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  1. Rumpole

    Paramount Pressing in Denver

    Nice article in the Denver Post on Paramount Pressing https://www.denverpost.com/2025/04/25/paramount-pressing-record-plant-lp-vinyl-gary-salstrom-david-rawlings/
  2. Rumpole

    Any cyclists here?

    Is this an April Fools joke? Several of the quotes read like a joke.
  3. Rumpole

    What's Everyone Reading

  4. Rumpole

    AGD Productions Duet Monoblocks

    I have the AGD Duets driven directly by the Playback Designs MPS-8 variable volume control, no preamp, with YG Hailey 3 speakers. I'm comparing the Duets with some other amps, no definite conclusions yet, but I'm very happy with this set-up, and I plan to use the AGD amps in the summer since I...
  5. Rumpole

    Boulder vs. D'Agostino listening impressions

    Probably better not to engage with him - on Audiogon he posted non-stop about how SIM audio is better than anything else. Insufferable. Hope we do not get a repeat of that thread here.
  6. Rumpole

    PS Audio Regenerator versus Balanced Power/Isolation Transformer for Phono Stage?

    Here is an example from my Ting monitor.
  7. Rumpole

    PS Audio Regenerator versus Balanced Power/Isolation Transformer for Phono Stage?

    I see about a 0.5 V drop when I turn on a baseboard electric heater that draws around 1 kW. Seems like it would have to be a huge power draw to reduce the voltage that much. I don't know what large appliance would turn on ever 30 minutes for just a few seconds. It might be interesting to...
  8. Rumpole

    Yikes!!!!! Spain plans to cut workweek to improve work-life balance

    A lot of Americans would agree with this. It is difficult to generalize about work. If you have a creative job that you love, you can happily work 100 hours a week, at least for a time. If you have a soul crushing job that you hate, 40 hours a week can be intolerable - especially considering...
  9. Rumpole

    First Watt SIT 5

    Steve Guttenberg (Youtube Audiophiliac) has the SIT-5 and is working on a review. He has a lot of experience with Pass and FirstWatt amps, so it will be interesting to hear his take.
  10. Rumpole

    Half Way To Hell Here In SoCal

    The Marin County Fire chief has some good presentations on youtube about fire defensible space and fire resistant material, including shots of neighborhoods were the house burned even though the fire didn't burn the nearby trees and plants. It really emphasizes the importance of renovating...
  11. Rumpole

    Battery Power

    @Kingrex - again, there is a very low fire risk from LiFePO4 batteries. I would be more worried about the inverter quality in the battery. The HOBOTECH youtube channel does a very comprehensive review of solar generators/batteries. At 12:40 minutes into this video he checks the inverter...
  12. Rumpole

    Ting monitors and power quality

    I have variable clouds today and I'm tracking my solar panel power generation and my Ting monitor for voltage and high frequency noise. There is a strong relationship between the variability in solar panel generation and Ting measured voltage. The voltage increase from 124 V to 125.5 V as the...
  13. Rumpole

    Battery Power

    4000 fires from which type of batteries? Probably the more hazardous lithium ion batteries, not the LiFePO4 batteries that have very low fire risk and a much longer lifetime. DarTZeel uses LiFePO4 for their preamp.
  14. Rumpole

    Battery Power

    Did you see any statistics on fires by battery type? I'm guessing they are from lithium ion batteries. I've read that LiFePo4 batteries are much safer and very low fire risk.
  15. Rumpole

    Chicago - Worst power grid

    How are you measuring distortion in your house mains? The white paper that I linked to above has a lot more detail, including maps. I'm in a 0-5% THD area, but I'd like to get a more precise estimate. I should be able to get it from my Ting monitor, but they are not reporting THD numbers on...
  16. Rumpole

    Chicago - Worst power grid

    The white paper goes into much more detail. Check out the figures in the section quoted below.
  17. Rumpole

