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Author Topic: Microphones for TS-830S  (Read 1998 times)
KC2PHJ
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Posts: 21




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« on: May 21, 2013, 03:36:54 AM »

What are some good microphones for the Kenwood TS-830s? My MC-50 fell and I think the element broke. It doesn't work now.

Tnx,
Dave (KC2PHJ)
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AD4U
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Posts: 2166




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« Reply #1 on: May 21, 2013, 05:27:13 AM »

Any high impedance mic will work.  D-104, Shure, Electro Voice 638, Heil, to name a few.

Dick  AD4U
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W8JX
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Posts: 5877




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« Reply #2 on: May 21, 2013, 05:59:34 AM »

What are some good microphones for the Kenwood TS-830s? My MC-50 fell and I think the element broke. It doesn't work now.

Tnx,
Dave (KC2PHJ)


If you are sure the cable is not bad, you can heat head of mic with a hair dryer and it will soften glue and let you screw head off mic to replace element. I replace mine with a Heil HC5 element 20 yrs ago.
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VA7CPC
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« Reply #3 on: May 21, 2013, 07:33:37 AM »

Quote
Any high impedance mic will work.  D-104, Shure, Electro Voice 638, Heil, to name a few.

Quote
I replace mine with a Heil HC5 element 20 yrs ago.

Now I'm confused - - the HC5 is a low-impedance mic.

Is the TS-830 mic preamp solid-state (in which case it probably wants a low-impedance mic), or vacuum-tube (in which case, it probably wants a high-impedance mic) ?

Just wondering . . .

.             Charles


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KE3WD
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Posts: 5689




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« Reply #4 on: May 21, 2013, 07:56:58 AM »

A Low Impedance mic can drive a High Impedance input. 

This is simple Ohm's law. 

The High Impedance input cannot load down the Low Impedance source. 

In some instances, you may experience less gain.  This is often overcome by a built in mic preamp and even if the preamp is Low Impedance output, it can still safely drive the High Impedance input. 

The reverse is not the case, a High Impedance mic cannot safely drive a Low Impedance input simply because the input will load down the mic too much.  Again, simple Ohm's law. 

Hams have to understand the differences that happen at AF and that they are not the same as the RF situation where impedences have to be matched. 


73
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WN2C
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Posts: 451




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« Reply #5 on: May 21, 2013, 08:39:41 AM »

Astatic 10-DA, similar to D104 but better sounding on SSB, Shure 444 is probably the best sounding of the older microphones.  Heck, you could put an MC-50 or 60 on it too.  Go to Heil's web site and see what info is there concerning older radios.

Rick  wn2c
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K8AXW
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« Reply #6 on: May 21, 2013, 09:07:14 AM »

Dave:  Many years ago I bought the Kenwood MC-35S microphone for my TS-830S.  It's a 50k ohm impedance mic.

After building my amplifier and wanting all the "punch" I could get for working DX, I bought a Heil HC-4 element; installed it in a headset with boom mic and have never looked back.  To simply say it works great would be a gross understatement!



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W8JX
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« Reply #7 on: May 21, 2013, 10:59:36 AM »

The HC5 element was a big improvement over stock MC50 element. Always got great audio reports with that mic and rig.
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N4NYY
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« Reply #8 on: May 21, 2013, 03:20:29 PM »

Any high impedance mic will work.  D-104, Shure, Electro Voice 638, Heil, to name a few.

Dick  AD4U

Ditto
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VA7CPC
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« Reply #9 on: May 21, 2013, 09:40:51 PM »

I found the TS-830S manual here:

http://www.n6wk.com/kenwood/TS-830S_Instruction_manual.pdf

The microphone impedance spec:  500 ohms - 50 kOhms.

So just about any mic will work OK.  Good design!

.           Charles

PS -- the MC-50 mic has a dual-impedance transformer -- also good design.
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K2DC
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« Reply #10 on: May 22, 2013, 02:44:09 AM »

Never had an 830, but I've had a 520, 440, 570 and 2000 and  Kenwood audio is what it is in all the models.  I always had the best audio reports with a D-104 or Heil HC-5.

73,

Don, K2DC
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K8GU
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« Reply #11 on: May 22, 2013, 09:36:23 AM »

I always get good audio reports with a Heil HC-4 (HC-5 better for ragchewing) on a TS-930S and a TS-700S.  I've only used a TS-830S on CW, but I'm sure they would work well with it also.
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