MarkAudio Alpair 12P
8" (20cm) bass-midrange driver
/piece
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Description
The Alpair 12P from Mark Audio is more than just a full range driver. As the largest model produced by this renowned brand, it stands out for its evolution from the original Alpair 12 with metal cone (2009/2010). Through certain design changes, it delivers a fundamental departure in performance and functionality from the original. With highlights such as a custom paper cone, synthetic rubber surround, special voice coil and spider and an unusual suspension structure of the drive train, the Alpair-12P clearly stands out from the mass-produced product. Become part of the Mark Audio community and experience sound characteristics on a new level.
Highlights
- Customized paper membrane
- Synthetic rubber surround
- Special voice coil and spider
- Suspension structure of the drivetrain
Properties
- Speaker series Alpair Series
- Speaker type Full-range
- Nominal diameter 20.32 cm
- Load capacity (RMS) 30 watts
- Impedance (Z) 8 ohm
- Sensitivity (SPL at 1m / 2.83V) 91.73 dB
- Direct current resistance (Re) 7 ohm
- Voice coil induction (Le) 53.952u H
- Resonant frequency (Fs) 42.1 Hz
- Mechanical quality (Qms) 1.981
- Electrical quality (Qes) 0.333
- Overall quality (Qts) 0.29
- Movable mass (Mms) 10,217 g
- Moving Mass Of Diaphragm (Mmd) 9.188 g
- Compliance of the suspension (Cms) 1.396m M/ N
- Diaphragm area (Sd) 147,410 cm²
- Force factor (BL) 7.540 T-M
- Equivalent volume (Vas) 43,060 liters
- Maximum deflection (Xmax) 9 mm
- Outer diameter 20.701 cm
- Total depth 9.6266 cm
- Cut-out diameter 18.5928 cm
- Fixing holes 6
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