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  1. 12B4A

    JBL 705P Studio Monitor Review

    I've been real happy with the 5 units I bought once consumers were able to purchase. My memory is crap but I remember not seeing that narrow dip out in the room but only when I measured when the mic was 1m from the speaker. I never heard it at my listening position while incrementing through the...
  2. 12B4A

    Charles Sprinkle's Kali Audio LP-6

    In Rouslan's teardown of the 305, he claims to have found the source of the hiss as 400khz power supply parasitics leaking in to the analog input because of PCB layout. He mentions that a star grounding scheme would alleviate this compared to the ground plane/pour. If this is the case, achieving...
  3. 12B4A

    Evidence-based Speaker Designs

    I think this could be done with magnepans by just slightly canting the fixed magnets assembly a little so that their field strength has a weaker interaction with the ribbon the further up the assembly.
  4. 12B4A

    Evidence-based Speaker Designs

    Invert a 2nd one and stack it on top and:
  5. 12B4A

    Dirac Unison

    Update for 2019:
  6. 12B4A

    JBL 705P / 708P

    If they did, they don't mention it anywhere in the manual nor in their promotional material. This is what describes the RJ45 port: HiQnet PORT – This port allows feature updates as they become available
  7. 12B4A

    JBL 705P / 708P

    I've not seen anything to indicate that the 7Pseries HiQNet port can be used to receive audio data.
  8. 12B4A

    JBL 705P / 708P

    ADC used in 7 series.
  9. 12B4A

    Amp Camp Amp Pre-Orders

    The M2 does look interesting because of the interstage xfmr. I don't have direct experience but it seems the Sony VFET might be more aligned with your goals. Of course, the problem is finding the parts but SS devices with triode curves seem like the right foundation.
  10. 12B4A

    Amp Camp Amp Pre-Orders

    After building all in question here: the Aleph J is just a more powerful, slightly cleaner ACA but with significantly more Btu radiation. It's also significantly more costly to build an Aleph J with a chassis that'll usually end up 5-7 times heavier than the ACA chassis. It's not something I...
  11. 12B4A

    LSR 305 and 308 discontinued.............read below

    If you define "less enthralled" as having the urge to change speakers eliminated, then yes. There's no doubt the 7 series is a journey down the diminishing returns curve but at the same time, they are free from the specific faults arising from the cheap ass cost-effective design and...
  12. 12B4A

    Amazing Loudspeaker from Carver Corp.

    If he's not doing any kind of Legendre shading then it's just going to be another straight line source with lobing in the emission which might explain your impression.
  13. 12B4A

    Charles Sprinkle's Kali Audio LP-6

    When I watched Paul McGowan's youtube video explaining why consumers shouldn't use studio monitors, I pulled an eye muscle by rolling them too hard. I refuse to link to it. Thanks for coming back. Get those Spins out! If they are as good or better than your closest competitor, then you'll have...
  14. 12B4A

    Charles Sprinkle's Kali Audio LP-6

    :) How much residual hiss/noise is there when there is no input signal? Will Kali publish Spin-o-rama/radiation pattern measurements? Which DSP/amp chip is being used?
  15. 12B4A

    Charles Sprinkle's Kali Audio LP-6

    The 305's were crossed at 1.7khz and AFAICT, they didn't implement any of the limiting functions of the DSP/Amp chip. When your amp can only do 40 watts and the design goal is [email protected], I think its safe to use a tweeter that traded off efficiency/power handling for low freq. extension. For their...
  16. 12B4A

    Charles Sprinkle's Kali Audio LP-6

    One can't help but think they are going after JBL's segment in the prosumer market. JBL's LSR 3-series was their biggest volume seller and this active studio monitor is offering very similar setup and manufacturing design traits. Kali Audio's $149 LP-6 seems to be starting with the same...
  17. 12B4A

    "Apple Homepod: a Speaker to Reinvent Home Music"

    They do that for error free encoding in to their format, not because they think it's audibly better.
  18. 12B4A

    "Apple Homepod: a Speaker to Reinvent Home Music"

    AFAIK, 48khz is the highest sample rate Airplay 2 will ever support. There was no mention in the WWDC developer presentation about anything above 48khz. It was pretty clear in that presentation that AP2 data throughput enhancements were clearly aimed at multiple streaming and dramatically...
  19. 12B4A

    "Apple Homepod: a Speaker to Reinvent Home Music"

    Airplay 2 has been released in the iOS 11.4 update. That means stereo pairing and multiroom support has landed just barely before WWDC.
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