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GRS 10" planar mid

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  • #1

    GRS 10" planar mid

    I don't want to be misled by the specs, or general overview. Would this driver be suitable for use crossed at 400hz? What about 800hz?

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    https://www.parts-express.com/GRS-PT5010-8-10-Planar-Mid-Tweeter-8-Ohm-272-130?quantity=1
    GRS PT5010-8 10" Planar Mid/Tweeter 8 OhmGRS PT5010-8 10" Planar Mid/Tweeter 8 OhmDesigned to deliver high efficiency with extremely smooth response.With the ability to provide low distortion output from 200-8,000 Hz, the GRS PT5010-8 open back midrange/tweeter is an excellent choice for use in 2-way designs or even as a drop in replacement for many existing systems.Key Specs: Tweeter Type: Planar MagneticPower Handling (RMS): 70 WattsPower Handling (MAX): 140 WattsImpedance: 8Ω Frequency Response: 200 - 8,000 HzSensitivity: 94dB 2.83V/1mDiaphragm Material: Polyethylene Naphthalate Full SpecificationsManualFrequency Response & ImpedanceThanks to a lightweight damped Polyethylene Naphthalate film diaphragm driven by 56 powerful neodymium magnets in a push-pull arrangement, this driver is capable of incredible transient response and detail. With a nearly linear 6.8 ohm impedance keeps crossover design simple with predictable final results. In addition, the open back design gives this midrange/tweeter true dipole radiation making it the perfect choice for use in high end open baffle speaker designs.Optional Faceplate AvailableAdd the final touches to any build that uses the PT5010-8 with the optional faceplate! When the tweeter is attached to the faceplate, the resulting shape is easier to flush mount into your speaker baffle, creating a clean aesthetic and reducing diffraction.Buy Now!Shop all GRS Planar Tweeters and FaceplatesGRS Planar Tweeters provide great transients, and frequency response at the fantastic value you expect from GRS GRS PT2522-4Nominal Impedance: 4ohmFrequency Response: 1800-20kHzBuy NowGRS PT6825-8Nominal Impedance: 8ohmFrequency Response: 250-20kHzBuy NowGRS PT6816-8Nominal Impedance: 8ohmFrequency Response: 320-20kHzBuy NowGRS PT5010-8Nominal Impedance: 8ohmFrequency Response: 200-8kHzBuy Now GRS PT2522-FP Face Plate for PT2522-4 and PT2522C-4Buy NowGRS PT6825-FP Face Plate for PT6825-8 Planar TweeterBuy NowGRS PT6816-FP Face Plate for PT6816-8 Planar TweeterBuy NowGRS PT5010-FP Face Plate for PT5010-8 Planar TweeterBuy Now Shop All GRS Planar Tweeters and Faceplates Learn MoreRequest Quote SpecificationsQ&AReviewsManuals & Resources
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  • #2
    Only way to know in my opinion is to buy one and listen to it in your room with your typical volume levels.

    It does have a surface area larger than an RS180 or PM180, but probably very little X axis travel. There is a very small impedance bump around 200 hertz, not sure how that would affect the sound.

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    • #3
      No fs specified but assume it's around the 200hz mark. The frequency response is, well, interesting to say the least. Huge dip at 500 hz, might be better suited to the higher crossover point perhaps crossing to a small woofer with a shallow lowpass?

      Not sure if you're specifically looking to work with a planar or not, but I'd suggest the SB Acoustics MD60N-6 would be a better midrange to work with crossed at that 800hz point.
      Constructions: Dayton+SB 2-Way v1 | Dayton+SB 2-Way v2 | Fabios (SB Monitors)
      Refurbs: KLH 2 | Rega Ela Mk1

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      • #4
        Originally posted by DeZZar View Post
        No fs specified but assume it's around the 200hz mark. The frequency response is, well, interesting to say the least. Huge dip at 500 hz, might be better suited to the higher crossover point perhaps crossing to a small woofer with a shallow lowpass?

        Not sure if you're specifically looking to work with a planar or not, but I'd suggest the SB Acoustics MD60N-6 would be a better midrange to work with crossed at that 800hz point.
        They list 200 to 8k as the usable range, and 70w power handling. Sounds too good to be true. I'd like to know if it can even handle a 400hz x-over point with as much output as a good tweeter.

        I'm trying to come up with a design with limited vertical response. There's no information in the specs about vertical off-axis, but I'd assume it falls off considerably.

        After a closer look at the specs, I see that the horizontal off axis is not what I need, so it's not going to work for this design.

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        • #5
          I almost completely ignore usable range specs as they tend to be highly exaggerated and misleading.
          I'm certainly not good at this. Just stubborn enough to keep going.
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          • #6
            That planar, as far as I know, is a remake of the B&G Neo10 and may include some "upgrades" specced by Danny Richie. The Neo10 was quite the mid and performed well past expectations and specs would lead one to believe. It might be useful to search for discussions related to the Neo10 to gather insight into what this thing can potentially do, along with its limitations - such as baffle dimensions, or the lack there of and the debate between enclosing the back of it or leaving it to play in dipole.

            An example to read up on would be Dan Neubecker's Echelon project. I believe he crossed the Neo10 at 325 and 2100Hz and he ran it open back.

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