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200 WATT RMS
Purifi Audio-PTT4.0X04-NFC-01-4" (10cm) Mitteltöner-Masori.de
Purifi Audio-PTT4.0X04-NFC-01-4" (10cm) Mitteltöner-Masori.de
Purifi Audio-PTT4.0X04-NFC-01-4" (10cm) Mitteltöner-Masori.de

Purifi Audio PTT4.0X04-NFC-01

4" (10cm) midrange driver

Regular price 299,00€* Sale price294,95€

/Piece

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Inkl. MwSt. Exkl. MwSt. inkl. Versandkosten exkl. Versandkosten

Lowest prior price 239,96€
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Beschreibung

    The PTT4.0X04-NFC-01 is a 4" (10 cm) midrange speaker from the renowned manufacturer Purifi Audio. Despite its compact size, this woofer/midrange speaker impresses with its high power handling and excellent performance in the midrange range. Its low distortion across the entire excursion and frequency range and the special natural surround make the PTT4.0X04-NFC-01 a technological masterpiece in the segment. Developed and manufactured in Denmark, this midrange speaker represents the quintessence of precision and professionalism.

highlights
    • Compact but no less impressive
    • Natural surround from PURIFI
    • Extremely low distortion over the entire deflection range
    • Developed and manufactured in Denmark
    • Excellent midrange performance
    • High resilience
    • High linear deflection limit with constant force factor

characteristics

    • driver size 4" (10cm)
    • impedance 4 ohms
    • DC resistance, RDC 3.8 Ω
    • resonance frequency, fs 38 Hz
    • overall Q-factor, Qts 0.30
    • Effective area, Sd 57 cm2
    • Equivalent volume, Vas 6.4 L
    • SPL@2.83Vrms /1m 84.5 dB
    • Linear Xmax +/- 8.5 mm
    • Mechanical Xmax +/- 13.7 mm
    • IEC power handling 200 W RMS
    • Cone material Proprietary fiber mix

FAQ

F
    : Why is the bead oddly shaped?
A
      This is the PURIFI Natural Surround. Conventional surrounds create distortion when they deform. The shape of the Natural Surround reduces resonance and distortion at the diaphragm edges. It may look strange, but here form follows function. A closer look reveals that the surround actually represents a complex sound wave. We are told that the Natural Surround is also referred to as "wormy" by those in the know.

Data

    • nominal diameter 4"
    • Load capacity (Max) 200  watt
    • power RMS 60  watt
    • Impedance (Z) 4 Ohm
    • Sensitivity 84.5 dB @ 2.83V/1m
    • voice coil diameter 30 mm
    • DC resistance (Re) 3.8 ohms
    • Voice coil induction (Le) 0.38 mH @ 1kHz
    • resonance frequency (Fs) 38 Hz
    • Mechanical quality (Qms) 4.5
    • Electrical quality (Qes) 0.32
    • Total quality (Qts) 0.30
    • Moving mass (Mms) 12.8g
    • Membrane area (Sd) 56.7 cm²
    • displacement volume (Vd) 48.2 cm³
    • force factor (BL) 6.0
    • Equivalent volume (Vas) 6.4 liters
    • Maximum deflection (Xmax) 8.5 mm
    • Mechanical loss  (Rms) 0.66 kg/s

Dimensions

    • Outer diameter: 125mm
    • Installation diameter: 100.5mm
    • Installation depth: 73.5mm