Eminence Alpha 8a 8" 20cm TMT

Autor

Beitrag

Autogol1
Stammgast

#1 erstellt: 26. Jul 2015, 16:39

Preis (Pflichtangabe!):75

Standort:Braunschweig

Zustand:2-3

Artikelbeschreibung:
Biete hier mein Paar Eminence Alpha 8a!
Hatte diese gebraucht gekauft um diese in das "Mutterschiff" meiner Frau zu bauen, nun haben wir uns doch gegen den Einbau entschieden und so kommt alles (und noch mehr) wieder Untern Hammer!

SPECIFICATION der Alpha 8

Nominal Basket Diameter 8", 203.2mm
Nominal Impedance* 8 ohms
Power Rating** Watts 125W / Music Program 250W
Resonance 73Hz
Usable Frequency Range*** 58Hz-5kHz
Sensitivity 94
Magnet Weight 20 oz.
Gap Height 0.25", 6.35mm
Voice Coil Diameter 1.5", 38.1mm

THIELE & Small Parameters

Resonant Frequency (fs) 73Hz
DC Resistance (Re) 5.3
Coil Inductance (Le) 0.44mH
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) 67cc
Mechanical Compliance of Suspension (Cms) 0.28mm/N
BL Product (BL) 7.8 T-M
Diaphragm Mass inc. Airload (Mms) 17 grams
Efficiency Bandwidth Product (EBP) 107
Maximum Linear Excursion (Xmax) 3.2mm
Surface Area of Cone (Sd) 210.0 cm2
Maximum Mechanical Limit (Xlim) 7.1mm

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", 209.2mm
Baffle Hole Diameter 7.13", 181mm
Front Sealing Gasket fitted as standard
Rear Sealing Gasket fitted as standard
Mounting Holes Diameter 0.22", 5.5mm
Mounting Holes B.C.D. 7.75", 196.9mm
Depth 3.25", 83mm
Net Weight 4.3 lbs., 1.9 kg
Shipping Weight 5.1 lbs., 2.3 kg

Desweiteren wird auch noch ein paar Omnes Bb2.01, Helix A2 Comp., Micro Precision 7.28, Helix DB5 und eine X-Pulse 1000.5!