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<blockquote data-quote="Henry Cohen" data-source="post: 42029" data-attributes="member: 123">Re: 131st AES Convention ObservationsAnd . . .Let&#039;s remember that our RF usage within the world of entertainment is an insiginifcant market application compared to cellular/PCS and satellite services. They&#039;ve suffered severe performance degradation due to IMD from both saturation and mixing for well over two decades. As such, there are now devices and components in the supply chain with very high linearity, IP3 (saturation point) and low noise specifications. Further, over the past ten years the phenomenon of passive IMD (&quot;PIM&quot;) (IMD occurring in passive components) has been identified and studied, and products designed and built specifically for low PIM performance have been on the market for the last few years. None of these advanced design and manufacturing processes (and thus the final products) are cheap so it&#039;s only after several years of production has the economies of scale permitted adoption by the smaller RF players.Shure has [not so] simply taken present day knowledge and manufacturing capabilities and applied it to the Axient series (at an added cost), thus one would expect it to perform better than a 12 year old design (the UHF-R).</blockquote>

[QUOTE="Henry Cohen, post: 42029, member: 123"] Re: 131st AES Convention Observations And . . . Let's remember that our RF usage within the world of entertainment is an insiginifcant market application compared to cellular/PCS and satellite services. They've suffered severe performance degradation due to IMD from both saturation and mixing for well over two decades. As such, there are now devices and components in the supply chain with very high linearity, IP3 (saturation point) and low noise specifications. Further, over the past ten years the phenomenon of [I]passive[/I] IMD ("PIM") (IMD occurring in passive components) has been identified and studied, and products designed and built specifically for low PIM performance have been on the market for the last few years. None of these advanced design and manufacturing processes (and thus the final products) are cheap so it's only after several years of production has the economies of scale permitted adoption by the smaller RF players. Shure has [not so] simply taken present day knowledge and manufacturing capabilities and applied it to the Axient series (at an added cost), thus one would expect it to perform better than a 12 year old design (the UHF-R). [/QUOTE]

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