Description
DELTA-12LF: 12″ Woofer
Low frequency woofer for pro audio mid-bass or floor monitor applications in a sealed enclosure. Also suitable as a woofer in vented, bass guitar or PA enclosures in vented, bass guitar or PA enclosures. Available in 4 or 8 ohms
Click Here to Download 4 ohm PDF Spec Sheet
Click Here to Download 4 ohm PDF Cabinet Design
Click Here to Download 8 ohm PDF Spec Sheet
Click Here to Download 8 ohm PDF Cabinet Design
Specs:
Nominal Basket Diameter 12″, 304.8mm
Nominal Impedance* 8 ohms
Power Rating Watts 500W
Music Program 1000W
Resonance 51Hz
Usable Frequency Range 44Hz-3kHz
Sensitivity*** 94.6
Magnet Weight 56 oz.
Gap Height 0.375″, 9.53mm
Voice Coil Diameter 2.5″, 63.5mm
Thiele & Small Parameters:
Resonant Frequency (fs) 51Hz
DC Resistance (Re) 6.06
Coil Inductance (Le) 1.45mH
Mechanical Q (Qms) 7.28
Electromagnetic Q (Qes) 0.51
Total Q (Qts) 0.47
Compliance Equivalent Volume (Vas) 67.9 liters / 2.4 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 243cc
Mechanical Compliance of Suspension (Cms) 0.19mm/N
BL Product (BL) 14.1 T-M Diaphram Mass inc.
Airload (Mms) 51 grams
Efficiency Bandwidth Product (EBP) 100
Maximum Linear Excursion (Xmax) 4.8mm
Surface Area of Cone (Sd) 506.7 cm2
Maximum Mechanical Limit (Xlim) 13.5mm
Mounting Information:
Recommended Enclosure
Sealed 19.8-28 liters/0.7-1.0 cu.ft.
Vented 25.5-102 liters/0.9-3.6 cu.ft.
Overall Diameter 12.03″, 305.5mm
Baffle Hole Diameter 10.95″, 278.1mm
Front Sealing Gasket Fitted as standard
Rear Sealing Gasket Fitted as standard
Mounting Holes Diameter 0.25″, 6.4mm
Mounting Holes B.C. D. 11.59″, 294.3mm
Depth 5.35″, 136mm
Net Weight 11.8 lbs., 5.4 kg
Shipping Weight 14 lbs., 6.4 kg
Materials of Construction:
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented and extended core
Basket Materials Pressed steel basket
Cone Composition Paper Cone
Cone Edge Composition Cloth cone edge
Dustcap Composition Solid composition paper dust cap