CUSTOM

PRECISION TRANSDUCERS

LF12P901

WOOFER

3-inch, fiberglass inside/outside copper voice coil
900W continuous program power handling
97 dB Sensitivity
40 Hz – 2 kHz Frequency range

Where to buy

Features

3-inch, fiberglass inside/outside copper voice coil
900W continuous program power handling
97 dB Sensitivity
40 Hz – 2 kHz Frequency range
M-roll surround and exponential cone geometry

High power 12" woofer. Very good power handling, excellent and very low distortion. Copper voice coil construction, suspensions and cone materials designed to survive at 450Watt RMS power.

CUSTOM

Part number:

11100139
LF12P901

Specifications

General specifications

Nominal Diameter

12 inch / 305 mm

Rated Impedance

8 ohm

Program Power (watt)

900 W

Power handling capacity

450 W

Sensitivity

97.0 dB

Frequency range

40 - 2000 Hz

Effective piston diameter

260 mm / 10.24 inch

Max. Excursion Before Damage

36 mm / 1.42 inch

Minimum Impedance (ohm)

7.0 ohm

Voice Coil Diameter

3.0 inch / 76 mm

Voice Coil Winding Material

Copper

Voice Coil Length

19 mm / 0.75 inch

Number of layers

Kind of layers

inside/outside

Top Plate Thickness

10 mm / 0.39 inch

Cone Design

Curved

Surround Material

Polycotton

Surround Design

M-roll

Magnets

Ceramic

Spider

Thiele - small parameters

Resonance frequency (Fs)

43 Hz

DC resistance (Re) (ohm)

5.80 ohm

Mechanical factor

4.60 Qms

Electrical factor

0.23 Qes

Total factor

0.22 Qts

Bl factor (Bl) (T x m)

19.00 T x m

Effective moving mass (Mms)

56.0 g

Equivalent Cas air loaded (Vas)

97.0 liters

Effective piston area (Sd)

56.000 m2

Max. linear excursion (Xmax)

7 mm

Voice coil inductance @ 1kHz (Le1k)

1.20 mH

Half-space efficency (Eff)

3.23%

Mounting information

Overall diameter

320 mm / 12.6 inches

Bolt circle diameter

293-304 mm / 11.54-11.97 inch

Bolt hole diameter

7 mm / 0.28 inch

Front mount baffle cut-out

282 mm / 11.1 inch

Rear mount baffle cut-out

284 mm / 11.18 inch

Volume occupied by the driver

2.6 liters / 0.1 ft3

Standard compliance

Safety agency

CE compliant

Size / Weight

Height

140 mm / 5.51 inches

Diameter

320 mm / 12.6 inches

Weight

7 kg / 15.43 lbs

Shipping information

Package Height

210 mm / 8.27 inches

Package Width

360 mm / 14.17 inches

Package Depth

360 mm / 14.17 inches

Package Weight

8.05 kg / 17.75 lbs

Downloads

SPECIFICATIONS

SPECSHEET - ENG

PDF

389 KB

19-08-2024

ACOUSTIC MEASUREMENTS

PDF

63 KB

11-07-2024

DRAWINGS

LINE ART 2D

PDF

305 KB

18-04-2018

Icone allineate