You can also use net_graph for the same purpose.
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If you were to pedal for an hour while generating 1000 watts constantly that would be a kilowatt-hour, a cumulative measure of power that the utility uses to charge us for their power monthly. which is 550 lb/ft (the force) per second (the rate). My earlier statement that Watts are a measure of force over a period of time is confusing because time is used as the rate the force ia applied. Watt and Newton meter are different, but somewhat related.ġ watt is equal to 1 newton meter per second.ġ newton meter is equal to 1 watt per second. Is the wattage any different if I pedal at the same NM & RPM for 30 minutes? Suppose I pedal at 70 RPM, and 20 Nm for 20 minutes. If what you say is true, does that mean that the watts reading (which is on the same scale as the Nm) has to have the amount of time I'm pedaling at a given NM and RPM figured into the equation to get the actual amount of watts? It's a long way around and there is most likely a much better way, but this should work. Once that you've established a known RPM to NM you could work a new speed into the equation. One way maybe to convert Newton-Meters to pounds, RPM to feet per second, foot -pounds/sec to Watts. I believe Newton-Meters is a measure of force whereas Watts measure power, or force applied over a period of time. The ergometer only shows values of NM & watts up to 70 RPM, and I want to pedal faster.ĭon't quote me but this sounds like a variation of the question I asked. Is there a way to convert between Nm and watts for different RPM's? I have an ergometer which displays Nm & watts, depending on the pedal cadence (RPM). I chose the stripped-down U1 mini because of (1) the huge cost difference despite similar functionality and active parts (2) knowing that the sonics of the U1 Mini could be further improved by addition of an external linear power supply to replace the Mini's internal switch mode power supply, thus mimicking the U1 arrangement, (3) not needing the highest DSD and PCM speeds offered by the U1, and (4) figuring that the power line and anti-vibration treatments I would be using with the Mini might further close any performance gap related to the difference in chassis construction between the solid-aluminum block U1 and the assembled aluminum pieces of the U1 Mini.īesides, if down the road I decide I really want the top Lumin streamer, I probably would not go with the U1. This meant either the Lumin U1 at $6,000 or the U1 mini at $2,000. Such two-way traffic might work via a USB hub, but, without testing it, I'm not sure. There are no "pre out/power in" jacks in digital equipment as there were in some old analog integrated amps and receivers. While every Lumin streamer has a digital output (even though they also have onboard DACs), as far as I know, no streamer allows output of a digital signal into a digital EQ, with the output of the digital EQ then being allowed back into that streamer's DAC. Unless the streamer incorporates digital parametric equalization (as the Aries G2 now does), that means I couldn't really use a separate digital equalizer and still use the DAC built into a streamer. Second, I want to be able to use an equalizer in the digital domain to do room correction for my Harbeth M40.2 speakers. First, I think my Benchmark DAC3 HGC is very natural sounding and don't want to give that up. These are automatically installed as released.Īs before with my choice of the Auralic Aries G2, I wanted to concentrate on a unit without a built-in DAC for two reasons. Lumin also seems to be one of the most responsive companies to fixing any glitches users discover, releasing periodic fixes as well as software/firmware enhancements. I did note, however, how much praise the Lumin units and the Lumin control app garnered both for sonics and for reliable, non-glitchy operation, as well as the supposedly top-notch GUI. I'm sure the sonics of the streamer of such a system can be bettered, but in terms of rock-solid reliability, using a "real computer" to tune to and stream directly from music streaming websites-much less connecting to local music files-holds no surprises or glitches to annoy you. I have found that out myself with my new headphone listening system built around my Dell all-in-one desktop computer, discussed here. Those who use general purpose computers for audio streaming have no idea how good they have it in terms of reliable, non-flaky functionality. Now, most high-end streamers are not known for ease of use or reliable functioning. The Lumin products started appearing on my personal audio radar following the problems I encountered with my Auralic Aries G2 (as described in this post in the Auralic's thread). |
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