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        PTT8.0X08-NAB-01 Mid-range Woofer

        PTT8.0X08-NAB-01 Mid-range Woofer

        €699,95

        PURIFI PTT8.0X08-NAB-01 Mid-range Woofer

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        Merk: PURIFI
        € 578,47€ 699,95 Niet op voorraad2 verwacht op 19-04-2024
        • -5% Bestel 4 voor slechts € 664,95 per stuk

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        Productomschrijving

        Dedicated midrange driver with enhanced efficiency. Negligible force factor modulation. Ultra-low magnetic hysteresis distortion. Utilizes PURIFI’s neutral surround technology.

         

        Highlights

        • Negligible Force Factor Modulation and Surround Radiation Distortion
        • Low Magnetic Hysteresis Distortion
        • “Real” long-stroke performance: distortion remains low over full excursion
        • Uncompromised midrange performance
        • Designed and Manufactured in Denmark

         

        Product Details

        PURIFI PTT8.0X08-NAB-02 Mid-range Woofer

         

        The PTT8.0X08-NAB-01 has been optimized for Midrange use and achieves high sensitivity. PURIFI is a fresh company that designs and manufactures extremely high-performance transducers and amplifier modules. Don’t let the freshness fool you; Their leadership team consists out of some well-respected audio technology pioneers. PURIFI developed a deep understanding of many performances degrading aspects for both amplifiers and transducers. 

         

        The challenge 

        Loudspeaker drivers are known to add a large, if not the largest, amount of distortion in an audio signal chain. Reducing this distortion is a challenge with the complication of fine-tuning to improve one part (e.g. harmonic distortion) often results in a degradation of another part (e.g. intermodulation distortion). These distortions consist out of several separate distortion mechanisms. By carefully mapping and completely understanding these mechanisms, PURIFI succeeded in improving the overall performance to a large degree.

         

        A whole new take on driver design

        PURIFI developed mathematical models for the motor system, suspension, cone, and surround. These models allowed for the optimization of each distortion mechanism separately. This systematic approach reduced all distortions mechanisms and keeps intermodulation distortion low. 

         

        The mechanism

        Improvement

        Low force factor modulation

        Current through the voice coil is not distorted by cone movement. Gives undistorted midrange regardless of the excursion

        Constant force factor over excursion - Bl(x)

        Prevents amplitude devotions of midrange output during the large excursion (sometimes called ‘burbling’)

        Low surround radiation distortion

        Reduces harmonic and intermodulation distortion caused by surround

        Low magnetic hysteria distortion

        Reduces harmonic and intermodulation distortion caused by magnetic traces left by the previous cycle

         

        FAQ

        Q: Why is this surround odd-shaped?

        A: This is the PURIFI Natural Surround. Conventional surroundings create distortion as they deform. The shape of the Natural Surround reduces cone edge resonances and distortion. It might be odd-looking, but form follows function here. A more detailed look shows that the surround actually represents a complex sound wave. We are told that the Natural Surround is also called ‘wormy’ by insiders. 

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        Specificaties

        Artikelnummer
        PTT8.0X08-NAB-01
        Nominale diameter
        8.0"
        Belastbaarheid (RMS)
        TBD
        Impedantie (Z)
        8 ohms
        Gevoeligheid (SPL bij 1m / 2.83V)
        86.4 dB
        Spreekspoeldiameter
        52 mm
        Gelijkstroomweerstand (Re)
        6 ohm
        Spreekspoelinductie (Le)
        0.33 mH
        Resonantiefrequentie (Fs)
        24 Hz
        Mechanische Q (Qms)
        5.8
        Elektrische Q (Qes)
        0.37
        Totale Q (Qts)
        0.35
        Bewegende massa (Mms)
        47.6g
        Compliantie van de ophanging (Cms)
        0.95 mm/N
        Effectief oppervlak (Sd)
        235.1 cm2
        Maximaal verplaatst volume (Vd)
        218.6 cm³
        Krachtsfactor (BL)
        10.7
        Equivalentvolume (Vas)
        74.5 L
        Maximale excursie (Xmax)
        9.3 mm
        Driver's Mechanical Losses (Rms)
        1.22 kg/s
        Cone / Diaphragm Material
        Black Anodized Aluminum
        Surroundmateriaal
        Nitrile rubber
        Mand- /framemateriaal
        Aluminum alloy diecast
        Magneetmateriaal
        Ferro-magnetic
        Totale buitendiameter
        221.3 mm
        Totale diepte
        108.5 mm
        Montagegatdiameter
        193 mm
        Bolt Circle Diameter
        5.2 mm
        # Bevestigingsgaten
        6

        Toon meer

        5 van 5
        -
        Door Tim on 8 Mei 2023
        PTT8.0X08-NAB-01 Mid-range Woofer
        € 578,47
        € 699,95
        PTT8.0X08-NAB-01 Mid-range Woofer
        Niet op voorraad
        2 verwacht op 19-04-2024
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