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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Romy,You maybe thinking of your a/c problem backwards.
In use, air conditioning vents become louder as the air speed and turbulence increase. Reducing the aperture of a vent can increase noise because a reduced aperture increases air flow spee...
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Romy,I might have overlooked something on your site but I understand that your ULF amp is driven directly by the preamp line stage. If that is the case, you may want to consider an old technique for integrating subwoofers and drive your ULF amp w...
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Rakesh,Thank you for your kind remarks. I appreciate the close scrutiny you have given my previous post but I think you are at a stage of system design where many basics of your system should be considered and evaluated before the issues of my po...
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I would like to suggest an alternative factor or explanation to your recent ULF/midbass findings.When you were chronicling the design and implementation of your midbass horns I was curious as to the effect of the very close placement of the two h...
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Congratulations on the construction and installation of your horns. May your pleasure at the results reward your effort and expense. I find their installed appearance even more geometrically striking than anticipated and I suspect now that some o...
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[quote user="Romy the Cat"]
RF at Ona wrote:Personally, I think it debatable whether the mouth edge should be free or attached as there are desirable aspects to both approaches. If attached, it need not be attached with great pressure. Robert, ca...
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You can improve the vibration decoupling by lessening the weight on the horn mouth edge.
There is no need for the edge of the horn mouth to bear a great deal of the weight of the heavy end of the horn, although that seems your current plan. Th...
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From your recent posts it may be that you are already thinking along these lines but let me suggest an approach to the horn positioning anyway.
I don’t think it is either necessary or desirable to vertically lift the full weight of each horn a...
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Collin,I am pleased that you found my suggestions worthwhile.
I approached the issue of your music room with two questions in mind:1- How to avoid the structural angle from interfering with the sound2- Would an enlarged room be worthwhile...
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Collin,I would suggest that you abandon the idea of placing your speakers against the back wall with that reflecting/diffracting angle in front of the speaker(s). Such a structural intrusion would not be kind to the polar radiation pattern ...
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Congratulations, Romy, I think you just re-invented the ISOBARIK loudspeaker.
Although, Linn's Isobarik implementation of two drivers moving in parallel separated in a small chamber which would be nearly in constant volume (and pressure) couldn...
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Romy and friends,
Reading about the sensitivity of your system to electrical power supply problems reminds me of the days when I used to make my own equipment as much for the learning experience as for the final result.
One of the mundane things I ...
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