike, its made of plastic? Need to keep the switches free.

Accepted Answer

Use dielectric grease instead. This will work for a while but the oil isn't stable with arcing contacts and will gradually make a dark gooey film that interferes with the contact resistance and has to be cleaned off. The dielectric grease isn't a classic oil and soap grease that traps the oil in the soap strands. Its a high molecular weight (thick) siloxane oil with finely milled pure silica powder as a thickener.

Question 3

Would i have to remove the top panel of my peavey fx2 mixer to be able to use this?

Accepted Answer

I would remove the top panel. It will allow you to apply the deoxit only where it's needed. I alloy a couple of short bursts using the tube applicator while running the slide back and forth to full travel then a more liberal dose again running the slide to limits on both ends. This first round breaks up any build up, dust, coffee, whatever is giving you grief then the second completes the clean and rinses. Make sure to have a catch cloth, paper towell under the switch so that rinsed out debris and extra deoxit doesn't get on other sensitive components. I use compressed air to blow out the switch before I start and after the rinse. Wait about 10 minutes before powering up. Deoxit also makes a fader lube that will restore tactile feel and help repel build up of contaminants on this type of switch. This product line it top notch and I have saved literally hundreds of volume, gain and slider controls and switches with it. Not cheap but lots cheaper than trying to replace an easily cleaned control. It it sounds scratchy, most likely all it needs is a good cleaning. Just clean it right.

Question 4

what is best clean corrosion and lubricant truck to RV elec plug?

Accepted Answer

Just use electrical contact cleaner for this.
If really corroded.....cut a piece of sand paper to go over it first.
When clean, put a thin film of dielectric grease in socket.

Manufacturer	Hosa
Brand	HOSA
Product Dimensions	25.4 x 5.08 x 10.16 cm; 209 g
Item model number	F5SH6
Manufacturer Part Number	DeoxIT Faderlube F5S-H6
Special Features	From Hosa, the Cai-Lube Fader Lubricant is used to lubricate faders on all audio mixers and treat oxidized fader components that are usually the cause of fader noise and audio leakage.
Item Weight	209 g

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HOSACAIG DeoxIT FaderLube Lubricant 5 oz.

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