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  1. sleepysurf

    The Audio Analyst The Martin Logan Story w/ Gayle Sanders!

    Gayle Sanders did a Zoom meeting with our local audiophile club back in March, with anecdotes dating back to his years at ML, and his new direction with Eikon. Here's the (slightly edited) recording...
  2. sleepysurf

    The Pack

    Yeah, but the Saints will be targeting his (incompletely healed) ribs. I suspect Arian's will use him sparingly, if at all.
  3. sleepysurf

    The Audio Analyst The Martin Logan Story w/ Gayle Sanders!

    Wow! Absolutely incredible interview! I had no idea about the roles NASA, Bob Carver, and Paul McGowan played in ML's history, nor the potential partnership with Noel Lee (which, thankfully, never came to fruition)! I'm keeping my fingers crossed that Scott and John Bagby, since acquiring the...
  4. sleepysurf

    In big need of help running the PBK software for my new BF 210. can anyone help me?

    Although it's usually best to get driver updates directly from the computer manufacturer, it might be helpful to check if Intel has an update awaiting Microsoft's approval. Here's the link... Intel® Driver & Support Assistant
  5. sleepysurf

    In big need of help running the PBK software for my new BF 210. can anyone help me?

    I found the post, just in case your computer is a recent model Dell... https://www.avsforum.com/threads/dedicated-arc-genesis-thread.3068892/page-208#post-60966482
  6. sleepysurf

    In big need of help running the PBK software for my new BF 210. can anyone help me?

    The (original) PBK mic has a sticker on it with the serial number (for calibration). It will still work with ARC Genesis. Plug mic into computer (USB), and make sure you also plug in the USB cable connected to the BF210. Launch ARC Genesis. It should recognize the BF210 and mic, and prompt...
  7. sleepysurf

    Double stack ML subs?

    I'm learning the nuances of how MRX receivers apply ARC Genesis, so making good progress sorting things out. Turns out, by default, ARC applies room correction up to 5K. That's what caused the "tizzy" mids from my 13's. Running ARC Genesis in Pro Mode, I created multiple profiles, limiting...
  8. sleepysurf

    Double stack ML subs?

    Jonathan, that's quite impressive! Looks like +/- 5 dB from 20-120+ Hz. I presume those are REW measurements, using a Umik (or equivalent), taken after running Audyssey. Just curious, are those single measurements from the main listening position, or multiple mic positions averaged?
  9. sleepysurf

    Double stack ML subs?

    Jonathan, I agree (somewhat) re the higher frequency room resonance and comb filtering. However, that never showed up (to this extent) with prior XTZ measurements using my C-J preamp with exact same 13A placement, so I'm thinking the Anthem's mandatory conversion of everything to digital (even...
  10. sleepysurf

    Double stack ML subs?

    I ran XTZ Room Analyzer, as promised, but had some glitches with the measurements. I kept getting wonky results in the upper frequencies, as evident in this screen shot. Not sure if it's a problem with the XTZ mic or a glitch with the MRX 740 (or ARC Genesis) processing. There's also a fair...
  11. sleepysurf

    Double stack ML subs?

    Finally had the chance to run ARC Genesis on the Anthem MRX 740, with my 13A's and stacked dual mono subs. Incredible! I finally have subs and mains perfectly time aligned, while eliminating the deep null at my main listening position! The default ARC setting starts crossing over the 13A's to...
  12. sleepysurf

    Double stack ML subs?

    ARC (and others) don't do much boosting to correct nulls. They (appropriately) focus on taming the peaks. Nulls are best dealt with by changing sub(s) placement in room, listening position, and acoustic treatment (if feasible). In my case, the corner stacked subs are actually better than my...
  13. sleepysurf

    summit/13a’s stator spacing

    I reviewed old pics of my original Summits, and there's no discernable difference in how clear the stators are. Perhaps it's the lighting. Main difference is the Summit stat panels had 14 segments, and the 13A's have 15 (because panels are a little taller).
  14. sleepysurf

    Double stack ML subs?

    The new ARC Genesis mic has the calibration curve built in. It looks and feels MUCH more robust (heavy aluminum) vs. the old plastic mic, and I suspect the additional front "mic pinhole" adds additional accuracy. I'm tied up for a few days, but will conduct an experiment next week, running ARC...
  15. sleepysurf

    Double stack ML subs?

    Actually, no cabinet resonance whatsoever, even with the deepest bass, and the turntable has vibration dampening feet. However, I rarely spin vinyl, so it's more of a conversation/art piece.
  16. sleepysurf

    Double stack ML subs?

    Got some help stacking the subs (with 1/4" rubber padding in between). Bass (at main listening position) is already much improved after manually entering speaker distances in the MRX. Will run ARC Genesis again next week. BTW, that's a "Gramovox Floating Record" turntable on top of the sub...
  17. sleepysurf

    Double stack ML subs?

    Before proceeding, I decided to measure ONE sub in the front left corner. Fortunately, my memory was correct! It does yield a smoother bass response and less null around the main listening position! That being the case, I'll proceed with stacking the subs, but won't be able to do that for...
  18. sleepysurf

    Double stack ML subs?

    Shawn (and others), here are two ARC Genesis summary PDF's. One is from 7-28 (run using the mic from the original PBK kit), and one from today, using the newer ARC kit and USB-C mic that came with the MRX. Despite both measurements using the current ARC Genesis version (on Win 10 laptop), the...
  19. sleepysurf

    Double stack ML subs?

    For discussions about the latest Anthem hardware, backorders, and ?? DAC chip, etc. I bumped this other thread... New Anthem processors and receivers debut!
  20. sleepysurf

    New Anthem processors and receivers debut!

    Bumping this thread for continued discussion of the new Anthem gear, and how we're integrating with ML speakers (2 channel and/or Home Theater) using Anthem Room Correction Genesis. Also, wondering how we can check if we have the original AKM AK4458VN DAC chips, or something else (due to AKM...
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