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microphones for 6400 M
Answers
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You can wire up just about any microphone to a FLEX-6000 unless it requires phantom power (48 VDC) to operate, like large diaphragm mics. People have used PC headsets, value mics from Radio Shack (when they were in business) and high-end audiophile mics. Only your budget is the limit.
For Heil mics, if the mic is a 4-pin XLR, you need this:
http://cart.flexradio.com/4-Pin-XLR-to-18in-35mm-TRS-and-RCA-for-FLEX-6400M-or-FLEX-6600M_p_1027.htm...
For 3-pin XLR, use this:
http://cart.flexradio.com/3-Pin-XLR-to-18in-35mm-TRS-for-FLEX-6400M_p_1026.html1 -
Hi Tim. thanks. I have a Heil HM-pro, Pr-10, Heil HM-12 and various others. Heil Pro 7 and a Heil pro set.
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Will they have these available at the Hamcation in Orlando or should I order them here?
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As a practice, FlexRadio does not take actual products to hamfests to sell. We take an order request that is fulfilled and shipped from Texas.0
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OK since I will need them for my mikes, I will order the cables today.
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OK. Found out my Pro 7 has a IC element. If I change that to a H-74 element will it work on the 6400M.
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http://cart.flexradio.com/3-Pin-XLR-to-18in-35mm-TRS-for-FLEX-6400M_p_1026.html
Is this the right cable to match up with the Heil 781 mic. Says something about does not have push to talk.
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Yes. And you will have to provide your own switch connected to the RCA PTT connector since the PR-781 does not have one0
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VOX does work well with the 781 and the 6000 series if you dont have PTT or rather use VOX.0
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I only use Vox with my headsets. It works very well.
BTW a Plantronics RF headset CS361N has a 600 ohm transformer in it.
It works very well. On the air, my friends can not distinguish it from a Electro-Voice RE201 -
Can you folks point me toward a switch that will work. I have never had a good experience with VOX. Too many ah's and em's.
KB4OIF
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I use a Heil FS2 foot switch at main operating position and RadioSport hand PTT switch with Maestro. The hand switch is nice since it has a locking on/off button and a momentary button. Whichever you are more comfortable using. Dave wo2x0
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Thanks Dave. This is my first flex. Trying to learn what works with what. Mine should be here first part of April.
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Any switch that provides a dry closure contact should work for the PTT. The cable from the switch needs to terminate into an RCA male connector for the 6000 series radios. With that said I have read of all kinds of stuff being used for PTT, from a homemade project box with toggle switch to a sewing machine pedal. Dave wo2x0
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I have successfully used electric guitar/piano sustain pedals for PTT foot switches. They are robust and invariably designed to "stick" to the floor with their weight and good rubber pads. Almost all come with a switch to change close/open on activating the pedal, and a decent long cord with a 1/4 inch phone plug. And they cost aroun $20!1
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OK. Got the switch and the cable ordered. Thought I had a switch, but could not locate it. Probably sold it years ago at our local hamfest.
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Am I correct that the heil mike's that are IC do not work with the flex or am i all wet with my thinking????
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Yes, they can work, but they have to be wired properly, as noted above.0
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ok Thanks Tim.
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Even when he is off work he is helping me out.0
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I also have a heil HM-10 and Heil HM-12 that work equally well with my 6300.0
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[{"insert":"One last question from a newbie. I own a Heil PR 40 and with mic gain turned to 100%, +20 gain kick in, the audio is still reported as low.. would the purchase of a 781 fix my problem?\n"}]0
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Hi John, The PR-40 has significantly more output than my HM-10, so there must be something else wrong. Are you sure that you have the PR-40 selected, and not the PC mic, for example?
Your Level meter should show the peak indicator just below the 0 dB mark (i.e. not in the red). Are you able to achieve that? You can see your mic level without transmitting by enabling the button shown below:
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[{"insert":"yes sir. Tried again today. the 6400m Works great with my radio sport headset and the factory supplied hand mic. But with the pr 40 I have to yell to drive my amp. the pr 40 works just fine when connected to my icom 7610. The cable I am using with the flex is new XLR to 3.5 the radio was purchased new in December2021 I read where Tim said a mic pre amp with the pr 40…. ??\n"}]0
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Yes, an external preamp will help.
I suggest the PR40 into an external preamp or mixer, then into the radio. Use the external gain and leave the internal 20 dB preamp off.
I personally use the W2IHY 8 band EQ and EQ Plus with an RE-27ND and get excellent results. Internal preamp is off and balanced in level set to 26. I also tested with the mic in on the 6600m using the cables made by Julius, W2IHY. It is probably more than most people need but I’ve been using Julius’ equipment for years, long before the 6000 series radios came out.
Dave wo2x
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I use the "Cloudlifter" for 30dB of Microphone gain. It uses the XLR balanced connectors.
You will also need a source of Phantom 48v power, such as:
Alan. WA9WUD
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I second the remarks by David Decoons:
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
I suggest the PR40 into an external preamp or mixer, then into the radio. Use the external gain and leave the internal 20 dB preamp off.
I personally use the W2IHY 8 band EQ and EQ Plus
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This is exactly what I use and the results, now I have set it up, are really great.
73 Mike G4GWH
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Thanks for all the info.
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I use a Neewer NW-800 mic. Good reports. I just acquired a W2IHY 8 Band EQ. I have been trying to get it setup but not sure about some of the settings. On the 6400 I use mic in . Built in EQ turned off , processor set to normal , mic gain set to about 20, TX BW 50-5000 , 20db boost off , Even though this mic requires the Bias I turn it off in Radio Settings and let the W2IHY jumper provide the phantom power.
I begin with both the W2IHY mic in and mic out set fully CCW. With nothing but the box turned on I bring up the mic in to where the green light just flickers and then back it down to no flicker all. The mic out is then adjusted or proper level deflection on the flex to just past 0 db.
After all that is where i seem to come to a problem. At this point on the W2IHY the downward expander light is solid green and no amount of adjustment will make it turn off. If I flip the downward expander on then the green will go off and I can adjust for no green light on key upa fab running . Problem I can still hear the fan running in my headphones even no light is on and it makes it difficult to get the adjustment just right
Anyone care to post their EQ settings for a starting point?
Anyone using the INRAD 629 mic and DMS-1 base? What are you results0 -
I worked with the W2IHY box for over a month trying to get it to sound right. After 2 calls to the guy that builds them, i requested my money back. I no longer have the 6400M. Have a 6600M now.
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