Yup A little bit of common mode Russ KD4JO
Sent from my T-Mobile 4G LTE Device -------- Original message -------- From: Clay Autery <[email protected]> Date: 6/7/18 5:16 PM (GMT-05:00) To: [email protected] Subject: Re: [Elecraft] [K3] Heil 600 ohm balanced mic (PR40) connecting to rear And if for some reason you have a TRS available and not TS connector.... just wire the ring and shield to Pins 1 and 3, and still pin 2 to tip. ______________________ Clay Autery, KY5G (318) 518-1389 On 06/07/18 13:59, Bob McGraw K4TAX wrote: > If you wish to make your own cable using a XLR connector and a 1/8" > Tip-Sleeve connector, XLR pin #2 connect to Tip, XLR pin #3 and pin > #1 to the Sleeve. In the XLR world, pin #1 is ground/shield, pin #2 > is hot (+ve) and pin #3 is cold (-ve) Thus for unbalanced use, pin #1 > and pin #3 must be connected. > > Also, the mike bias must be OFF via the configuration selection in the > radio. > > 73 > > Bob, K4TAX > > > On 6/7/2018 11:06 AM, Michael Blake wrote: >> Mike, I connect my EV-RE50ND to the rear 1/8” connector on my K3s >> without issue. You need an XLR to TS 1/8” male cable or adapter. >> The mic does not care if it is balanced or unbalanced but if you use >> an XLR to TRS adapter the ring will be floating free and will cause a >> problem. >> >> You can buy the correct 3 pin XLR to 1/8” TS Male cable at your local >> Guitar Center or similar place for less that $20…. >> >> Select the rear mic. Gain high and bias off. The very same mic and >> cable also work perfectly with my KX3. >> Michael Blake >> [email protected] <mailto:[email protected]> >> >> >> >> >> >> >>> On Jun 7, 2018, at 11:56 AM, mike <[email protected]> wrote: >>> >>> I would like to connect my 600 ohm balanced mic PR 77D to the K3s >>> rear mic >>> connection. The mic connector is XLR 3-pin. I cannot figure out if >>> the K3 >>> rear connection can accept a balance mic. The adapters I have tried >>> produce >>> hum and lead me to believe they force it to unbalance. >>> >>> Any help appreciated. 73 ..mike AI6II ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

