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Re: Microphone switching among different type rigs

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  • k5lr_bill
    Thanks, Jim. Appreciate the comments. Good idea about the blocking cap. 73, Bill
    Message 1 of 3 , Sep 10, 2012
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      Thanks, Jim. Appreciate the comments. Good idea about the blocking cap.

      73, Bill

      --- In stationpro@yahoogroups.com, "Jim Garland" <4cx250b@...> wrote:
      >
      > Hi Bill,
      >
      > You shouldn't have any trouble using an MD-100 with all the rigs. You just
      > wouldn't wire up the mic connector pin on the MD-100 that provides the
      > voltage for the electret mic. I wired both of the mic jacks on the SP2 in my
      > modern station (currently a K3 and an FTDX5K, though I've also used an
      > IC-7700) with the Yaesu pinout, wiring all 8 pins. Then I wired my various
      > microphones with matching 8-pin connectors although, like you, I typically
      > only used the PTT and mic +/- wires. With an Icom mic, I also wired the
      > electret voltage pin. I think maybe Elecraft uses that as well.
      >
      >
      >
      > I don't recall the exact details, but I believe I also added a tiny
      > electrolytic (1 uF or so) on the pod PCB for my Icom radio. The electrolytic
      > kept the electret DC voltage from the Icom transceiver off the Mic + wire
      > going to the StationPro, the purpose being to allow non-Icom mics, like the
      > MD-100, from seeing the voltage. BTW, I currently use a Heil mic and my
      > all-time favorite, a Shure 444D, on my modern station. I used to use an
      > MD-100, which I liked a lot, but I stupidly sold it and "upgraded" to an
      > MD-200, which I hated. So I sold that and am now back to my old standards.
      >
      > 73,
      >
      > Jim W8ZR
      >
      >
      >
      >
      >
      >
      >
      >
      >
      > for tIf you want to use your SM-20, then you use
      >
      >
      >
      > _____
      >
      > From: stationpro@yahoogroups.com [mailto:stationpro@yahoogroups.com] On
      > Behalf Of k5lr_bill
      > Sent: Monday, September 10, 2012 9:26 AM
      > To: stationpro@yahoogroups.com
      > Subject: [stationpro] Microphone switching among different type rigs
      >
      >
      >
      >
      >
      > Just starting to put together a StationPro II, and am trying to work out how
      > to handle the microphones.
      >
      > I have a Drake T4XC, an IC-765 with the SM-20, and a Flex 5000 (uses Yaesu
      > MD-100 type mics). Not concerned with aux functions like up/down, just want
      > the audio, ptt, and, should I settle on the MD-100 or SM-20, the internal
      > preamp / tone controls.
      >
      > The Drake and Flex take dynamic mics, the Icom an electret.
      >
      > I would prefer to use the MD-100 with all three rigs. Anyone done this?
      > Problems and solutions?
      >
      > I have also considered getting a Heil mic and incorporating the rig adapters
      > at the Pod end of the SP.
      >
      > Any suggestions?
      >
      > 73,
      >
      > Bill / K5LR
      >
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