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Markaudio Alpair-12PW 8" Paper Woofer

€ 115,66€ 139,95 Nicht auf Lager: Lieferzeit beträgt 4-6 Woche
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Produktbeschreibung

The Alpair 12PW is a audiophile grade paper and glass strand reinforced coned bass-mid driver. Along with its full-range sister drivers, 6P,10P and 12P, the Alpair 12PW is designed for the serious music listener. The 12PW’s relatively flat response is designed to deliver a neutral sound. The mid-high range gradually falls away above 10kHz.

 

Highlights

  • Gradual roll-off @10kHz
  • Lightweight paper cone
  • Longthrow suspension
  • Flat response

 

Product details

Markaudio Alpair-12PW 8” Paper Woofer

 

The Alpair 12PW is a audiophile grade paper and glass strand reinforced coned bass-mid driver. Along with its full-range sister drivers, 6P,10P and 12P, the Alpair 12PW is designed for the serious music listener. The 12PW’s relatively flat response is designed to deliver a neutral sound. The mid-high range gradually falls away above 10kHz.

 

The development of this driver follows its full-range sister unit, the Alpair 12P. Both drivers are Semi-Free-To-Air designs, relying solely on their rear suspensions for mechanical operation. The Alpair 12PW has a reinforced rear suspension and a new coil to enable handling of typical audiophile low frequency loads (not constant low frequency loads).

 

The 12PW has a long mechanical throw, limited by its arrestor to 8.5mm (1 way). This driver is a low-mass design, its power-train has a moving mass of 11.7 grams yet delivers a Vas of 45 litres with a total Q of 0.39, making it ideal for larger scale purist box designs.

 

An all-new computer controlled bonding process deployed on this driver, delivering ultra tight tolerances in critical parts of the 12PW’s power-train assembly.

 

The 12PW is primarily designed to be partnered with the Alpair 7P yet will also be a excellent partner for many tweeters. The marriage between 7P and 12PW promises much in the way of deep rich bass and fine mid-high range detail.

Eigenschaften

Artikelnummer:
Alpair-12PW
Tieftöner-Serie
Alpair Series
Tieftönertyp
Midwoofer
Nenndurchmesser
8"
Belastbarkeit (QMW)
40 Watts
Impedanz (Z)
8 ohms
Empfindlichkeit
87.5 dB 2.83V/1m
Frequenzgang
30 to 12,000 Hz
Schwingspulendurchmesser
1"
Gleichstromwiderstand (Re)
5.4 ohms
Schwingspuleninduktion (Le)
0.49 mH
Resonanzfrequenz (Fs)
73.4 Hz
Mechanische Güte (Qms)
1.44
Elektrische Güte (Qes)
0.54
Gesamtgüte (Qts)
0.39
Bewegliche Masse (Mms)
11.69 g
Membranfläche (Sd)
147.4 cm²
Kraftfaktor (BL)
5.31 Tm
Äquivalentvolumen (Vas)
1.59 ft.³
Maximale Auslenkung (Xmax)
8.5 mm
Cone / Diaphragm Material
Paper
Sicke-Material
Rubber
Korb- / Rahmenmaterial
Glass-Fibre
Magnetmaterial
Ferrite
Außendurchmesser
8.15"
Gesamttiefe
3.78"
Ausschnittdurchmesser
6.61"
Bolt Circle Diameter
7.32"
# Befestigungsbohrungen
4

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