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Solar charged battery system providing electricity for audio system

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Jeff Rowland’s designs in the late ‘80’s and early nineties had optional DC supplies. I new those models well because I was at the CES with Audio Artistry when their Beethoven was Stereophile’s speaker of the year, and the we’re sharing there room with Jeff and using His Model 6’s with the battery supplies😉 Today like Levinson and many others he uses switch mode power supply’s. Maybe the renewable energy trend will get some of these designers, like Rowland going back to DC supplys.

I still love those scalloped thick aluminum face plates on the Rowland’s, beautiful equipment cosmetically.

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these??:

 

Jeff Rowland Design 625 S2 Stereo Power Amplifier

$15,900.00

 

 


"The overwhelming majority [of audiophiles] have very little knowledge, if any, about the most basic principles and operating characteristics of audio equipment. They often base their purchasing decisions on hearsay, and the preaching of media sages. Unfortunately, because of commercial considerations, much information is rooted in increasing revenue, not in assisting the audiophile. It seems as if the only requirements for becoming an "authority" in the world of audio is a keyboard."

-- Bruce Rozenblit of Transcendent Sound

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11 hours ago, Jud said:

 

The wood burning fireplace is (a) a romantic idea, and (b) something I personally love to see.  But it also (a) requires cleaning vs. a gas fireplace (Jotul makes very nice gas fireplaces - they have furnace-rated blower systems that can keep a floor of your home from freezing if the rest of the heating system goes on the fritz), and (b) is energy-inefficient enough that I think I remember you can have trouble getting something like a LEED certification if you have one.

 

We have propane for in-floor radiant heat and hot water (one small - probably 2' x 2' x 10" or less  - tankless boiler supplies both), electricity for the rest. Use less than 400 gallons of propane a year (maybe $30/month averaged out), but then our winters are nothing like MN.  Got down to about 12F for the low one day this winter (we're at 5700 feet), and that's as cold as it's been in 2 years.

 

While yes a wood burning fireplace is romantic...  I think it is also an important safety backup in a Minnesota winter. Having an empty tank of propane and 4 feet of snow on the roads preventing a fill up is a real concern.


No electron left behind...

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13 minutes ago, AudioDoctor said:

 

While yes a wood burning fireplace is romantic...  I think it is also an important safety backup in a Minnesota winter. Having an empty tank of propane and 4 feet of snow on the roads preventing a fill up is a real concern.

Indeed, same here at 9,300' in Colorado!  As well, sometimes there are power outages, and my boiler is electronic ignition, so it will not run if the electricity is out.  So a wood burning stove is an essential backup heat source.


ROON: DSD 256-Signature Rendu optical--Buffalo PRO or DSC-2--Ncore 400 Stereo-Focus Audio FS888-JL E-112 sub-Nordost Tyr USB, Cardas Clear AC, Iconoclast XLR, Nordost Frey speaker, cables, Synergistic Blue & Hi Fi Tuning Supreme Cu Fuses, Dark Matter system clarifiers.    Design/Build Consultant with Sonore

 

                                                                                                  SONORE computer audio

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3 hours ago, barrows said:

Indeed, same here at 9,300' in Colorado!  As well, sometimes there are power outages, and my boiler is electronic ignition, so it will not run if the electricity is out.  So a wood burning stove is an essential backup heat source.

 

Wood burning stoves can be made to be pretty efficient (and my wife back in the day loved to cook on one), but I think most wood burning fireplaces are another matter.


One never knows, do one? - Fats Waller

The fairest thing we can experience is the mysterious. It is the fundamental emotion which stands at the cradle of true art and true science. - Einstein

Computer, Audirvana -> eero Pro router -> EtherREGEN -> microRendu -> USPCB -> ISO Regen (powered by LPS-1) -> Ghent JSSG360 USB cable -> Pro-Ject Pre Box S2 DAC -> Spectral DMC-12 & DMA-150 -> Vandersteen 3A Signature.

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3 hours ago, AudioDoctor said:

Having an empty tank of propane and 4 feet of snow on the roads preventing a fill up is a real concern.

 

Because we only use about 60% of our 500-gallon buried tank's capacity per year due to the relatively mild winters and a well insulated home, we have the luxury of only filling once annually but never letting the tank go below 30%. (Fills don't go past 90% to leave room for expansion.)


One never knows, do one? - Fats Waller

The fairest thing we can experience is the mysterious. It is the fundamental emotion which stands at the cradle of true art and true science. - Einstein

Computer, Audirvana -> eero Pro router -> EtherREGEN -> microRendu -> USPCB -> ISO Regen (powered by LPS-1) -> Ghent JSSG360 USB cable -> Pro-Ject Pre Box S2 DAC -> Spectral DMC-12 & DMA-150 -> Vandersteen 3A Signature.

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3 hours ago, AudioDoctor said:

 

While yes a wood burning fireplace is romantic...  I think it is also an important safety backup in a Minnesota winter. Having an empty tank of propane and 4 feet of snow on the roads preventing a fill up is a real concern.

