John Curl's Blowtorch preamplifier part II

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Another way to say this is that "we" are an order of magnitude less "us" than we are "them", all the critters living in and on us, on a cell count basis. The average human includes about three pounds of bacteria, virus, and other small critters. some of which we'd do very poorly without.

All good fortune,
Chris
 
Bill I could eat a vegetarian diet of smoked vegetables soaked in hydrogenated oils... I might develop serious cancer too. Point is just because meats can increase growth, doesn't mean non-meat is a counter to the fact. We are much too complicated for that simple binary.

If I knew enough about your sister I could start to paint a picture of the reasoning. I would need to have a 23&Me, lots of factors of phenotype, etc...

Be careful with ancestral claims. For example Native Americans and corn. Everyone assume it's a match made in heaven, it's a "native" diet. Wrong. The day corn was edible was the day they started to show cardiovascular disease in their skeletal remains. Also the populations that ate the most grains showed the biggest decline in physical stoutness (Inca's specifically). However it was unlikely it caused enough discomfort that a single Native America could have made the correlation. Our epigenetics/genetics can often take a very long time to change expression, through many generations. But things happen quicker when you begin to compile the odds against people (the way we live today). Also consider how many people would have died instead of having extended families, due to medicine, so we don't have natural filters for genetic problems to the same degree.
 
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Bill I could eat a vegetarian diet of smoked vegetables soaked in hydrogenated oils... I might develop serious cancer too. Point is just because meats can increase growth, doesn't mean non-meat is a counter to the fact. We are much too complicated for that simple binary.
Exactly my point to the headline 'rat and meat tumour grows, rat and veg, tumour does not grow'. It's never that simple, even for ratty.
If I knew enough about your sister I could start to paint a picture of the reasoning. I would need to have a 23&Me, lots of factors of phenotype, etc...
Undifferentiated sarcoma. Four cases a year in USA. Sorry you wouldn't have a hope.
Be careful with ancestral claims. For example Native Americans and corn.
There were many Native tribes, each with their own unique gut flora and adaptations. That was my point. According to some reasearch I read, which I will admit I cannot find now, some tribes that followed buffalo (and mainly ate them) were able to handle high levels of animal protein (accepting the shorter average lifespan SY). But we all have bile glands that were for that purpose (eat till you waddle on mammoth, sleep for a week).

Unfortunately I won't live to discover if offspring #5 being an interesting hybrid of very separated bloodlines is healthier that the first four who are all of european lines (some viking there as the paternal side can trace back to the norman conquest).
 
bcarso,
Yes the TPA3251D wants balanced input impedance. I'm not mixing that up with a fully balanced audio structure like pro-audio balanced gear, not expecting most people to use a balanced audio system. It seems from what I gather that the THD goes up on that monolithic amplifier if the input impedance isn't balanced.

You are going the wrong way. Look for the TI amps with digital input and come from the digital output of the ADI chip. TI has some nice digital high power amp solutions with the feedback technology. They are two chip solutions with a separate modulator. Or use a separate DAC which would get you the differential drive for the amp and a lot of complexity.

Another consideration is sample rate conversion at the input of the DSP. Plus what sample rate to run the DSP at internally. Making the system switch to match the incoming sample rates is hard and complex. Using an ASRC on the input and running it all internally at a high sample rate is a good second option but not all DSP's support that nicely. The ADAU1701 does support 192. It supports 8 digital outputs double precision biquads and a lot of other stuff.

There are other choices for this function as well. Look at D2Audio for example. It has sample rate conversion on all the inputs.
 
You are going the wrong way. Look for the TI amps with digital input and come from the digital output of the ADI chip. TI has some nice digital high power amp solutions with the feedback technology. They are two chip solutions with a separate modulator. Or use a separate DAC which would get you the differential drive for the amp and a lot of complexity.

Another consideration is sample rate conversion at the input of the DSP. Plus what sample rate to run the DSP at internally. Making the system switch to match the incoming sample rates is hard and complex. Using an ASRC on the input and running it all internally at a high sample rate is a good second option but not all DSP's support that nicely. The ADAU1701 does support 192. It supports 8 digital outputs double precision biquads and a lot of other stuff.

There are other choices for this function as well. Look at D2Audio for example. It has sample rate conversion on all the inputs.

And hire Demian!
 
Exactly my point to the headline 'rat and meat tumour grows, rat and veg, tumour does not grow'. It's never that simple, even for ratty.

Undifferentiated sarcoma. Four cases a year in USA. Sorry you wouldn't have a hope.

