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Eminence Alpha - 8" Speaker 125 W 8 Ohm

Item number: ADHEA8A

ALPHA- Series 100W- 200W

Recommended for professional audio mid-range applications in a sealed cabinet, or as a mid-bass in a vented satellite enclosure.


SPECIFICATION
  • Nominal Basket Diameter 8", 203.2 mm
  • Nominal Impedance 8 ohms
  • Power Rating Watts 125 W / Music Program 250 W
  • Resonance 73 Hz
  • Usable Frequency Range 58 Hz - 5 kHz
  • Sensitivity 94
  • 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) 73 Hz
  • DC Resistance (Re) 5.3
  • Coil Inductance (Le) 0.44 mH
  • Mechanical Q (Qms) 4.6
  • Electromagnetic Q (Qes) 0.68
  • Total Q (Qts) 0.59
  • Compliance Equivalent Volume (Vas) 17.7 liters / 0.6 cu. ft.
  • Peak Diaphragm Displacement Volume (Vd) 67 cc
  • Mechanical Compliance of Suspension (Cms) 0.28 mm/N
  • BL Product (BL) 7.8 T-M
  • Diaphragm Mass inc. Airload (Mms) 17 grams
  • Efficiency Bandwidth Product (EBP) 107
  • Maximum Linear Excursion (Xmax) 3.2 mm
  • Surface Area of Cone (Sd) 210.0 cm²
  • Maximum Mechanical Limit (Xlim) 7.1 mm

MOUNTING Information
  • Recommended Enclosure Volume
    Sealed 5-7 liters / 0.18-0.25 cu. ft.
    Vented 16.7-25.5 liters / 0.59-0.90 cu. ft.
  • Overall Diameter 8.24", 209.2 mm
  • Baffle Hole Diameter 7.13", 181 mm
  • Front Sealing Gasket fitted as standard
  • Rear Sealing Gasket fitted as standard
  • Mounting Holes Diameter 0.22", 5.5 mm
  • Mounting Holes B.C.D. 7.75", 196.9 mm
  • Depth 3.25", 83 mm

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

Category: Eminence


64,00 €

including 19% VAT., plus shipping (Paketversand)

Recommended retail price: 86,80 €
(You save 26.27%, that is 22,80 €)
Must be ordered. Ready for shipment in 2 days

Shipping time: 3 - 5 workdays



Description

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


  • Produktart: Lautsprecher-Chassis
  • Typ: PA
  • nominaler Durchmesser: 8 ", 203,2 mm
  • Schwingspule: 1,5 ", 38,1 mm
  • Gesamtdurchmesser: 209,2 mm
  • Lochkreisdurchmesser: 196,9 mm
  • Ausschnittdurchmesser: 181 mm
  • Durchmesser Befestigungslöcher: 5,5 mm
  • Tiefe: 83 mm
  • nominale Impedanz: 8 Ohm
  • nominale Belastbarkeit: 125 W
  • maximale Belastbarkeit: 250 W
  • Empfindlichkeit (1 W / 1 m): 94 dB
  • Frequenzgang: 58 - 5000 Hz
  • Material Schwingspule: Kupfer
  • Magnet: Ferrit
  • Magnetspalt-Tiefe: 6,35 mm

Thiele & Small Parameter

  • Fs (Resonanzfrequenz): 73 Hz
  • Re (Gleichstromwiderstand): 5,3 Ohm
  • Qms (Mechanische Güte): 4,6
  • Le (Induktivität der Schwingspule): 0,44 mH
  • Qes (Elektrische Güte): 0,68
  • Qts (Gesamtgüte): 0,59
  • Vas (Ã?quavilentvolumen): 17,7
  • Mms (Bewegte Masse): 17 g
  • BL (Kraftfaktor): 7,8 Tesla/meter
  • Xmax (Maximale Auslenkung): 3,2 mm
  • Cms (Nachgiebigkeit der Aufhängung): 0,28 mm/N
  • Sd (Membranfläche): 210 cm²
  • Gewicht: 2,31 kg

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