 

which one is Sven, and which Ollie?


"The overwhelming majority [of audiophiles] have very little knowledge, if any, about the most basic principles and operating characteristics of audio equipment. They often base their purchasing decisions on hearsay, and the preaching of media sages. Unfortunately, because of commercial considerations, much information is rooted in increasing revenue, not in assisting the audiophile. It seems as if the only requirements for becoming an "authority" in the world of audio is a keyboard."

-- Bruce Rozenblit of Transcendent Sound

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1 hour ago, Jud said:

 

Because we only use about 60% of our 500-gallon buried tank's capacity per year due to the relatively mild winters and a well insulated home, we have the luxury of only filling once annually but never letting the tank go below 30%. (Fills don't go past 90% to leave room for expansion.)


Lucky. 
 

Pellet stoves and things like that are more efficient than just a fireplace would be. For example. 


No electron left behind...

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4 hours ago, barrows said:

Indeed, same here at 9,300' in Colorado!  As well, sometimes there are power outages, and my boiler is electronic ignition, so it will not run if the electricity is out.  So a wood burning stove is an essential backup heat source.


I have actually seen emergency vehicles unable to go anywhere due to snow fall and freezing to death isn’t my preferred way to go...


No electron left behind...

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2 minutes ago, AudioDoctor said:

I’m Sven wife is Ollie. 
 

😂

 

I meant wood vs. propane...

 

BTW, a neighborhood neurologist and her husband built a 'green' house (super-insulated, etc.) and bought a Swedish stove that burns twigs - it heats their entire house.  It has insulated walls about a foot thick.


"The overwhelming majority [of audiophiles] have very little knowledge, if any, about the most basic principles and operating characteristics of audio equipment. They often base their purchasing decisions on hearsay, and the preaching of media sages. Unfortunately, because of commercial considerations, much information is rooted in increasing revenue, not in assisting the audiophile. It seems as if the only requirements for becoming an "authority" in the world of audio is a keyboard."

-- Bruce Rozenblit of Transcendent Sound

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1 hour ago, AudioDoctor said:


I have actually seen emergency vehicles unable to go anywhere due to snow fall and freezing to death isn’t my preferred way to go...

 

Having a couple of backups is great, in some climates essential.

 

In terms of the primary system, I like the in-floor radiant because each area has its own zone (total of 6), with each zone controlled by a Nest thermostat. All I had to do was adjust the temperature a couple of times, and they've got a nice little algorithm on their chips that keeps everything within about a degree F of what we like. (Can also set to allow lower temps when you're away, but with in-floor radiant the associated thermal mass means changes take hours, so for us that setting isn't worthwhile unless we're on vacation.)

 

Don't have to think about or fuss with anything, which is the way I like it.


One never knows, do one? - Fats Waller

The fairest thing we can experience is the mysterious. It is the fundamental emotion which stands at the cradle of true art and true science. - Einstein

Computer, Audirvana -> eero Pro router -> EtherREGEN -> microRendu -> USPCB -> ISO Regen (powered by LPS-1) -> Ghent JSSG360 USB cable -> Pro-Ject Pre Box S2 DAC -> Spectral DMC-12 & DMA-150 -> Vandersteen 3A Signature.

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@thotdoc I thought this was a thread about Solar charged battery system providing electricity for audio system. 

It seem it’s gone OT to “the green American” thread. 😳


Meitner ma1 v2 dac,  Sovereign preamp and power amp,

DIY speakers with scan speak illuminator drivers.

Under development:

NUC7i7dnbe, Euphony Stylus

Clock modded FS105 v3, Clock modded Isoregen, Lush^2

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3 hours ago, RickyV said:

@thotdoc I thought this was a thread about Solar charged battery system providing electricity for audio system. 

It seem it’s gone OT to “the green American” thread. 😳

 

I like to listen to music in my "green" home. 😲


One never knows, do one? - Fats Waller

The fairest thing we can experience is the mysterious. It is the fundamental emotion which stands at the cradle of true art and true science. - Einstein

Computer, Audirvana -> eero Pro router -> EtherREGEN -> microRendu -> USPCB -> ISO Regen (powered by LPS-1) -> Ghent JSSG360 USB cable -> Pro-Ject Pre Box S2 DAC -> Spectral DMC-12 & DMA-150 -> Vandersteen 3A Signature.

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On 8/13/2019 at 9:38 PM, Jud said:


If you’re in the US (and very likely other developed countries), by law your grid power cannot be “atrocious.” It actually has to conform to extremely tight specifications, tighter than all but a very few inverters, and at least equal to the best available inverters (as of mid to later 2017, anyway). This isn’t some general average specification, it’s a minimum requirement.

 

So I’d look elsewhere. Perhaps due to no need for transformers or ac/dc conversion internally. Or perhaps the power actually measures worse but sounds better to you. Impossible to know, and in any case I’m certainly no expert.

