jonheal;173035 Wrote:
> Tell 'em you want your coffee cold, too. That'll save a few extra
> watts!:-)
The expression that comes to mind over all this is "penny-wise,
pound-foolish".
TD
--
tyler_durden
tyler_durden's Pro
Skunk;172965 Wrote:
> Plus you'll *feel* better if you walk to Starbucks.
>
> The humorous thing is people act like the two (walking and turning
> things off) are mutually exclusive. Turn the freakin' light off before
> you go!
Tell 'em you want your coffee cold, too. That'll save a few extra
Our daughter has a curious one-way effect on instant-on televisions. She
walks into a room, the TV comes on. The effect is not symettric, though
- when she walks out of the room, the TV never goes off again.
Drives me absolutely nuts.
--
Michaelwagner
--
jonheal;172909 Wrote:
> This is all very humorous.
>
> Restrict your driving so that you use THREE gallons less gasoline
> (maybe, what ... 75 miles?), and you've saved enough energy to run your
> SqueezeBox full blast for a year.
Plus you'll *feel* better if you walk to Starbucks.
The humoro
cparker;172543 Wrote:
> Hi Peter
>
> This is very interesting research. If other people have measuring
> devices, could I ask that they measure the usage of their amp and its
> make/model? I'm looking to replace my amp in the future and want to
> find the least power hungry one!
>
> I'll mea
This is all very humorous.
Restrict your driving so that you use SIX gallons less gasoline (maybe,
what ... 150 miles?), and you've saved enough energy to run your
SqueezeBox full blast for a year.
--
jonheal
Jon Heal says:
Have a nice day!
http://www.theheals.org/
~~~
SB3 (wired - 6.3.1) | H
tyler_durden;172678 Wrote:
> If you are looking for a minimal power drain amplifier, get a "Class-D"
> amplifier. They are essentially switch-mode power supplies with the
> input signal as a reference and the output connected to a speaker.
> Efficiencies run as high as 90%. These are relativel
If the point was to generate heat, I'd agree with you.
But the point was, we keep these devices on for utility. They "waste" a
certain amount of power when on standby. The claim was made that this
isn't totally wasted, because it generates heat, so the "waste" is at
least partially offset by lowe
My initial point is getting lost:
Electricity is an inefficient method of generating heat.
Better to turn off devices and use fossil fuels, bio-fuels for
heating.
The point about Nuclear power and Hydro-electric being completely clean
is incorrect when you consider the embodied energy in constr
Paul_B;172729 Wrote:
> Most electricity isn't nuclear, most power is fossil fuel.
This is highly dependent on where you live.
Where I live:
> Ontario Power Generation operates 64 hydroelectric, 5 fossil and 3
> nuclear stations producing more than 22,000 megawatts of much needed
> electricity.
(thread drift)
I've seen numbers that suggest that devices on standby use a
surprisingly high percentage of domestic power overall, just due to
their prevalence and the total time they are running. Recent
improvements seem to have driven the wattages much lower, but that's
countered by all those
Mark Lanctot;172682 Wrote:
>
> My current one is MUCH more powerful, yet doesn't have a heatsink. I
> was concerned about this, but it doesn't even get warm during
> operation. This implies a lot less power wasted as heat.
Class D amps were first applied to battery operated systems that neede
Most electricity isn't nuclear, most power is fossil fuel.
Also worth considering is the embodied energy in a nuclear power
station. How much CO2 is release in the construction of the nuclear
power station and how much CO2 is released during the decommisioning of
a nuclear power station? Radioac
Paul_B;172690 Wrote:
> In reference to Karma's post about heating. Electricity is a very
> inefficient form of heating. A fossile fuel power station is at best
> 35% efficient, then take into account power line losses and
> inefficiencies in the transformer. You are much better turning off the
>
In reference to Karma's post about heating. Electricity is a very
inefficient form of heating. A fossile fuel power station is at best
35% efficient, then take into account power line losses and
inefficiencies in the transformer. You are much better turning off the
device and using raw fossil fuel
tyler_durden;172678 Wrote:
> If you are looking for a minimal power drain amplifier, get a "Class-D"
> amplifier. They are essentially switch-mode power supplies with the
> input signal as a reference and the output connected to a speaker.
