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               PR-40 Vs RE-20     

These Comparisons were accomplished by sending the Microphone Audio into my "Rack", then straight into the DSP-100 of the TS-850s.
The Transmission Filter Settings will be at 2.7Kc, 3.5Kc, and 6Kc.
All of the External Processing Equipment that was used in these Comparison Tests can be seen on the "Rack" Page.

The Transmitter and Receiver used for these comparisons were the same ESSB Modified, Kenwood TS-850s/DSP-100 Combo's used in the previous Comparison Tests.
The Receiver IF Filter Setting was at 6Kc.

I will state again, that these comparisons were accomplished using My voice and equipment.
The RE-20's Frequency Response of My voice was used as a baseline.
SpectraLAB software and My ears were used as the measuring devices.
Cool Edit Pro was the software used for the recordings.

This was the Comparison that took the longest to accomplish. It took alot of time to get the 2 Microphones Frequency Response Curves as close as I could at the different bandwidths for these Tests. Especialy using an 8-Band Analog Parametric EQ!! This is one time that a Digi-Wigi "Slice and Dice" Digital EQ would have come in handy.
The recordings are real close to one another, so a real critical ear is a must.

Here are the PR-40 and RE-20 Microphones with Processed Audio. The TX Filter Setting is at 2.7Kc. You can click on the SpectraLab Graph and see a larger picture.

My Opinion:

These Microphones are very close in performance at this bandwidth.

The only difference that I can hear is that the RE-20 seems to have a little more Low End "Resonance".

Overall:
The RE-20 Wins this Battle.
It was very close, but the RE-20 has more "Resonance" in the Lower Frequencies than the PR-40.

My Opinion:

Another very close call.
Being really picky:

I still hear a little more Low End "Resonance" with the RE-20. Not much more though.

The PR-40 has slightly more "Frequency Seperation" in the Upper Mid and High Frequencies which makes it "Clearer", and I mean slightly.


Overall:
It was so close that it is difficult to pick a clear cut winner, but...
The PR-40 wins this Battle.
I like the slight improvement of the "Frequency Seperation".

My Opinion:

Wow...This is the closest comparison yet.

The RE-20 still has a tad more Low End "Resonance" than the PR-40.

If you listin real close, the PR-40 has just a smidgin better "Frequency Seperation" on the Upper Mid and High Frequencies.
This gives the PR-40 Audio just a touch more "Clarity".


Overall:
This is the hardest choice I've had to make yet, but...
The PR-40 wins this Battle.
I would rather have the small amount of "Frequency Seperation" and "Clarity", over the small amount of "Resonance" that I'm hearing between these two Mics.

After the PR-40 and RE-20 Microphones have their Audio Processed, You can see and hear that there is not that much of a difference between them.
The bigest differences, and they were'nt all that big, was...

#1 - The slightly more Low End "Resonance" that the RE-20 had over the PR-40.

#2 - The slightly more "Frequency Seperation" that the PR-40 had over the RE-20.