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Headphones Dual or More Dynamic IEM/earbud/headphone Thread, a.k.a. DDM
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VagueConcerns
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 Jul 26 2014, 01:22 AM
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QUOTE(phillip88 @ Jul 25 2014, 11:15 PM) wkkm007Radius DDM = Dual diaphragm Matrix It isn't 2 dynamic driver, but 1 driver 2 diaphragms. So, kinda awkward here LOL. Latest version is TWF-22r (on my ears now   ) IEM: Havi B3-Pro1 Powerbeats by Dr. Dre Well yes and no I think. Yes they share the same magnet, but still each have their own voice coils. I'm still unclear about the usage of a crossover though. But the "smear" (but really just an aggressive dip in that freq range which sounds a little off) in the high mids in DDM1 suggests something more than just simple parallel wiring. There's a "frequency divider" according to Radius, is that the crossover? This post has been edited by VagueConcerns: Jul 26 2014, 01:24 AM |
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VagueConcerns
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Jul 27 2014, 02:22 AM
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QUOTE(phillip88 @ Jul 26 2014, 07:41 AM) Aggressive dip in frequency range? Is there one? I didn't notice with this one now. Can you tell me more? Yeah, the "frequency divider" looks very much like a crossover, but according to the picture, it looks like a magnet or something. I'm not proficient in speaker technology either. But certainly, they claim it sound like hall. This one I think they achieved their objective. It really is spacious. Deep and wide with the reverb. I'm having a hard time recalling and describing it. Sometime the sound gets veiled, and then you can hear the two drivers each doing their own thing. I can sort of hear them "splitting up". Incoherence is the word I think. If I remember back the music I listen to when I notice it, it is somewhere in the mid frequency, but not sure of it's at the high-mids. This post has been edited by VagueConcerns: Jul 27 2014, 02:23 AM |
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VagueConcerns
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Mar 23 2016, 01:14 AM
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Yeah, went to their website a few days ago to see how they're doing. Those things look cool. They're using piezo now, but still retain the "co-axial" driver arrangement.
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VagueConcerns
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Mar 23 2016, 09:34 AM
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QUOTE(wkkm007 @ Mar 23 2016, 01:21 AM) I tested out both model during CanJam Singapore 2016  HP-TWf31 more relaxing bass extension so far the best IEM I had listen deep and low end frequency. HP-TW41 too much of detail analytical but for sting instrument can fight Shure KSE1500 bass extension deep and low end frequency same as HP-TWf31 Nice. Pricing? |
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VagueConcerns
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Mar 23 2016, 08:00 PM
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I remember the joy and horrors of owning the first DDM. Great sound, weird sound stage, horrible ergonomics.
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VagueConcerns
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Mar 23 2016, 10:24 PM
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Maybe they tried a little too hard on their new offerings.
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