> Efficiencies run as high as 90%. These are relativel
If you are looking for a minimal power drain amplifier, get a "Class-D"
amplifier. They are essentially switch-mode power supplies with the
input signal as a reference and the output connected to a speaker.
Efficiencies run as high as 90%. These are relatively new and not many
are available, bu
cparker;172543 Wrote:
>
> This is very interesting research. If other people have measuring
> devices, could I ask that they measure the usage of their amp and its
> make/model? I'm looking to replace my amp in the future and want to
> find the least power hungry one!
>
> I'll measure my amp
Although my house has a number of devices which draw a small amount of
power when on standby, the effect of these is to add a little bit of
warmth to the house. If they weren't doing it then the heating system
would have to do it.
Ok, that only applies in the winter, but it does mean that 'waste
peterw;171382 Wrote:
>
> The lowest power draw was attained by having the Squeezebox idle ("on"
> or "off", as long as it's not playing an audio stream) with the
> brightness set so the display was completely dark. This took 4 watts
> (US adapter, ~120v AC power, and yes, watts, not volt-amps).
tyler_durden;172183 Wrote:
> While it is true that every little bit helps, not every little bit is
> significant, and it is wrong to teach that it is.
Not if you live off-the-grid, but I see your point.
--
Skunk
Skunk'
While it is true that every little bit helps, not every little bit is
significant, and it is wrong to teach that it is. If you focus people
of fixing the 5 watt Squeezebox power "waste" problem, they start
feeling more comfortable about driving a Hummer, because they feel they
have "done their pa
JJZolx;172178 Wrote:
> What? Cause he finished grade school?
Indeed, a luxury in some parts of the world/US.
--
Skunk
Skunk's Profile: http://forums.slimdevices.com/member.php?userid=2685
View this thread: http://forums.
Skunk;172172 Wrote:
>
>
> > > > As they used to tell us in grade school...> >
>
> No need to get hoity toity and flaunt your education.
What? Cause he finished grade school?
--
JJZolx
Jim
JJZolx's Profile: http://fo
tyler_durden;172167 Wrote:
> As they used to tell us in grade school, "when you point your finger at
> someone else, you point three back at yourself".
>
> TD
No need to get hoity toity and flaunt your education. The ratio I
quoted was taken from a teacher's program for grade school students,
w
As they used to tell us in grade school, "when you point your finger at
someone else, you point three back at yourself".
TD
--
tyler_durden
tyler_durden's Profile: http://forums.slimdevices.com/member.php?userid=2701
View
tyler_durden;172102 Wrote:
>
> Your server that drives the SB causes the burning of a lot more coal
> than the SB3. Maybe you should shut the whole system off and not use
> it.
My computer is sometimes used to stress the importance of energy
conservation, so that would have a negative impact
Skunk;171827 Wrote:
> A quick google yielded the approximation of one pound of coal per 1.25
> kWh, which ~ a pound of coal burnt per week to run a Sb3.
A pound of coal per week to run the SB3, or a pound of coal per hour to
run your big screen TV, or 5 gallons of gasoline per hour to power your
tyler_durden;171762 Wrote:
>
> The power of the whole system is so low that it won't have any
> appreciable impact on your electric bill. If you pay $0.15/kW Hr, and
> the SB3 takes 6W, with power on at all times it will cost you about
> $0.15/week. That comes to <$8 per year.
>
Erm, coal is
Well, there you go then- measure the power using the power meter
(probably innaccurate at such low power levels), then measure the DC
power by measuring current and calculating. The difference is the
power dissipated by the power supply.
The power of the whole system is so low that it won't have
Interesting results and good point by Robin. I wonder how much the SB
actually draws when it is off as opposed to how much power the
transformer is taking?
--
Paul_B
Paul
~
Slimserver 6.5.1 on EPIA VIA EN15000 Mini-ITX running Windows 2003 R2.
Remo
tyler_durden wrote:
> Measuring the DC current into the SB would be a better way to measure
> power. Power = V * A (for DC).
That wouldn't measure any power used by the power supply itself (ever
wondered where that heat comes from?)
R.
___
discuss mai
Measuring the DC current into the SB would be a better way to measure
power. Power = V * A (for DC).
This can be done accurately with any multimeter that has a current
mode.
TD
--
tyler_durden
tyler_durden's Profile: ht
33 matches
Mail list logo
