Re: [Elecraft] K3: cw man has microphone question

[K4IA]

The Heil web site has audio clips you can  compare.  Yes, there is a huge 
difference in the way they sound.  One  is almost broadcast quality wide range 
and the other in pinched into the most  productive frequencies.  It sounds 
harsh 
but gets through better.   Some of the Heil mics have a switch so you can go 
back and forth but you can't  do anything (within a small range with the 
equalizer) to change them.

Who  needs stinking mic anyway?  dit dit 

k4ia
Buck K3  #101
Fredericksburg, VA  




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RE: [Elecraft] K3: cw man has microphone question

[Ed Muns]

 HC-4 Specifications:
   Type: - Dynamic. Copper wound bobbin, moving coil transducer
   Frequency: 500 Hz to 3,800 Hz with 10 dB rise at 2,000 Hz.
   Sensitivity: -66 dB Nominal
   Impedance: 2,000 ohms @ 1,000 Hz.
   Size: .530 x .850 x .310
 
 HC-5 Specifications:
   Type: - Dynamic. Copper wound bobbin, moving coil transducer
   Frequency: 350 Hz to 4,000 Hz with 6 dB rise at 2,000 Hz.
   Sensitivity: -68 dB Nominal
 Impedance: 2,000 ohms @ 1,000 Hz.
   Size: .530 x .850 x .310
 
 Not much difference, but two questions:
 
 1.  Can you actually hear a difference, and

Yes, the difference is striking.  The HC5 is pleasant to listen to while the
HC4 is more intelligible in crowded conditions and pileups.

 2.  With the K3, does it matter since there is an 8 band EQ on tx?
 Could one tailor the an HC5 to sound like (close to) and 
 HC4 or vice-versa?

Yes, the K3 TX equalizer is very handy in this regard.  Keep in mind that it
allows you to not only create other microphone responses, but more
importantly customize your transmit audio to the combination of your
individual voice and the microphone characteristics.  Look up my prior post
(just after SS Phone) about tweaking the TX equalizer a bit even with the
HC4 element to optimize it for my voice frequencies.

73,
Ed - W0YK

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