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In the Forum: Playback Listening
In the Thread: Basic guide to advanced audio
Post Subject: Some more questionsPosted by haralanov on: 7/31/2011
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 Romy the Cat wrote:
I am not familiar with those types of drivers and with the results they are able to show.

Yes, but you are familiar with the compression driver and horns. How could somebody control the size of the audio window, formed by his midrange channel, using horns? If I remember correctly, you chose your Vitavox S2 driver because of its tone, so you deal with a fixed diameter of the horn’s throat (that means fixed size of the audio window, without option to be controlled). But is it optimal? How could one adjust it without changing the compression driver? I also remember you decided to load it in 440Hz horn based on the frequency range it will play after the high-passing. But is the size of that 440Hz horn enough to reveal the background of the sound? Yes, I realize the bigger the horn, the worse it plays in the upper part of its range, but how could one adjust all those contradicting variables by just using given compression driver in a given horn?

 Romy the Cat wrote:
I know that that there are some people (not in US) who tend to use open baffles and large light drivers with no suspension but I do not know what results they are getting from it.

I know what their results are – too much energy in the midrange, lack of tonal complexity in the upper midrange, bad HFs and no bass. I will be very surprised if somebody demonstrate me some different sound than the above mentioned description when using only one driver, no matter its size. In addition, drivers with no suspension do not have tone - the sound is always too empty. I personally use 12” for my main widerange channel and at the same time I’m using 2x15” in symmetric configuration to get the energy in the lower midrange and upper bass (they are not finished yet), and now I’m building 4 pcs of 23” paper coned drivers to cover the bass range with proper authority and scale. Single 12” in OB is nothing more than just a naïve fantasy if one is looking for really full scale sound.

 Romy the Cat wrote:
Of cause I have “collapsing of sound and especially the scale of sound” but it only happened for my stereo listening position.  To use a single speaker and to get proper mono sound it requires having the speaker to be positioned in the room differently.

It doesn’t have to happen, despite the current positioning of one of your stereo channels. Actually it doesn’t have to happen even if that channel is put in the corner. Do you think there is a position in your room where that channel will present the sound in a way that you won’t be able to feel any deficiency of the recreated space?

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