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Planar Speaker Asylum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: Just spitballing here,.. posted by DustyC on February 22, 2025 at 11:14:50:
Yes, that would push them to the next level. My own modified Tympani IVA's are set up that way, with the computer handling the DSP.
Danville has been demonstrating systems along these lines, using their DSP with Maggies and dipole woofers that they put together.
Anyone can create a system like this with a processor and amps, but with the x.7's, it may entail taking the socks off or cutting a hole. It's easy with the early models, in fact, you can repurpose the jumper connectors since you don't need tweeter resistors with DSP.
You also need a high level high pass filter on the ribbon tweeter. I don't know that you actually gain anything by tri-amping because you already need an analog HPF on the ribbons to protect them. I have my system tri-amped, but that's mostly because my mids (Neo 8's) are much more sensitive than the rest of the speaker and I don't like using resistors (though I did use them at one point). I have Hypex on the bass and will try it on the midrange at some point (it's a 4 channel amp). I have an A-21 on the tweeters, which is absurd, so if the Hypex mids work out I think I'll move the AHB-2 up there and sell the A-21, which has somehow gotten heavier each year while my back has stayed just as strong as it always was. :-)
That said, I think bi- and tri-amping makes a big difference with Maggies, however it's done. And I'm not sure that it's all the electronic XO, or even any of it -- a direct connection to the amp means that the speaker is electronically damped by the amplifier even outside the XO passband.
I also suggested to them that they offer a Y version with a DSP plate amp on the back of the speaker and use it to drive the bass panel, which benefits more than anything else from DSP, but it seems that no one was interested in my idea.
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Follow Ups
- RE: Just spitballing here,.. - josh358 12:19:22 02/25/25 (3)
- RE: "because you already need an analog HPF on the ribbons to protect them" ,.. - andyr 20:10:37 03/18/25 (2)
- RE: "because you already need an analog HPF on the ribbons to protect them" ,.. - Roger Gustavsson 00:31:39 03/19/25 (1)
- RE: "because you already need an analog HPF on the ribbons to protect them" ,.. - andyr 00:47:20 03/19/25 (0)
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