Your grid power may be good at it's source, or an area transformer, but it can be polluted by a nearby source before it gets to your home. I found this out when I had excess DC on my line causing my amp to hum and determined it wasn't coming from inside my building (I'm in a semi-detached).  Never did determine the outside source, but it had to be relatively close to have an effect, and put a DC reducer on my line.


Main listening (small home office):

Surge protector +_iFi  AC iPurifiers >Isol-8 Mini sub Axis Power Conditioning+Isolation>CAPS IV Pipeline Server + Sonore 12V PS>Kii Control>Audiolense DRC>Kii Three >GIK Room Treatments.
 

Secondary Listening: CAPS Pipeline>IFi iOne DAC>Schiit Freya>Kii Three . Also an SBT and a RB Pi 3B+ running piCorePlayer as an SBT emulator. 

All absolute statements about audio are false :)

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16 hours ago, Jud said:

 

I like to listen to music in my "green" home. 😲

 

Absolutely nothing wrong with that. If I had enough money I would build my house off grid as much as possible too. Nice design, big audio room. 


Meitner ma1 v2 dac,  Sovereign preamp and power amp,

DIY speakers with scan speak illuminator drivers.

Under development:

NUC7i7dnbe, Euphony Stylus

Clock modded FS105 v3, Clock modded Isoregen, Lush^2

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off the grid also means far from fire trucks and ambulances - we see old people doing it all the time here, and later regretted

 

Firedog - are you interested in re-posting that interesting event in the Noise Source thread?


"The overwhelming majority [of audiophiles] have very little knowledge, if any, about the most basic principles and operating characteristics of audio equipment. They often base their purchasing decisions on hearsay, and the preaching of media sages. Unfortunately, because of commercial considerations, much information is rooted in increasing revenue, not in assisting the audiophile. It seems as if the only requirements for becoming an "authority" in the world of audio is a keyboard."

-- Bruce Rozenblit of Transcendent Sound

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4 hours ago, firedog said:

Your grid power may be good at it's source, or an area transformer, but it can be polluted by a nearby source before it gets to your home. I found this out when I had excess DC on my line causing my amp to hum and determined it wasn't coming from inside my building (I'm in a semi-detached).  Never did determine the outside source, but it had to be relatively close to have an effect, and put a DC reducer on my line.

 

Remember, electricity is a circuit. To meet requirements, it has to be able to flow through everything in the circuit and not have its specs suffer much.


One never knows, do one? - Fats Waller

The fairest thing we can experience is the mysterious. It is the fundamental emotion which stands at the cradle of true art and true science. - Einstein

Computer, Audirvana -> eero Pro router -> EtherREGEN -> microRendu -> USPCB -> ISO Regen (powered by LPS-1) -> Ghent JSSG360 USB cable -> Pro-Ject Pre Box S2 DAC -> Spectral DMC-12 & DMA-150 -> Vandersteen 3A Signature.

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2 hours ago, Ralf11 said:

off the grid also means far from fire trucks and ambulances - we see old people doing it all the time here, and later regretted

 

Firedog - are you interested in re-posting that interesting event in the Noise Source thread?

I’m not participating in that thread, but feel free to quote whatever you want.


Main listening (small home office):

Surge protector +_iFi  AC iPurifiers >Isol-8 Mini sub Axis Power Conditioning+Isolation>CAPS IV Pipeline Server + Sonore 12V PS>Kii Control>Audiolense DRC>Kii Three >GIK Room Treatments.
 

Secondary Listening: CAPS Pipeline>IFi iOne DAC>Schiit Freya>Kii Three . Also an SBT and a RB Pi 3B+ running piCorePlayer as an SBT emulator. 

All absolute statements about audio are false :)

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An interesting diversion for me, right now, is looking at a decent sine wave inverter - we're getting too many outages in the area, and with the weather patterns getting more extreme, ;) ...

 

A reputable dealer had a high powered unit on a "what's left in the warehouse!" sale, and so grabbed one ... bad news is that it died, completely, on a trivial load for its size - making all sorts of spluttering noises, now - so, today, back to the shop, ¬¬.

 

The point is that it was supposedly "pure sine wave" - and one of obvious uses of this was to trial music systems running off  'poor' power - but haven't even got to first base yet ...  :/.


Frank

 

http://artofaudioconjuring.blogspot.com/

 

 

Ahhh, Mankind ... Porsche intellect, Trabant emotions ...

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On 8/15/2019 at 3:35 PM, Jud said:

 

Having a couple of backups is great, in some climates essential.

 

In terms of the primary system, I like the in-floor radiant because each area has its own zone (total of 6), with each zone controlled by a Nest thermostat. All I had to do was adjust the temperature a couple of times, and they've got a nice little algorithm on their chips that keeps everything within about a degree F of what we like. (Can also set to allow lower temps when you're away, but with in-floor radiant the associated thermal mass means changes take hours, so for us that setting isn't worthwhile unless we're on vacation.)

 

Don't have to think about or fuss with anything, which is the way I like it.

 

My parents have radiant floor heat in their house now as well, I like it a lot. They have a separate water heater than provides hot water for the system embedded in the cement.


No electron left behind...

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