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Magnepan Full-range ribbon and planar speakers

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Old 11-03-2017, 11:18 PM
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Arrow Magnepan 30.7 Loudspeaker

Robert started a thread on "Prototype Maggies", but now that the model has been confirmed and named the 30.7s I'd like to start a new thread dedicated to this very promising new dipole.

Here are some early thoughts on the 30.7s by Jacob Heilbrunn and Jonathan Valin from The Absolute Sound: link.

Some highlights from the first blog post (several are forthcoming):
  • The 30.7 represents an attempt by Magnepan to build upon and surpass the legendary Tympani IVa, an elaborate six-panel design.
  • Four-panel (two panels per side), line-source, ribbon/quasi-ribbon loudspeaker system of considerable width (a little under four feet across per side!), height (about six-and-a-half feet), and just a couple of inches in depth.
  • Cost: $29,000 per pair
  • Release: January 2018
  • Full review by TAS forthcoming.
  • Jonathan Valin: the 30.7s are "the best ’Pan I’ve ever heard (and, once again, I’ve heard them all) and the best buy in an ultra-high-end loudspeaker I’ve ever come across."


I certainly love the sound of my 20.7s and these 30.7s look like the logical next step, but at 4 feet wide per channel I just don't have the room to place these behemoths in my listening room.

Having said that, never say never and I'll be looking to audition these Maggies in 2018.

Looking forward to reading comments from all Maggie lovers and Tympani fans.
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Two-Channel System: Oppo BDP-105D -> WireWorld Silver Starlight 7 HDMI and Coaxial -> Bryston BDA-3 DAC -> WW Silver Eclipse 7 XLR -> Bent Audio Autoformer Volume Control Passive Line Stage -> WW Silver Eclipse 7 XLR -> Pass Labs XA100.5 monoblocks -> WW Silver Eclipse 7 -> Magnepan 20.7s

Power Distribution: Shunyata Research Hydra Cyclops (for XA100.5s) and Shunyata Research Hydra 4 α (for sources)

Power Cables: Shunyata Research Ξtron Cobra (for Cyclops), Shunyata Research Venom-HC (for XA100.5s and Hydra 4 α), WireWorld Silver Electra 7 (for BDA-3)

Tweaks: GIK Acoustics room treatment, HIFI-Tuning Fuses and Cardas Audio Tweeter + Mid-Range Jumpers on 20.7s, Mye Sound Magnepan speaker stands

Other: PS Audio Power Port outlets, Square D Whole House Surge Protective Device, dedicated 20-ampere lines
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Old 11-03-2017, 11:38 PM
timm timm is offline
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Ooh. Carlos...looking forward to your 'real' review.
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Old 11-04-2017, 05:11 AM
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Originally Posted by timm View Post
ooh. Carlos...looking forward to your 'real' review.
+1! :d
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Old 03-09-2018, 12:29 AM
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Smile Heard the 30.7

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Originally Posted by timm View Post
Ooh. Carlos...looking forward to your 'real' review.
@ the annual Definitive Audio "Music Matters" night in Seattle. Powered. by d'Agostino Progression series amp and Tranparent cables. Source was Clearaudio and optical m/c and Rossini phoho. Amp rep was there and talked about new Relentless series d'Agostino amps to be introduced. Meter is 6in. diameter. 24x31x10 600 lbs. 1500 (8), 6000 (2) ohms. Mags are the product of the year. Sound was clean and delineated. Solid mids, NO need for a subwoofer. So clean it was almost ethereal. Room was crowded but soundstage was tight and impressive. These are great speakers. I did like them more than the Alexa. Won't fit in my house.
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Old 03-09-2018, 12:52 AM
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Default Magnepan 30.7 Loudspeaker

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Originally Posted by The Trace View Post
Room was crowded but soundstage was tight and impressive. These are great speakers. I did like them more than the Alexa. Won't fit in my house.


Interesting - when Marc and I heard them Wednesday night they didn't sound quite like that, and didn't impress. I wonder if they did some tweaking or changed the setup today.
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Last edited by Antonmb; 03-09-2018 at 12:55 AM.
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Old 03-09-2018, 12:55 AM
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Quote:
Originally Posted by Antonmb View Post
Interesting - when Mark and I heard them Wednesday night they didn't sound quite like that, and didn't impress. I wonder if they did some tweaking or changed the setup today.
Right... The bass was weak at best. I was only impressed by the detail and soundstage size. Everything else was lacking to me, yesterday.
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Old 03-09-2018, 02:24 PM
The Trace The Trace is offline
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Default Maggies

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Interesting - when Marc and I heard them Wednesday night they didn't sound quite like that, and didn't impress. I wonder if they did some tweaking or changed the setup today.
I was there Thursday night and tweeking was mentioned but comments were all favorable.
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Old 11-04-2017, 12:23 AM
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Hi Carlos,

The 30.7’s look to take the 20.7’s a step further. But I agree that to really shine, these panels will need a lot of breathing room.

Best,
Ken
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Old 11-10-2017, 02:16 PM
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Originally Posted by PlanarSpeakerFan View Post
Hi Carlos,

The 30.7’s look to take the 20.7’s a step further. But I agree that to really shine, these panels will need a lot of breathing room.


Ken
Ken, not only will they need breathing room but if they really wanted to take them a step further they would have done a much better job with panel bracing / feet IMO. Given the 30k price, again, no excuse IMO.
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Old 11-10-2017, 05:02 PM
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Ken, not only will they need breathing room but if they really wanted to take them a step further they would have done a much better job with panel bracing / feet IMO. Given the 30k price, again, no excuse IMO.
Agree - they should contract with Grant VanderMye to make his Mye Sound stands the official Magnepan speaker stand.
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Two-Channel System: Oppo BDP-105D -> WireWorld Silver Starlight 7 HDMI and Coaxial -> Bryston BDA-3 DAC -> WW Silver Eclipse 7 XLR -> Bent Audio Autoformer Volume Control Passive Line Stage -> WW Silver Eclipse 7 XLR -> Pass Labs XA100.5 monoblocks -> WW Silver Eclipse 7 -> Magnepan 20.7s

Power Distribution: Shunyata Research Hydra Cyclops (for XA100.5s) and Shunyata Research Hydra 4 α (for sources)

Power Cables: Shunyata Research Ξtron Cobra (for Cyclops), Shunyata Research Venom-HC (for XA100.5s and Hydra 4 α), WireWorld Silver Electra 7 (for BDA-3)

Tweaks: GIK Acoustics room treatment, HIFI-Tuning Fuses and Cardas Audio Tweeter + Mid-Range Jumpers on 20.7s, Mye Sound Magnepan speaker stands

Other: PS Audio Power Port outlets, Square D Whole House Surge Protective Device, dedicated 20-ampere lines
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