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  1. J

    Bike Advice

    When my knees decided that they had enough jogging, I moved to a recumbent Schwinn bike. Not high tech, just simple operation and smooth flywheel at a reasonable price. My first one was crushed by the moving company so, I’ve had two models, both were around $400. I’ve been happy with both and I...
  2. J

    Stax Tube Amplifier Distortion vs Solid State

    There is no question that the tube energizer has lower power capability before its distortion rises. To the extent you listen softly then you won't notice it. In my use I do and have been frustrated for a lot time about the tube amp becoming distorted before I run out of satisfaction with the...
  3. J

    Looking for room treatment advice

    In addition to the GIK and ATS Acoustic panels in the high visibility areas, I have DIY with interior wall Corning fiberglass from Home Depot and wrapped it with acoustic fabric and placed this in lower visibility areas. I also made a pillow from non-fiberglass acoustic material to absorb some...
  4. J

    Looking for room treatment advice

    Some great articles on reflections, absorption, diffusion, bass traps. https://ethanwiner.com/early_reflections.htm Some relatively affordable, interesting visuals for diffusion and absorption’s. https://www.gikacoustics.com/
  5. J

    Room treatment, advice

    I don’t have sophisticated measurements but I did just as you said. I added fiberglass covered by acoustic fabric (Guilford) behind cabinets, in cabinets, in corners and also put diffusion/absorption on the ceiling and back walls. It strongly reduced the bass standing waves and greatly improved...
  6. J

    Electrostatic Headphone Amplifier Review & Comparison

    Please publish! I’d love to see how you equalize the unit. I have a 700 as well with an RME and Mjolnir amp and I’d like to try your settings.
  7. J

    What items have you purchased as a result of ASR?

    RME ADI-2 DAC. Especially like the digital parametric equalizer. Also helped me to make the move to the KEF Wireless ii after review of the frequency response posted. Thanks Amir
  8. J

    Recommended subwoofer pairing with KEF LS50w?

    In my room of 12 x 21 x 9, the SVS SB3000 have been a great match to my KEF LS50 Wireless ii. Use the KEF digital crossover setting at 75hz. The parametric app works well, I had a high Q boost of 4 db at 63hz to deal with a minor room cancellation (Took care of most of the cancellations with...
  9. J

    New KEF LS50 collection with new Metamaterial Absorption Technology (MAT) coming.

    Funny you should mention The Beach Boys as that is my favorite song from them. I think the meta material really is absorbing the back wave and cleaning up the mids to treble and you can also see that the response is much smoother in the new Wireless ii. It feels so much more relaxing, like few...
  10. J

    New KEF LS50 collection with new Metamaterial Absorption Technology (MAT) coming.

    I haven’t seen many reviews of the KEF LS50 Wireless ii so I thought I would chime in on my experience, especially since I have come directly from the KEF LS50 Wireless. I really enjoyed the original Wireless with pristine and clear sound, with excellent width of imaging and reasonable bass that...
  11. J

    Electrostatic Headphone Amplifier Review & Comparison

    Though the measurement may be challenging and time consuming, I’m very happy to see the continued effort in measuring the electrostatic amplifiers. I’m enjoying seeing all of the measurements of the various equipment from Amir and I recently became a low level donor to support. I’ve always...
  12. J

    Floor choice for best acoustics: Carpet or Wood?

    Excerpt from Ethan Winer, music engineer, link above. SIDEBAR: HARD FLOOR, SOFT CEILING The following is from an exchange that took place in the rec.audio.pro newsgroup in May, 2003: Bill Ruys asked: Why it is recommended to have bare (un-carpeted) floors in the studio? One web site I visited...
  13. J

    Floor choice for best acoustics: Carpet or Wood?

    Here is a great website about room acoustics. https://ethanwiner.com/acoustics.html
  14. J

    Floor choice for best acoustics: Carpet or Wood?

    I installed GIK on my ceilings and then covered them with acoustic fabric to “improve” the look (your mileage may vary).
  15. J

    Floor choice for best acoustics: Carpet or Wood?

    My experience is the same. Recommend hard wood floor with diffraction or absorption in the ceiling. This will open up your sound, especially if you can use diffraction. Also improves the bass range by reducing standing waves. I have tried adding various absorbers on the wood floor but it didn’t...
  16. J

    Cellulose absorbers, comparison to fiberglass

    the fiberglass is definitely bad for your lungs and skin. The cellulose doesn’t bother me at all. I don’t remember the r factor but I think it’s pretty good.
  17. J

    Cellulose absorbers, comparison to fiberglass

    Paul I am using various sound absorbers, mostly made of fiberglass but i did make a pillow from the cellulose material to absorb reflections coming off my leather chair. I covered the cellulose with acoustic fabric and it did the job. I didn’t want the fiberglass close to me and the cellulose...
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