LAB 12 | 12" Professional Series Speaker

Nominal Basket Diameter

12", 305 mm

Nominal Impedance*

6 Ω

Power Rating*

800 W

400 W

Resonance

22 Hz

Usable Frequency Range

25 Hz - 0.1 kHz

Sensitivity*

89.2 dB

Magnet Weight

160 oz.

Gap Height

0.375", 9.5 mm

Voice Coil Diameter

2.5", 64 mm

Resonant Frequency (fs)

22 Hz

DC Resistance (Re)

4.29 Ω

Coil Inductance (Le)

1.48m H

Mechanical Q (Qms)

13.32

Electromagnetic Q (Qes)

0.39

Total Q (Qts)

0.38

Compliance Equivalent Volume (Vas)

125.2 liters / 4.42 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

659 cc

Mechanical Compliance of Suspension (Cms)

0.35 mm/N

BL Product (BL)

15 T-M

Diaphragm Mass Inc. Airload (MMs)

146 grams

Efficiency Bandwidth Product (EBP)

56

Maximum Linear Excursion (Xmax)

13 mm

Surface Area of Cone (Sd)

506.7 cm2

Maximum Mechanical Limit (Xlim)

22 mm

Recommended Enclosure Volume

22.7-28.3 liters / 0.8-1 cu.ft.

45.3-101.9 liters / 1.6-3.6 cu.ft.

Driver Volume Displaced

0.109 cu.ft. / 3.09 liters

Overall Diameter

12.32", 312.9 mm

Baffle Hole Diameter

11.04", 280.4 mm

Front Sealing Gasket

Yes

Rear Sealing Gasket

N/A

Mounting Holes Diameter

0.26", 6.6mm

Mounting Holes B.C.D.

11.77", 299mm

Depth

6.44", 163.6 mm

Net Weight

22 lbs, 9.98 kg

Shipping Weight

23.8 lbs, 10.8 kgs

Coil Construction

Copper voice coil

Coil Former

Polyimide former

Magnet Composition

Double stacked 80 oz. ferrite magnets

Core Details

Vented and extended core

Basket Materials

12-spoke die-cast aluminum basket

Cone Composition

Kevlar-reinforced paper cone

Cone Edge Composition

Foam cone edge

Dust Cap Composition

Dual inverted dust caps