Joel: The trouble with lifting shields is that the shield can becomes an antenna, right?

Neil: Not necessarily. Lifting a shield at the receive end will stop a Pin-1 problem. If you are in a high RF environment, connecting a small capacitor between the shield and the chassis should divert any stray RF to the chassis.

Joel: So you are lifting the shield at audio frequencies and keeping the connection at radio frequencies.

Neil: Right on.

Another Dave: Good evening Neil, I just got here so I don't know if you've talked about this yet. What about telescoping shields, as in lifting all shields at the console. Is it a good idea?

Neil: Telescoping is what happens when you plug one cable into another. You can't lift mic line shields because you lose phantom power.

Nicole Like: How long has SurgeX-type protection existed? And, what's the next step in surge protection going to be?

Neil: SurgeX has been on the market for over five years. Our next step is SurgeX ICE, the new kid on the block. And, a higher-current SurgeX is in the thinking stage. Film @11!

Joel: I once read that in RF installations, you have to use multiple grounds. With all this digital equipment sending signals, are we not getting to a point where we have to consider this instead of the one ground connection?

Neil: YES. There is a transition between analog and digital that implies that at frequencies much above 100 KHz, multipoint grounds are required. The IEEE Green and Emerald books go into this in great detail.

Joel: Thanks for sharing, Neil!

Moderator: Thanks to Neil Muncy and to all of you who participated. A transcript of tonight's chat session will be posted ASAP on PSW Chat Page.

Neil: Thanks to all.

Moderator: Upcoming PSW live chat sessions: Ray Rayburn on June 19, Ken Berger on July 2, Larry Droppa just switched to July 11. Also feel free to continue the chat in the various PSW chat rooms active 24 hours a day.

Moderator: Good night from InfoComm.