There were many Native tribes, each with their own unique gut flora and adaptations. That was my point. According to some reasearch I read, which I will admit I cannot find now, some tribes that followed buffalo (and mainly ate them) were able to handle high levels of animal protein (accepting the shorter average lifespan SY). But we all have bile glands that were for that purpose (eat till you waddle on mammoth, sleep for a week).

Well, I'm sorry you lost your sister. And I only meant those items would clue me into perhaps why she developed a case advanced enough that it got her; I wasn't suggesting a cure.

It's important to point out that all native American tribes, excluding the Blackfoot, were entirely Type O blood. They shared a lot more in common with each other than you might think; given that as far as we can tell all but the Blackfoot were a group of people that migrated at the same time to the continents.

Another less known fact is that Native Americans looked very athletic pre-colonization. They were like the idealized body the you'd see in European art, early Rome/Greek. That is except those that switched to heavy grain diets.
 
Diet, veg, etc

My wife has always been a believer in the health benefits of fruits and vegetables, and although she enjoyed a mixed diet she always kept it "healthy" with lots of things like fresh tomatoes, broccoli, beans, bananas, whole grains, fresh beet greens in spring time, Swiss chard, spinach, etc. When she developed an autoimmune disorder her kidneys took a hit, so she is on a diet to protect her kidneys. It is low sodium, low potassium, low phosphorus, and controlled protein. As a result all her favourite foods, including all those I listed above, are on her no-fly list. Also her fave snack food, avocados, which she would spread on whole grain Ryvita crackers -- both off limits now. It has been a real challenge to exclude so many foods that were her staples.
 
yes, everything is complicated. The tobacco industry said the same thing and now its the climate. Sometimes it just isnt That complicated to learn some lessons from.

I met an interesting older chap in a local tavern one night, a professor at a local university . Not science I think, likely history ir some such. He originally hailed from Virginia or North Caroliba, one of those places famous for tobacco production. He said "When I was a kid everybody smoked, and nobody got cancer.". A patently false premise, but his further point was interesting. When he was young all the kids had summer jobs picking worms off tobacco leaves. Now kids are idle all summer because farmers spray nasty chemicals on the tobacco crop to kill the bugs, cheaper than they could pay children to do it by hand. His contention was that the pesticides on tobacco leaves were more harmful to ingest than the combustion products of tobacco. I suspect he has a point, and I also suspect it's something that has never been studied.

Is there a "healthy tobacco" if it is raised chemical-free? (Yes I am aware of the silliness if the phrase "chemical free")
 
I met an interesting older chap in a local tavern one night, a professor at a local university . Not science I think, likely history ir some such. He originally hailed from Virginia or North Caroliba, one of those places famous for tobacco production. He said "When I was a kid everybody smoked, and nobody got cancer.". A patently false premise, but his further point was interesting. When he was young all the kids had summer jobs picking worms off tobacco leaves. Now kids are idle all summer because farmers spray nasty chemicals on the tobacco crop to kill the bugs, cheaper than they could pay children to do it by hand. His contention was that the pesticides on tobacco leaves were more harmful to ingest than the combustion products of tobacco. I suspect he has a point, and I also suspect it's something that has never been studied.

Is there a "healthy tobacco" if it is raised chemical-free? (Yes I am aware of the silliness if the phrase "chemical free")

In China ( not that long ago and perhaps yet today )
cigarettes pose(d) no health threat. I used to love to
watch their medical documentaries with the doctors
all puffing away as they performed surgery.
 
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I can still remember all the cigarette ads on television and in magazines when I was a kid. The ads told you they would make you calm and all sorts of claims for good health. If you do look at a modern cigarette made in the USA how many chemicals are added to that tobacco, there must be hundreds of compounds in those things. What is the cancer rate in a place like Cuba where they probably still have unadulterated tobacco products, that would be an interesting case study.
 
I can still remember all the cigarette ads on television and in magazines when I was a kid. The ads told you they would make you calm and all sorts of claims for good health. If you do look at a modern cigarette made in the USA how many chemicals are added to that tobacco, there must be hundreds of compounds in those things. What is the cancer rate in a place like Cuba where they probably still have unadulterated tobacco products, that would be an interesting case study.

People that work in Tobacco fields have higher rates of cancer even when it's organic. Perhaps more developed places have gloves and stuff like that to reduce or eliminate this.
 
Destroyer are you saying they are getting cancer from direct skin contact, not from smoking but just something like contact dermatitis presenting as cancer?

That is my understanding, yes. Apologies if I got it wrong. Out of all these subjects it isn't the one I've researched as much.

Did you know nicotine from the leaves are so strong that people use to extract it from them to make a poison that could not be tested for after a murder. It burned the mouth and throat when they had a drink... It only took tiny drops to do someone in.
 
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