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This is the project that I been thinking to undertake for years. I have motioned about in multiple times that Vitavox’s S2 lower region is very lucrative but unfortunately not exactly useable if the driver run all the way up, unless you are wiling to screw it up with resonance compensators. My long time idea was to use 2 Vitavox per channel: low frequency S2 before the primary resonance with old metal suspension diaphragm and another HF S2 after the primary resonance, with the plastic suspension diaphragm.  The second version I used for year and today I tried the first version.

First off all I armed the S2 with the original aluminum, metal suspension, cone and removed the phase plug. For the driver that will not work above 1000Hz the phase plug is as necessary as a helicopter propeller for to jelly fish. Then I well aliened the driver, making it sound without any mechanical resonances at 150Hz. Running this LF optimized S2 the drive I at the driver very confidently cared quite low frequency and I was able to get even 220Hz pretty clear. This was very-very good as the driver with the plug was dieing at 450Hz. So, in order to have an octave above the responsibly reproducible frequency I think I might try to load the LF part of my 2S2 tandem into 250Hz horn and cross it at 550Hz with first order. It is interesting to see what will happen and it will be fun to male all of this to work. I keep you folks posted about the successes or feature of this project.

The sad part in all of this that I would need an extra Super Melquiades channel. The positive thing that I will find if S2 lower knee will be able to compete with my current upper bass horn. I doubt but still” the best reproduced 400-1000Hz I even heard was in 2002 in CES during a privet demonstration by David Karmeli when pair of S2+K151 drove the large David’s demos room into something absolutely out of this world (I am talking only about the upperbass only). Also I would like to get more control over the range of the fundamatals….

Rgs,
Romy the caT

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