Conductive Graphite Shield Shielding Paint - Reduces Guitar Hum & Buzz

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Vendeur: Top-Rated Seller catmusic99 (16.888) 100%, Lieu où se trouve: Coulsdon, Lieu de livraison: Worldwide, Numéro de l'objet: 171335822312 GUITAR SHIELDING PAINT REDUCE HUM, BUZZ and RADIO INTERFERENCE in your ELECTRIC GUITAR or BASS Graphite based shielding paint with ONLINE instructions. Please beware of inferior products copying our part number and listing titles! Resistance typically 8 ohms/sq on any substrate - excellent adhesion to most materials. The paint is packed in 30ml (approx. 1 fl oz) bottles. One bottle is enough for 2 coats on a typical famous three-single-coil-pickups guitar. Select the amount you need from the drop-down menu - the main picture will change to show the number of bottles you will receive; 30ml = 1 bottle, 60ml = 2 bottles, 90ml = 3 bottles, 120ml = 4 bottles, 150ml = 5 bottles. The recording here shows the effect of shielding a guitar with single-coil pickups. For a full range of shielding kits and accessories please see my other items. When properly applied to the pickup and control cavities this paint will significantly reduce hum and noise from ANY un-shielded electric guitar or bass. Mains hum and buzz from lighting dimmers will be greatly attenuated, letting you hear low-level harmonics and detail that were previously masked by the noise. Even guitars with humbucking pickups may have un-shielded wiring, pots and switches, so may benefit from this paint treatment. The outward appearance of the guitar is unchanged. The paint is specially formulated to be effective at audio frequencies. Many other shielding paints are designed to combat radio frequency interference (mobile phones etc.) and aren't very effective at audio frequencies. This paint can also be used for EMI / RFI shielding of rigid plastic equipment cases. See the end of the listing for some background information on how shielding works. Please Note: All guitars are different. The degree of noise reduction you obtain from using this paint will depend on several factors, e.g. pickup type, internal wiring layout, and any shielding already fitted (existing shielding paint may not be obvious), so please check your guitar before buying, and if in doubt contact us for advice. You are purchasing guitar shielding paint with online instructions ONLY. Any other items shown in photographs are for demonstration purposes only and are not included in the sale. HOW IT WORKS To get a good sound from your guitar you probably spent more than the price of this kit on a decent cable to plug it in to your amp. That cable will have a heavy copper shield to prevent the central "hot" wire (that carries the guitar signal) from picking up noise in the form of hum, buzz and radio transmissions etc. Unfortunately, it's very likely that on the inside of the the guitar the hot wire, pickups and controls will be completely unshielded. This kit enables you to continue the screening effect of the cable inside the guitar, greatly reducing the background noise - especially on guitars fitted with single coil pickups. This is achieved by coating the pickup and control cavities with a specially formulated conductive paint, and covering the underside of the pickguard or control cover with heavy duty self-adhesive copper foil. These are both connected to the cable screen. This has the effect of enclosing all of the guitar’s electronics in a conductive box which is connected to ground. Any noise that would previously have been picked up and amplified along with the guitar signal is now mostly shunted to ground, giving a much cleaner signal. In a live situation, buzzes from lighting dimmers are greatly reduced. In the studio, the improved signal to noise ratio makes everything easier— you'll spend less time walking around the room or spinning on a chair trying to find the sweet-spot where the noise nulls out. And the guitar just sounds better - low level harmonics that were previously buried in the mains hum and noise are now audible, making the overall sound richer and more dynamic. Don't assume that expensive guitars will be shielded properly - many famous manufacturers do little or nothing to shield their guitars regardless of price. The screening on some £1000+ guitars really is almost non-existent, and you can probably guess which manufacturer is the worst off-ender ;-) The Test The recording here and the graph in the listing images are the results of a test to measure the effect of applying the shielding kit to a stock famous three-single-coil-pickups guitar. For a £750 guitar, the level of screening fitted as standard is very poor indeed - just a small piece of aluminium foil stuck to the pickguard around the the controls - virtually useless. The guitar was set on a stand 1m from a 1980's valve combo. All of the controls on the guitar were set to maximum, with the pickup selector set to the mid position. The amp controls were all set to "flat", with the volume at minimum. To simulate stage conditions, some thyristor dimmer controlled lighting (the type used in stage lighting rigs) was switched on and set to 50% dim (the noisiest setting) 2m from the guitar. The guitar amp was then switched on and the volume increased to a typical playing level. A recording of the background noise was made, and a 3D plot of this recording can be seen in the "mountain range" on the far side of the graph. The yellow peak to the left is 50Hz mains hum, and the following green peaks are harmonics of this. The blue peak is the buzz and associated harmonics from the dimmer. The guitar was then removed, and everything else was left exactly as it was, including mic position, pre-amp settings etc.. The screening kit was applied to the guitar, and it was put back in the stand. The amp was switched on again and another recording of the noise was made. This can be seen on the near side of the graph (separated from the first recording by a short silence, which appears flat). As you can see, the noise at all frequencies is considerably reduced, especially the really annoying buzz from the lighting dimmer. Some mains hum remains. This is unavoidable with single coil pickups. The only way to reduce it further is by shielding the pickup covers, but most people would find this unacceptable as it will change the sound of the guitar - some of the top-end clarity and attack will be lost. (This is why you often see the front pickup cover removed). And the hiss? Well, hiss is usually due to the electronics in the signal chain, NOT interference, and will not be attenuated by shielding paint or foil . In this case the hiss is my 30 year old valve combo. Sounds great when you actually play something though ..... ;-) Condition: New, Parts Type: Conductive Paint, MPN: GS-CP30, Country/Region of Manufacture: United Kingdom, Brand: Cat Music, To Fit Guitar: Electric Guitar + Bass, Type: Shielding - EMI/RFI suppression

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