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PURIFI PTT4.0M04-NAC-03
PURIFI PTT4.0M04-NAC-03. 4" Ultra Low Distortion Midrange
The 4” midrange driver has been optimized for higher sensitivity compared to the long stroke version.
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The 4” midrange driver has been optimized for higher sensitivity compared to the long stroke version.
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
Designed and manufactured in Denmark
Product Details:
PURIFI PTT4.0M04-NAC-03 Mid-bass Woofer
The 4” midrange driver has been optimized for higher sensitivity compared to the long stroke version. It 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.
Specifications:
Article number: PTT4.0M04-NAC-03
Woofer Type: Mid-bass Woofer
Nominal Diameter: 4"
Power Handling (max): TBD
Sensitivity (SPL at 1m / 2.83V): 86.1 dB
Voice Coil Diameter: 30mm
DC Resistance (Re): 3.4Ω
Voice Coil Inductance (Le): 0.26mH
Resonant Frequency (Fs): 48 Hz
Mechanical Q (Qms): 4.2
Electromagnetic Q (Qes): 0.3
Total Q (Qts): 0.28
Diaphragm Mass Inc. Airload (Mms): 10.1g
Mechanical Compliance of Suspension (Cms): 1.09mm/N
Surface Area of Cone (Sd): 56.7cm2
BL Product (BL): 5.9N/A
Compliance Equivalent Volume (Vas): 5.0L
Maximum Linear Excursion (Xmax): 6.85 mm
Driver's Mechanical Losses (Rms): 0.72kg/s
Cone / Diaphragm Material: Black Anodized Aluminum
Voice Coil Wire Material: CCAW
Overall Outside Diameter: 125mm
Overall Depth: 73.5mm
Baffle Cutout Diameter: 101mm
Mounting Hole Diameter: 4.2mm
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