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+--- Thread: Passive amplification (/showthread.php?tid=155287)
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Passive amplification - davemchine - 07-18-2013
Very cool http://www.koostik.com/products/walnut-pivot
Re: Passive amplification - Lew Zealand - 07-18-2013
I just use this and it cost me about $4:
http://compare.ebay.com/like/221016086594?var=lv<yp=AllFixedPriceItemTypes&var=sbar
It's just for listening to voice, so the narrow amplified frequency range is no problem. I wouldn't use it for music.
Re: Passive amplification - mikebw - 07-18-2013
Hmm, you cannot really have passive amplification. What this is doing is just focusing the sound pressure waves from the speaker in a desirable way.
Re: Passive amplification - cbelt3 - 07-18-2013
I lean mine on top of an open ceramic cookie jar. Makes for a nice bass. Unless it's full of cookies. Then we have to eat the cookies as a sacrifice to the Muses.
Re: Passive amplification - freeradical - 07-18-2013
This is the most acoustically perfect spot on this ship.
Re: Passive amplification - Harbourmaster - 07-18-2013
I usually just set mine inside a large ceramic coffee mug that is laying on it's side....
Re: Passive amplification - Filliam H. Muffman - 07-18-2013
It looks nice, but it is hard to justify as 'renewable' when they use a big honkin piece of wood and charge about 10x what I would pay for one.
Re: Passive amplification - jdc - 07-18-2013
free from any college party, works awesome
Re: Passive amplification - eustacetilley - 07-18-2013
It's the passive-aggressive amplification that one has to be aware of...
Eustace
Re: Passive amplification - davemchine - 07-18-2013
I also use a plastic cup which I can usually find about anywhere I am. In fact I did that this morning. I thought wooden version was attractive though and it makes me wonder how far that kind of amplification could be pushed. Remember the old record players with the huge horn on them? I realize it would never sound as good but I am curious how far it could go.