Looking for high quality Microphone for FLex 1500
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Looking for high quality Microphone for FLex... Expand / Collapse
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Posted Monday, March 11, 2013 11:15 AM
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I have been having trouble locating a microphone that would drive the Flex 1500 to achieve the 5 watt output on USB. I am trying to locate the microphone that would be optimal with the Flex 1500.
I am currently using a Heil GM-5 but can only get max of 2 watt drive.
I am not able to get 50 percent transmit....
all suggestions would be much appreciated.

thanks

WA5GM
Gordon


Gordon C Martin
Post #6448
Posted Wednesday, March 13, 2013 5:16 PM
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Gordon,

The 1500 has a lot of input gain. Are you sure you have the "Drive" at 100 % and the mic gain where it is peaking "0" dbm in the Mic TX metering? The Mic gain slider should be between 10 and 35 or 40 .. Any lower, too much input audio and need to adjust the Mix menu at the top of PowerSDR.. Here is a good way to set up your mic audio by Rob, W1AEX .

http://helpdesk.flexradio.com/entries/21938803-TX-Audio-Setup-Procedure-by-W1AEX-Rob



73,

Dudley

FlexRadio Systems Support
512-535-4713, Option 2
http://helpdesk.flexradio.com
Post #6456
Posted Monday, March 18, 2013 12:51 PM
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Be careful not to rely on the FLEX-1500's "power output meter" and an indication of actual power output, it is a calculated figure and not an actual measurement. Also note that you may only register about 20-35% readings on SSB when getting full power output on SSB. If you are in doubt, a short whistle into the mike will display close to 100% on the meter, but your voice will seldom register that high unless you are severely over-driven and clipped all to heck.



Ken - NM9P
FLEX-1500; Kenwood TS-850SAT; Icom IC-706MK2G; soon to be FLEX-6500!
Post #6468
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