[rockadanny]

So we rescued these three adorable abandoned kittens and quarantined them in our master bathroom for 10 days. After 10 days, to get them used to being amongst us all (old snarky cat and smelly dog) without getting into trouble we put them out in the kitchen (adjacent and open to our living room - my listening room), confined to a very large cage for a few days. That was also the day I worked on final calibration for my two subwoofers, dialing in the optimal low-pass settings.

After about 30 minutes of tweaking the subs I went into the kitchen for a victory beverage and noticed that all three kittens had vomited all over their toys and cage floor. Odd, they'd not done that at all the entire previous 10 days we had them. It then dawned on me that I was likely the cause of their trouble, running low freqs. at 80db for an extended period of time. And one sub was not more than five feet from their cage.    I've read where loud LFs can induce illness. LF sound has even been used (or at least has been tested) for riot control. 

I felt bad. I normally relegate cleaning up of bodily fluids to my wife (they're her animals) but I decided to clean this mess up myself and hide the evidence just in case she were somehow able to figure out what had happened - that I had tortured the kitties!   

Just a warning for you other audiophile pet owners.

[Marbles]

The "green note" is not that hard to get, it's the allusive "brown note" that's tougher.

I've heard rumors that you need high decibels of 6hz for that.

Of course Tesla made Samuel Clemens hit the brown note with electro therapy 

[TheChairGuy]

The thread title lured me in....thanks!

John

[Bob in St. Louis]

Good catch Rob, I was thinking of the brown note while reading that too. You beat me to it.

I have wondered what affect LF's would have on aquariums. Does the water deaden it, or intensify it?
Those poor fishes. 

Bob

[JimJ]

Good catch Rob, I was thinking of the brown note while reading that too. You beat me to it.

I have wondered what affect LF's would have on aquariums. Does the water deaden it, or intensify it?
Those poor fishes. 

Bob

Well, active sonar in the acoustic range travels very well in water, at extremely high (200+ dB) levels

Given enough vibration, I'm sure they're not very happy with it...
 

[gixxerific]

Poor kittys, I would like to hit that elusive note at work. Wouldn't that be sweet.

I have read that abnormally low frequencies can do all kinds of things, even bringing on feelings of doom and sadness. aa

[bummrush]

MMythbuster did a show where they set speakers and tried to hit the brown note,see if you can find a rerun on the web,it was a heck of a set up.

[srb]

Many years ago i attended a concert of a local Cincinatti rock band called Balderdash.  The bass player squirted some 3-in-oil into his palm, rubbed it up and down the neck of his bass, then proceeded to play the loudest most frenzied bass coming out of something like 4 bass cabinets each with 4 - 15"s.

I had been neither drinking nor doing drugs, and after the first song I found myself in the bathroom puking my guts out.

Since then I have been a firm believer of the physiological effects of loud low frequencies on the body.  Shouldn't be much different for animals as well.

Steve

[Scottdazzle]

Low frequencies from naval activities are supected of causing the disorientation and deaths of whales.  Resonant frequencies can send hard objects into oscillation.  It's not surprising that loud deep bass can make critters and people sick.