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K55-V or K55-M...which do you prefer


Mighty Favog

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  • Nov 1961: The Atlas K-55-V Alnico magnet mid-range driver is introduced. This driver was patterned after the famous Western Electric 555-W.

 

 

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New Western Electric 555 drivers replica

 
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1 hour ago, Mighty Favog said:

I don't plan on buying either or any for that matter. I was just looking for opinions between these two only.

OK, well, there is the V single phase, the V dual phase, and the M.  So, there are 3.  Read my previous comment about modest difference, but I personally prefer the V dual phase of the group, for all applications.

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Of those the only experience I have is with the dual phase plug soldered lug K-55-Vs in my 1983 Heresy speakers.  To my ears they sound better than any other 3 way Klipsch I've owned:  Quartet, forte I and II, KLF-30 and Chorus I.

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The V has a "hole" or dip in the frequency response between 4500 Hz and 6000 Hz.  The M has filled that hole and is smooth all the way to 6000 Hz.

 

Supposedly you can't hear it.  I couldn't hear it.  I have heard pink noise from each driver and there is a difference in the sound, one is darker, I forget which one.  I would not say one is better over the other this way.

 

Both mid drivers cost about the same on the used market, both are fairly easy to find. 

 

Given a choice, I would use the M.

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