| Eminence Black Mountain - 30W 12" Alnico Guitar Speaker 8 Ohms
SPECIFICATION:
Nominal Basket Diameter 12", 304.8mm
Nominal Impedance* 8 ohms
Power Rating
Watts 30W
Music Program
Resonance 69Hz
Usable Frequency Range 70Hz-5.5kHz
Sensitivity*** 101.3
Magnet Weight 35 oz.
Gap Height 0.312", 7.94mm
Voice Coil Diameter 1.75", 44.45mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 68.58Hz
DC Resistance (Re) 6.44
Coil Inductance (Le) .62 mH
Mechanical Q (Qms) 8.13
Electromagnetic Q (Qes) 0.53
Total Q (Qts) 0.50
Compliance Equivalent Volume (Vas) 69.64 liters / 2.46 cu.ft.
Mechanical Compliance of Suspension (Cms) 0.19 mm/N
BL Product (BL) 12.07 T-M
Diaphram Mass inc. Airload (Mms) 27.8 grams
Efficiency Bandwidth Product (EBP) 129.2
Maximum Linear Excursion (Xmax) 0.8mm
Surface Area of Cone (Sd) 506.7 cm2
Maximum Mechanical Limit (Xlim)
MOUNTING INFORMATION
Recommended Enclosure
Sealed Acceptable
Vented
Overall Diameter 12.26", 311.4mm
Baffle Hole Diameter 11.06", 280.9mm
Front Sealing Gasket fitted as standard
Rear Sealing Gasket fitted as standard
Mounting Holes Diameter 0.25", 6.4mm
Mounting Holes B.C. D. 11.71", 297.4mm
Depth 5.95", 151.1mm
Net Weight 8.9 lbs, 4.04 kg
Shipping Weight 11.1 lbs, 5 kg
MATERIALS OF CONSTRUCTION
Coil Construction Copper Voice Coil
Coil Former Paper former
Magnet Composition Alnico magnet
Core Details
Basket Materials Pressed steel basket
Cone Composition Seamed Paper Cone
Cone Edge Composition Paper cone edge
Dustcap Composition Treated paper dust cap
This product has been discontinued - please do not try to order this item we will not be able to supply it - the product details are here for reference only. Please contact a member of staff, and we may be able to find an equivalent product for you.
|
