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Scrumpy 'n' Western - Mag 4 Live Music

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FREE Every Month <strong>Scrumpy</strong> ‘n’ <strong>Western</strong> issue 10 vol 5JANUARY ‘09 25FACTS ABOUT AMPLIFIERSOr did you know? Part ThreeContinued from last months issue,which you can read, if you go to backissues page on the web site.The Archetypal ‘Guitar Stack’ with twospeaker cabinets each loaded with four 12”speakers came about partly because amplifiersin the 1960’s were growing in powerfaster than loudspeakers. While ampswere hitting the 100 watt mark, speakerswere rated at more like 30 watt. To compoundthis, the criteria speaker manufacturerswere using to rate their speakerswere a world away from the actual powerlevels created by a guitarist slamming outa chord with the amp on full tilt! So, puttingeight speakers in the cabinet was the onlysafe course. Cutting the cabinet in half tocreate two 4 x 12s was just a concessionto portabillity. Before PAs were as powerfulas they are now, a very loud back line wasthe only way guitarists could be certain ofbeing heard. Hendrix used three 100 wattstacks, while Richie Blackmore was notoriousfor using modded heads that reputedto put out 280 watt each! Many musiccritics and guitarists have said that part ofthe unique Jimi Hendrix sound came fromthe particular model of Celestion speakerfitted by Marshal to it’s guitar cabinets atthe time. Hendrix roadies have sinceclaimed that they used to replace thesewith higher powered, general-purpose 70watt Rola Celestions sold to everyone frombass players to home organists. Why?They didn’t blow up so often!Never remove the earth wire from a mainsplug to cure the hum caused by an ‘Earthloop’ when other equipment is in use. Usethe ground lift switch, if your amp has one,or talk to a professional repairer. Withmoulded plugs, removing the an earth wirefrom the mains is harder than it used to be,which is just as well: it can be fatal!In the UK, all portable mains powered appliancesused commercially are legally requiredto be tested by a qualified person.Electricians, and musical equipment shopsoften offer ‘PAT’ (Portable Appliance Testing).When the equipment passes, the testerwill put a sticker on each item, showingthe date too, plus the date for the nexttesting due. Some larger venues requirethat all equipment carries these stickers -and you may not be allowed to use youramps without them, due to insurance liabilityof the venues insurance company’sterms and condition of cover. This youshould always check, as well as your ownpublic liability insurance cover, which if youhave none then joining ‘The <strong>Music</strong>iansUnion’ offers excellent rates of cover, formembers at very competitive prices.TO ADVERTISE INTHESCRUMPY ‘n’ WESTERNTHE PRINTEDDISTRIBUTEDISSUE COVERS -BERKSHIRE * BRISTOLCORNWALL * DEVONDORSET * HAMPSHIRESOUTHGLOUCESTERSHIRESOMERSETWILTSHIREPLUS DOWNLOADABLEON THE -www.mag4livemusic.co.ukPHONE OR E-MAIL07919 315 433<strong>Scrumpy</strong>nwestern@aol.comWE LOOK AFTER OURADVERTISERS

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