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Prism Sound Orpheus - Audio Media

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++APPLICATIONS + + + + APPLICATIONS+ + + + APPLICATIONS+ + + +Microphone ApplicationsI love microphones. I’m not particularlygeeky about them; I couldn’t tell youwhat valves the 1957 Polish version of theBlumenthal S86B used, or which particularHi-sonix H5050 was used to record BlindToots O’Flaherty’s jaws harp solo on Lou‘Onions’ MacDougall’s classic 1949 recordingof ‘My Baby Done Sue Me’. I don’t havea museum of pristine classics, lovinglymaintained with original parts tracked downfrom landfill sites in the Urals and rentedout at vast expense to true microphonecognoscenti for whom simply nothing elsewill do. When, glowing with pride, youshow me your vintage collector’s item, Idon’t sniff, “Ah, that’s a 1953 version isn’t it?For the real essence of that model you haveto go back a bit further. They changed thewire they connected the capsule with in 1952and it frankly ruined the sound.”Fading ThrillsThat said, there’s still a thrill on openingthe fader on a microphone I’ve never heardbefore, and real rewards to be had fromtrying something differewnt and findingit works; there’s also satisfaction frombeing able to anticipate what you’re goingto get from a particular setup, using whatyou know about polar patterns and a givenmicrophone’s inherent sound to achieve theresult you’re after.Of course for a very large part of what wedo, a cardioid microphone is ideal, and we’vegot a vast arsenal of those to choose from,with dynamic/condenser, tube/solid state,large/small diaphragm, vintage/modernand a hundred other options to consider, tosay nothing of the range of manufacturersfrom industry grandees to arriviste boutiquebrands. Everybody has an opinion, everybodyDave Foister discusses the applicationsand benefits of the often neglected omni andribbon mics.has their favourites (and their pet hates),although I doubt if there’s anybody anywherewho has knowingly heard them all.Interesting though they are, there’s anadditional fascination in the less familiarmics, with less familiar ways of doing thingsand a whole different set of capabilities.I sometimes get the feeling that in thetime-pressured world of the commercialstudio there’s just not time to messwith different ideas, and it’s mucheasier to use tried-and-testedfriends, or at least stuff thatyou know other peoplehave got good resultswith. So up go thefavourites, and that thingyou wanted to try withthe mic at the back of thecupboard will have to waitfor another time.Perfect OmnisI think omnis get a raw dealas a result. Everybody knowsthey make great spaced pairs,and orchestral recording usesthem as flown outriggers andcurtains, but they don’t getmuch of a look-in in ‘normal’studio sessions. For a start, it’snot always appreciated how muchof a difference there is between amulti-pattern condenser set to omniand a dedicated omni like the familiarones from DPA and Earthworks. Set a twindiaphragmcondenser to omni and you gettwo back-to-back cardioids summed.Any deviation from perfect cardioid sumsto twice the deviation from a perfect omni,and nobody should be under any illusionthat such a microphone is capable of perfectcardioid pickup at any frequency; look atthe variation of pattern with frequency andit all starts to look horrible. A microphonelike this can only give a rough semblanceof omnidirectional behaviour, and will alsoprobably retain some proximity effect asa result.‘Proper’ omnis on the other hand exhibitno proximity effect whatsoever,so can be used as close to asource as you like withoutany bass tip-up. Thisraises an interestingthought for those whothink cardioids arethe way to isolateinstruments andreduce spill. Lookat a cardioid pattern,and notice how littlethe response is down at90 degrees either side;the only truly rejectedarea is directly behindthe microphone, andfew models can achievecomplete rejection there atany frequency. Most in factbecome pretty much omniat high frequencies, meaningthat the spill pickup is huge andextremely coloured. The way toimprove separation is to move themic closer, but you quickly run intoproblems with proximity effect and end upwith a booming sound that (a) pushes upthe overall level with signal you don’t want,and (b) has to be EQ’d to get back to thesound you were hearing in the first place.An omni on the other hand can be moved in6 MICROPHONE APPLICATIONS

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