PURIFI PTT5.25X04-NFA-01 5.25” Midrange 3,8 ohm
PURIFI PTT5.25X04-NFA-01 5.25” Midrange 3,8 ohm
PURIFI PTT5.25X04-NFA-01 5.25” Midrange 3,8 ohm
PURIFI PTT5.25X04-NFA-01 5.25” Midrange 3,8 ohm
    PURIFI PTT5.25X04-NFA-01 5.25” Midrange 3,8 ohm
    PURIFI PTT5.25X04-NFA-01 5.25” Midrange 3,8 ohm
    PURIFI PTT5.25X04-NFA-01 5.25”...
    PURIFI PTT5.25X04-NFA-01 5.25” Midrange 3,8 ohm
    PURIFI PTT5.25X04-NFA-01 5.25” Midrange 3,8 ohm

    PURIFI PTT5.25X04-NFA-01 5.25” Midrange 3,8 ohm

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    €399.95
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    PURIFI PTT5.25X04-NFA-01 Mid-range Woofer

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

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    PURIFI PTT5.25X04-NFA-01 Mid-range Woofer

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

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    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

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    Product Details

    PURIFI PTT5.25X04-NFA-01 Mid-range Woofer The PTT5.25X04-NFA-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.

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    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.

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    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.

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    Specifications

    Article number PTT5.25X04-NFA-01
    Woofer Series PTT NFA
    Nominal Diameter 5.25”
    Power Handling (RMS) 250 W
    Sensitivity 85.7 dB
    DC Resistance (Re) 3.8 Ω
    Resonant Frequency (Fs) 29 Hz
    Total Q (Qts) 0.26
    Surface Area of Cone (Sd) 85 cm2
    Compliance Equivalent Volume (Vas) 13 L
    Maximum Linear Excursion (Xmax) +/- 9.8 mm
    Cone / Diaphragm Material Proprietary Fibre Mix
    PTT5.25X04-NFA-01
    6 Items

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