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PURIFI PTT4.0X08-NAC-03
PURIFI PTT4.0X08-NAC-03. 4" Ultra Low Distortion Extended Woofer
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The 4” long-stroke driver incorporates the easily recognizable PURIFI NeutralSurround suspension and ultra-linear motor system PURIFI PureDrive technology working in concert to elevate performance to a whole new level despite of it’s compact size.
Highlights:
Vibroacoustic optimized cone and dust cap in black anodized aluminum
Negligible Force Factor Modulation (FFM) and Surround Radiation Distortion (SRD)
Low Magnetic Hysteresis Distortion (MHD)
Dedicated midrange driver with enhanced efficiency
"Real" long-stroke performance with distortion remaining low over full excursion
Uncompromised midrange performance
Designed and manufactured in Denmark
Product Details:
PURIFI PTT4.0X08-NAC-03 Woofer
The PURIFI PTT4.0X08-NAC-03 is a 4-inch long-stroke driver that delivers impressive bass response, clarity, and detail. It features a vibroacoustic optimized cone and dust cap in black anodized aluminum, as well as negligible Force Factor Modulation (FFM) and Surround Radiation Distortion (SRD). The PTT4.0X08-NAC-03 has a high sensitivity of 92dB and a wide frequency response of 60Hz-20kHz.
The PTT4.0X08-NAC-03 is a versatile driver that can be used in a variety of applications, including home audio, studio monitors, and professional sound reinforcement. It is also a popular choice for DIY speaker projects. The long-stroke design of the PTT4.0X08-NAC-03 allows it to produce deep bass response, while the high sensitivity ensures that it can be driven by a variety of amplifiers.
Specifications:
Woofer Type: Long Stroke driver
Nominal Diameter: 4"
Power Handling (RMS): 200 Watts
Sensitivity (SPL at 1m / 2.83V): 81.8 dB
Voice Coil Diameter: 30 mm
DC Resistance (Re): 6.5 Ω
Resonant Frequency (Fs): 43 Hz
Mechanical Q (Qms): 4.1
Electromagnetic Q (Qes): 0.43
Total Q (Qts): 0.39
Diaphragm Mass Inc. Airload (Mms): 11.9 g
Mechanical Compliance of Suspension (Cms): 1.16 mm/N
Surface Area of Cone (Sd): 56.7 cm2
BL Product (BL): 7.0 N/A
Compliance Equivalent Volume (Vas): 5.3 L
Maximum Linear Excursion (Xmax): 6,85 mm
Driver's Mechanical Losses (Rms): 0.79 kg/s
Baffle Cutout Diameter: 101 mm
Mounting Hole Diameter: 4.2 mm
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