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    PURIFI PTT8.0X08-NAB-02 Tiefmitteltöner

    578,47 €699,95 € Nicht auf Lager6 erwartet auf 16-12-2022
    • -5% Bestellung 4 für nur € 664,95 pro stück

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    Produktbeschreibung

    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-02 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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    Eigenschaften

    Artikelnummer:
    PTT8.0X08-NAB-02
    Nenndurchmesser
    8.0"
    Belastbarkeit (QMW)
    TBD
    Impedanz (Z)
    8 ohms
    Empfindlichkeit
    86.4 dB @ 2.83V/1m
    Schwingspulendurchmesser
    52 mm
    Gleichstromwiderstand (Re)
    6 ohm
    Schwingspuleninduktion (Le)
    0.33 mH
    Resonanzfrequenz (Fs)
    24 Hz
    Mechanische Güte (Qms)
    5.8
    Elektrische Güte (Qes)
    0.37
    Gesamtgüte (Qts)
    0.35
    Bewegliche Masse (Mms)
    47.6g
    Nachgiebigkeit der Aufhängung (Cms)
    0.95 mm/N
    Membranfläche (Sd)
    235.1 cm2
    Verschiebevolumen (Vd)
    218.6 cm³
    Kraftfaktor (BL)
    10.7
    Äquivalentvolumen (Vas)
    74.5 L
    Maximale Auslenkung (Xmax)
    9.3 mm
    Driver's Mechanical Losses (Rms)
    1.22 kg/s
    Cone / Diaphragm Material
    Black Anodized Aluminum
    Sicke-Material
    Nitrile rubber
    Korb- / Rahmenmaterial
    Aluminum alloy diecast
    Magnetmaterial
    Ferro-magnetic
    Außendurchmesser
    221.3 mm
    Gesamttiefe
    108.5 mm
    Ausschnittdurchmesser
    193 mm
    Bolt Circle Diameter
    5.2 mm
    # Befestigungsbohrungen
    6

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    PTT8.0X08-NAB-02 Tiefmitteltöner
    578,47 €
    699,95 €
    PTT8.0X08-NAB-02 Tiefmitteltöner
    Nicht auf Lager
    6 erwartet auf 16-12-2022
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