Purifi Audio PTT4.0M04-NAC-03
4" (10cm) midrange driver
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Beschreibung
Experience Pure Audio excellence with the PTT4.0M04-NAC-03, a custom-designed midrange driver from Purifi Audio. This 4" mid-woofer is optimized for increased sensitivity and features such as a vibro-acoustically optimized diaphragm and black anodized aluminum dust cap, low Magnetic Hysteresis Distortion (MHD), negligible Force Factor Modulation (FFM) and Surround Radiation Distortion (SRD). Other special features include the enhanced efficiency midrange driver and the Danish-made design. With its strong focus on quality and performance, the PTT4.0M04-NAC-03 sets new standards in mid-woofers.
highlights
- Vibroacoustically optimized membrane and dust cap made of black anodized aluminum
- Negligible Force Factor Modulation (FFM) and Surround Radiation Distortion (SRD)
- Low magnetic hysteresis distortion (MHD)
- Dedicated midrange driver with improved efficiency
- Developed and manufactured in Denmark
Characteristics
- woofer type Mid-bass woofer
- nominal diameter 10 cm
- Sensitivity (SPL at 1m / 2.83V) 86.1 dB
- voice coil diameter 30mm
- DC resistance (Re) 3.4Ω
- Voice coil induction (Le) 0.26mH
- resonance frequency (Fs) 48 Hz
- Mechanical quality (Qms) 4.2
- Electrical quality (Qes) 0.3
- overall quality (Qts) 0.28
- Moving mass (Mms) 10.1g
- Suspension compliance (Cms) 1.09mm/N
- Membrane area (Sd) 56.7cm2
- Force Factor (BL) 5.9N/A
- equivalent volume (Vas) 5.0L
- Maximum deflection (Xmax) 6.85 mm
- Driver's Mechanical Losses (Rms) 0.72kg/s
- Cone / Diaphragm Material Black Anodized Aluminum
- voice coil wire material CCAW
- outer diameter 125mm
- total depth 73.5mm
- cutout diameter 101mm
- mounting hole diameter 4.2mm
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