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      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer

      PURIFI PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer

      €399,95

      2 Arrivo previsto il 01-05-2026

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      PURIFI PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer

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      5.25" | 8 Ω
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      € 330,54€ 399,95 Esaurito2 Arrivo previsto il 01-05-2026
      • -5% Acquista 4 per soli € 379,95 per pezzo
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      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer

      Descrizione del prodotto PURIFI PTT5.25X08-NAA-05 Woofer

      The Purifi PTT5.25X08-NAA-05 is a high-performance 133 mm extended woofer engineered for ultra low distortion and long linear excursion. Designed for uncompromised sound quality, it delivers exceptional bass control and clean midrange performance in compact high-end loudspeaker systems.

       

      Highlights of the Purifi PTT5.25X08-NAA-05

      • Real long-stroke design with ±9.8 mm linear excursion for low distortion across the full operating range.
      • Negligible force factor modulation and low magnetic hysteresis distortion for superior clarity.
      • Black anodized aluminum cone combining rigidity and low moving mass.
      • Designed and manufactured in Denmark with a focus on precision and consistency.

       

      Product details Purifi PTT5.25X08-NAA-05

      Purifi PTT5.25X08-NAA-05 133 mm Extended Woofer

       

      The Purifi PTT5.25X08-NAA-05 is a premium 8 ohm extended woofer developed for high-end hi-fi and studio monitor applications. With a resonance frequency of approximately 29 Hz and a total Q factor of 0.30, it is well suited for compact sealed or vented enclosures where accurate low-frequency reproduction is required.

       

      The driver features a rigid black anodized aluminum cone and a carefully optimized motor system that minimizes force factor modulation and inductance variation. This results in exceptionally low harmonic and intermodulation distortion, even at high excursion levels, while preserving clean and detailed midrange response.

       

      A 39 mm diameter, four-layer CCAW voice coil combined with a long-stroke suspension enables a linear excursion of ±9.8 mm and a mechanical limit of ±14.0 mm. The effective piston area of approximately 85 cm2 and an equivalent volume of around 12 L support deep bass capability from a compact form factor.

       

      The PTT5.25X08-NAA-05 is rated for 250 W IEC long-term power handling, making it suitable for demanding audiophile and DIY loudspeaker designs. Its combination of advanced motor technology, robust mechanical construction, and precise engineering ensures consistent, high-fidelity performance in critical listening applications.

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      Specifiche

      Numero dell'articolo:
      PTT5.25X08-NAA-05
      EAN
      9508281119486
      Tipo di woofer
      Mid-range Woofer
      Diametro nominale
      5.25"
      Gestione della potenza (RMS)
      70 Watts
      Gestione della potenza (max)
      250 Watts
      Impedenza (Z)
      8 Ω
      Sensibilità (SPL a 1m / 2,83V)
      83.1 dB
      Risposta in frequenza
      30-6.000 Hz
      Diametro della bobina mobile
      39 mm
      Resistenza DC (Re)
      5.9 Ω
      Induttanza della bobina mobile (Le)
      0.50 mH
      Frequenza di risonanza (Fs)
      30 Hz
      Fattore di merito meccanico (Qms)
      5.8
      Fattore di merito elettromagnetico (Qes)
      0.32
      Fattore di merito totale (Qts)
      0.3
      Massa del diaframma incl. la massa dell'aria (Mms)
      23.5 g
      Cedevolezza meccanica della sospensione (Cms)
      1.22 mm/N
      Superficie del cono (Sd)
      84.9 cm²
      Prodotto BL (BL)
      9.1 N/A
      Volume equivalente di cedevolezza (Vas)
      12.4 Liters
      Escursione lineare massima (Xmax)
      +/-9.8 mm
      Perdite meccaniche del driver (Rms)
      0.76 kg/s
      Materiale del filo della bobina mobile
      CCAW
      Diametro esterno complessivo
      147 mm
      Profondità complessiva
      75 mm
      Diametro del ritaglio del pannello frontale
      121 mm
      Diametro del cerchio dei fori di montaggio
      4.2 mm
      # Numero di fori di montaggio
      6

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      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      € 330,54
      € 399,95
      PTT5.25X08-NAA-05 5.25" Ultra Low Distortion Woofer
      Esaurito
      2 Arrivo previsto il 01-05-2026
      Aggiungi al carrello
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