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Eminence Alpha - 12" Speaker 150 W 8 Ohm

Item number: ADHEA12A

ALPHA-12A Series Standard American

Recommended for professional audio mid-bass applications in a small sealed or medium vented enclosure.


SPECIFICATION
  • Nominal Basket Diameter 12", 304.8 mm
  • Nominal Impedance 8 ohms
  • Power Rating Watts 150 W / Music Program 450 W
  • Resonance 49 Hz
  • Usable Frequency Range 51 Hz - 4.3 kHz
  • Sensitivity 95.6
  • Magnet Weight 20 oz.
  • Gap Height 0.25", 6.35 mm
  • Voice Coil Diameter 1.5", 38.1 mm

THIELE & Small Parameters
  • Resonant Frequency (fs) 49 Hz
  • DC Resistance (Re) 6.3
  • Coil Inductance (Le) 0.79 mH
  • Mechanical Q (Qms) 6.53
  • Electromagnetic Q (Qes) 0.88
  • Total Q (Qts) 0.77
  • Compliance Equivalent Volume (Vas) 121.5 liters / 4.3 cu. ft.
  • Peak Diaphragm Displacement Volume (Vd) 125 cc
  • Mechanical Compliance of Suspension (Cms) 0.32 mm/N
  • BL Product (BL) 8.5 T-M
  • Diaphragm Mass inc. Airload (Mms) 33 grams
  • Efficiency Bandwidth Product (EBP) 56
  • Maximum Linear Excursion (Xmax) 2.4 mm
  • Surface Area of Cone (Sd) 519.5 cm²
  • Maximum Mechanical Limit (Xlim) 6.6 mm

MOUNTING Information
  • Recommended Enclosure Volume
    Sealed 17-22.7 liters / 0.6-0.8 cu. ft.
    Vented 56.6-113.3 liters / 2-4 cu. ft.
  • Overall Diameter 12.26", 311.4 mm
  • Baffle Hole Diameter 11", 279.5 mm
  • Front Sealing Gasket fitted as standard
  • Rear Sealing Gasket fitted as standard
  • Mounting Holes Diameter 0.25", 6.4 mm
  • Mounting Holes B.C.D. 11.71", 297.5 mm
  • Depth 4.73", 120 mm

MATERIALS of Construction
  • Copper voice coil
  • Polyimide former
  • Ferrite magnet
  • Vented and extended core
  • Pressed steel basket
  • Paper Cone
  • Cloth cone edge
  • Solid composition felt dust cap

Category: Eminence


73,99 €

including 19% VAT., plus shipping (Paketversand)

Recommended retail price: 100,20 €
(You save 26.16%, that is 26,21 €)
Must be ordered. Ready for shipment in 2 days

Shipping time: 3 - 5 workdays



Description

Empfohlen als Tief-/Mitteltöner für professionelle Audioanwendungen (kleine, geschlossene oder mittelgroße Bassreflex-Gehäuse).


  • Produktart: Lautsprecher-Chassis
  • Typ: PA
  • nominaler Durchmesser: 12 ", 304,8 mm
  • Schwingspule: 1,5 ", 38,1 mm
  • Gesamtdurchmesser: 311,4 mm
  • Lochkreisdurchmesser: 297,5 mm
  • Ausschnittdurchmesser: 279,5 mm
  • Durchmesser Befestigungslöcher: 6,4 mm
  • Tiefe: 120 mm
  • nominale Impedanz: 8 Ohm
  • nominale Belastbarkeit: 150 W
  • maximale Belastbarkeit: 300 W
  • Empfindlichkeit (1 W / 1 m): 95,6 dB
  • Frequenzgang: 51 - 4300 Hz
  • Material Schwingspule: Kupfer
  • Magnet: Ferrit
  • Magnetspalt-Tiefe: 6,35 mm

Thiele & Small Parameter

  • Fs (Resonanzfrequenz): 49 Hz
  • Re (Gleichstromwiderstand): 6,3 Ohm
  • Qms (Mechanische Güte): 6,53
  • Le (Induktivität der Schwingspule): 0,79 mH
  • Qes (Elektrische Güte): 0,88
  • Qts (Gesamtgüte): 0,77
  • Vas (Ã?quavilentvolumen): 121,5
  • Mms (Bewegte Masse): 33 g
  • BL (Kraftfaktor): 8,5 Tesla/meter
  • Xmax (Maximale Auslenkung): 2,4 mm
  • Cms (Nachgiebigkeit der Aufhängung): 0,32 mm/N
  • Sd (Membranfläche): 519,5 cm²
  • Gewicht: 3,36 kg

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