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    NEW PURIFI 8'' MWoofer [PTT8.0X04]

    Hi. What are your project with this ?
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    NEW PURIFI 8'' MWoofer [PTT8.0X04]

    The 6.5" mid is clearly more specific but not without interest. It seems intended to cover a 200Hz-2200Hz (high and smooth fr without distorsion) Give a 12" woofer, this mid and a waveguided tweeter to a good designer and I am all in. But I agree, it is maybe less a game changer than the...
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    NEW PURIFI 8'' MWoofer [PTT8.0X04]

    I agree, it's a great data. Only regret is that the bass ton frequency is not modified given driver use. For instance, for the purifi midrange I will have chosen 150hz and/or 350hz. This driver will probably be used in the 200hz-2300hz range.
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    Hypex NC252MP cooling

    I have two nc252mp waiting (I will not have time to build the amp before arpil/may) I am not convinced that it will be efficient but it will not be difficult to add a heatsink behind the module alu plate with a thin layer of thermal paste and to fix it to the case (I will use a modu case...
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    Introducing Directiva - An ASR open source platform speaker project

    I do not want to derail the thread on other driver but I was wondering if there are specific parameter (VAS, Qts, Xmax, etc...) your are looking for when building a cardioid for a given driver size (around 6inch to stay in the thread) ? I know how these paramaters play in woofer aligment and...
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    Minidsp Flex Review (Audio DSP)

    :facepalm: motu ul mk5 vs minidsp flex debate is not the same in Europe. I have seen the motu at 685 euros several times.
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    Setting up an active crossover using Roon

    Really nice to share. One day I would like to try the same setup. There is also a excellent thread with rpi4+camillaDsp solution, any opinion on pros and cons of the two solutions ? Maybe it is a stupid question but with this setup you are limited to listen music with roon ? Ones a week I use...
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    Speaker designs using Purifi drivers

    If you really want a Purifi driver, given the frequency range, you might consider PTT6.5M dedicated midrange. Given the xmax, it should play 350Hz without limitation.
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    Introducing Directiva - An ASR open source platform speaker project

    Nice work ! Do you use a resistive port like d&d 8c to achieve a cardiod patern ?
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    PMA-NC252MP power amplifier

    Thx for your experience. Yes the module already have an alu plate. I was thinking on the 3 solutions: 1) mount nc252mp directly to chassis (like everybody) 2) mount nc252mp alu plate with the GPU plate with a very thin layer of paste and cut a square on the bottom of chassis (passive ventilation...
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    PMA-NC252MP power amplifier

    Hi. I am planning on building a 6 Ch AMP (I already have 3 module nc252mp but I will probably only use 2 + something else because the nc252mp is overkill for tweeters ;)). Regarding thermal dissipation do you think this kind of copper plate (for GPU) could be useful or its a waste of money (30...
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    Speaker designs using Purifi drivers

    I agree. I was just trying to find the highest XO possible. If I had to play with it, I would start at 2 kHz in vituixcad.
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    Speaker designs using Purifi drivers

    Indeed, hificompass measurements suggests that it could be cross maybe to 2.3kz with LR4
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    Kii THREE Review

    Hi, I am interested of how the cardioid is actively achieved on this speaker. If you had some link where it is detailed. Thx !
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    New Purifi 6.5 midwoofer

    I have never neither purifi or satori but you read hificompass review on its website. He gives objective measurement and its subjective impression of purifi vs satori vs scanpeak.
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    Midrange dome drivers banned ?

    I thought exactly the same. I work in a huge group leader in different areas (engine, rocket, systems, equipment...) and it is occasional and difficult to exchange views with similar field colleagues and it never happens with far field colleagues but perhaps Yamaha is different...
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    Is Jay talking about Amir?

    Unless I am mistaken, he is the one who design taipuu speaker (https://taipuuspeakers.fi/en/taipuu-speakers-dsp-active-speakers/). I am not a expert and I am not able to judge the quality of its work but from my perspective its work (VituixCAD & taipuu) indicate that he has more knowlegde and...
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    Is Jay talking about Amir?

    Its a pitty if specialist like you leave this forum. My feeling is that the game is over for dac and amp which perform way beyond human threshold. But there is still a lot to understand with speakers, drivers, room interactions, EQ, parameters which matter vs others (IMD, linear distorsion...
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    Midrange dome drivers banned ?

    Simulations with VituixCAD seem to show that the closest spacing may not provide the best overall power response. According to VituixCAD developer something between 1.2 and 1.5 fc wavelength appears to provide the best power response while 0.5 to 0.7 provides the worst case result. With your...
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    Focal Clear Review (headphone)

    As curiosity, did you try an abx test to identify you capability to heard this 2.5db bump ? No offense, I just want to know if my hearing is definitevely inferior ? If I can improve it ? Or if it is not that easy for others to identify it.
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