    Chicago - Worst power grid

    From the article they say that "Whisker Labs will start alerting customers that have installed the company’s home sensor devices about bad harmonics starting this week, so that households inform local utilities about potential problems. " Data is collected with the Ting monitor that Whisker...
  18. Rumpole

    Ting monitors and power quality

    I've posted in other threads my weekly Ting summary of power quality. Ting is a monitor that my insurance company provides to monitor fire risk in my home electrical wiring. I'm exploring if it is useful for monitoring power quality for my stereo system. In addition to the weekly summary of...
  19. Rumpole

    Half Way To Hell Here In SoCal

    Ron - I'm posting about fire defensible space and extreme weather, not politics. Facts. I've experienced multiple mandatory fire evacuations and pre-evacuations. I've lived through multiple 100 mph windstorms with fires within a few miles from my house. And when I write about making houses...
  20. Rumpole

    Half Way To Hell Here In SoCal

    The Marshall fire in Superior/Lousiville CO on December 30, 2021 was a wake-up call about the risk of fire in urban/suburban areas. We were always worried about people living in the wildland interface with lots of trees, but when you have extreme drought and 100 mph winds, there is almost...
  21. Rumpole

    First Watt SIT 5

    Looking at the FirstWatt webpage, the SIT-3 and SIT-4 do have the negative phase second harmonic, and I think they all do. In the SIT-3 manual Nelson says it is the signature that they preferred in the previous SIT amps. In his interview with Steve Guttenberg, Nelson said: There is no mention...
  22. Rumpole

    YG Acoustics to debut Reference 3 Series at Munich High End 2023

    Yes, you can replace the faceplate, the tweeter, the crossover and the binding posts in the full upgrade. I believe the Hailey 2 upgrade to version 3 is identical to new production, but you can call YG to verify.
  23. Rumpole

    YG Acoustics to debut Reference 3 Series at Munich High End 2023

    Yes, the new face plate has a new waveguide for the tweeter.
  24. Rumpole

    "The Fall Guy"

    Absolutely awful. I read good reviews and was looking forward to it. I cut my losses and stopped halfway through, but I regret watching the first half.
  25. Rumpole

    Black Doves

    I really enjoyed the plot development initially, but like a lot of modern shows, it devolves into a video game like montage of the heroes walking through a dark building killing dozens of villains who leap out around corners shooting at them, but always miss. It is better if I skip over the...
  26. Rumpole

    A Charlie Brown Christmas

    I see it listed in Qobuz as the "Super Deluxe" edition, which I think is based on a 4 CD 80 track set released in 2022, but in the Qobuz download store I only see the "2012 Remastered & Expanded Edition" that has 14 tracks, and I don't see an option to purchase the Deluxe edition. Did your...
  27. Rumpole

    Solar Cell electricity effect on Audio???

    Here is a link to a study of THD using Ting monitors. Does anyone else have one of these in their home? I'm hoping to determine if I can use my Ting monitor to assess power quality in my home. They also have a web page to check power quality from different providers.
  28. Rumpole

    The Time Has Come .....I've gone solar

    It depends on your panels' microinverters and your battery system. My SunPower panels with Enphase microinverters output AC power, so there would be some power loss if I used these panels to charge a whole house battery backup system. But I believe you can find panels that will output DC...
  29. Rumpole

    The Time Has Come .....I've gone solar

    I do not have a whole house battery system. Like Steve, I decided it was not worth the cost. I have a bunch of camping equipment including two small solar generators (EcoFlow and Growwatt) so when I do lose utility power, I can get by fine for several days. So my solar PV is feeding into the...
  30. Rumpole

    The Time Has Come .....I've gone solar

    Steve - thanks for starting this thread. It has been five years since the last update on this thread - so there should be a much larger set of solar PV audiophile users by now? My SunPower system with Enphase micro-inverters was installed two years ago on a detached garage with a metal roof...

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