ADAPTER REQUIRED - Elmers Forum at eHam.net

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ADAPTER REQUIRED	Reply
by W8DMC on November 5, 2009	Mail this to a friend!
Who knows who has the, or sell's an adapter for a Audio Tech. ATR30 MIC, for the IC-706MKIIG plug, for use as the MIC? Thanks.

RE: ADAPTER REQUIRED	Reply
by K6AER on November 5, 2009	Mail this to a friend!
The Audio Tech. ATR30 MIC uses a XLR male connector and needs a female connector to interface the microphone t othe ICOM RADIO. You will need to use a .i uF capacitor in series to isolate the bias microphone hot connection to the microphone input. In addition you will also have to add a PTT line to key the radio. The XLR jack connections are: 1 Chassis ground (cable shield) 2 positive polarity terminal ("hot") 3 return terminal[2] ("cold") The IC-706 connections are: My Radio Shack Cable Colors versus Pin Number Color Pin # Function Blue 1 +8 VDC Orange 2 Freq. Up/Down Black 3 AF Output Red 4 PTT Green 5 Mic. Gnd Yellow 6 Mic. Brown 7 Gnd Gray 8 Squelch You will need the Mic Ground return-Pin 5 Mic. Hot- Pin 6 Shield-Pin 7 PTT Pin 4 to Pin 7 for XMIT For more information on projects for the 706-MKII-G go to: http://www.athensarc.org/706.asp

RE: ADAPTER REQUIRED	Reply
by VA7CPC on November 5, 2009	Mail this to a friend!
Bob Heil has the adapter as a stock item: www.heilsound.com You should read "All Things ICOM" on his site. He suggests leaving the IC-706 speech compressor "on", to get some extra mic gain, when using a dynamic mic like the ATR-30. Charles

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