![]() ![]() The Profi connector, unlike other male RCA connectors (except, of course, Profi imitators, if there are any) makes ground connection first and breaks ground connection last, so there’s never any risk of embarrassing or expensive consequences. The proof that - even if you haven’t personally experienced them - loud noises and blown speakers or electronics are common problems with improper RCA connection can be seen in the fact that no less a company than Neutrik, a respected Liechtenstein connector manufacturer heavily into pro audio, has seen fit to design a product - the Neutrik Profi RCA connector - to protect against them. ![]() ![]() The way you’re supposed to prevent such problems is to either turn off the equipment that you’re making or breaking contact with or to at least set (if it has one) the selector switch on the next device down-line to some other input before making or breaking the connection. The result is that - because all of us are at one time or another either lazy or forgetful - at least most of us have found ourselves either making or breaking an RCA connection the wrong way and being treated to (at least) a loud horrible noise from an ungrounded “hot” lead or even to some blown speakers and/or electronics. One of the proble ms that I, and probably most other audiophiles, have had with RCA connectors is that they are normally designed so that the “hot” lead (the center pin) of the male connector makes contact with the hot lead of its matching jack before ground connection (by the outer ring) is made. In this one, I want to continue with that subject and, hopefully, finish it off and go on to other connector issues. In the last couple of installments of this continuing series, I wrote about RCA connectors, touching on their impedance weirdnesses and on potential problems with magnetism and the metal that they’re made of. Twitter Facebook Email Print LinkedIn Pinterest SMS WhatsApp ![]()
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