MarkAudio Alpair 12PW
8" (20cm) bass-midrange driver
/piece
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Description
The Alpair 12PW is a high-quality bass-midrange driver from Mark Audio that has been specially designed for all serious music lovers. With its audiophile, paper and glass fiber reinforced cone and its full range sister drivers 6P, 10P and 12P, it sets new standards in terms of sound neutrality and detailed sound output. Its mid-high frequency range falls off gently above 10kHz, while the frequency response is kept flat throughout to make the acoustic presentation as natural as possible. Features such as the lightweight paper cone and the long-throw suspension ensure a unique listening experience.
Highlights
- Gradually decreasing at 10 kHz
- Lightweight paper membrane
- Long-stroke suspension
- Flat frequency response
Properties
- Speaker series Alpair Series
- Speaker type Midwoofer
- Nominal diameter 20.32 cm
- Load capacity (RMS) 40 watts
- Impedance (Z) 8 ohm
- Sensitivity (SPL at 1m / 2.83V) 87.5 dB
- Frequency response 30 to 12,000 Hz
- Voice coil diameter 2.54 cm
- Direct current resistance (Re) 5.4 ohms
- Voice coil induction (Le) 0.49 mH
- Resonant frequency (Fs) 73.4 Hz
- Mechanical quality (Qms) 1.44
- Electrical quality (Qes) 0.54
- Overall quality (Qts) 0.39
- Moving mass (Mms) 11.69 g
- Diaphragm area (Sd) 147.4 cm²
- Force factor (BL) 5.31 Tm
- Equivalent volume (Vas) 45.02379 liters
- Maximum deflection (Xmax) 8.5 mm
- Cone Material Paper
- Bead material Rubber
- Basket / frame material Glass-Fiber
- Magnet material ferrites
- Outer diameter 20.701 cm
- Total depth 9.6012 cm
- Cut-out diameter 16.7894 cm
- Bolt Circle Diameter 18.5928 cm
- Fixing holes 4
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