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November 2013 l 43


livefeature


2. KV2 AUDIO EX12 “Designed to withstand rigorous operation around the clock” is Jonathan Reece-Farren’s capsule summary of the EX12 Extreme Resolution Active Speaker from KV2 Audio, the company of which he is UK managing director.


Reece-Farren, who points to the incorporation of Baltic birch construction with a wear- resistant polymer coating to help it cope with the most challenging of tour and install applications. Hence, too, the recent upgrading of the EX12 to include a new


“The enclosures are built out of ABS plastic, which is an incredibly durable bit of material, and ensures that if in the course of day- to-day usage it’s dropped it is very unlikely to crack”


Phil Sanchez, QSC


Delivering 500W of total power with a complete on-board speaker management system, the speaker is capable of 127dB sustained output (130dB peak) with very high dynamic range and low noise floor. Ensuring that the speaker was


highly durable was a key priority of its development, confirms


heavy-duty grill that makes the speaker “even more durable… It’s being rolled-out across the rest of the EX range as well.” Underlining Reece-Farren’s description of the EX12 as “a really reliable workhorse” is its deployment at a venue located near to KV2’s UK HQ – The


NOW THAT’S WHAT I CALL EXTREEEEME TESTING!


FBT Audio, Mark Parkhouse: “We export to countries all over the world, so our speakers have to be able to cope with contrasting environments.”


JBL, Rick Kamlet: “The testing in 24 days of sulphuric-acid air and being subjected to high pressure water jets are just some of the harsher situations the Control 25AV-LS has been subjected to…” KV2 Audio, Jonathan Reece-Farren: “All of our products go through extreme testing – from two-week on/off cycles as standard


practice, to attempting to shake our double 21” subwoofer to bits! Burning in of all loudspeaker components, load-testing of all amplifiers and electronics, heavy-duty thermal and overload testing, and vibration testing are part and parcel of our development processes.” Peavey, James Kennedy: “The first cabinet built [in the Elements series] was laid on its back, filled with water and left for a 90-day period. After


Peavey cabinets secured to a Mississippi lamp-post...


that period not a drop had leaked or escaped from the cabinet, there was no visible water damage or warping, and the dimensions were exactly the same before water was applied. Another test involved two units being secured to lamp-posts in the


parking lot at Peavey HQ in Meridian, MS, and exposed completely to the elements. The speakers were connected up and actually passed audio with scheduled stimulus checks for 90 days.”





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