12P150
150-Watt 12" Coaxial Compression Driver
Lowell Manufacturing Company • 100 Integram Drive • Pacific, Missouri 63069 U.S.A.
Call 800.325.9660, 636.257.3400 • Fax 636.257.6606 • Click www.lowellmfg.com
Lowell makes every effort to provide accurate information and reserves the right to change specifications and/or improve manufacturing methods.
Download and print this spec from www.lowellmfg.com to insure that you have the most current information
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12P150 Driver Specifications
11.6 in. (295mm)
Mounting bolt circle
12.02 in.
(305mm)
7.13 in.
(182mm)
0.250 in. (0.635 cm) 8 places
PERFORMANCE
Power Handling 150 watts RMS measured per EIA Standard RS-426A
Sensitivity 101dB SPL (peak), 96dB SPL (avg) measured 2.83V @ 1m
Impedance 8 ohms (nominal), 6.7 ohms @170Hz (minimum)
Frequency Response 40Hz-20kHz (nominal), 30Hz-20kHz (+
5dB)
Crossover Frequency 2500Hz, 3rd order high pass filter, 2nd order low pass filter
Dispersion Angle 70° @ 2000Hz octave (-6dB)
PHYSICAL - WOOFER
Cone Material Treated paper with cloth surround
Magnet Weight, Material 38oz. (1077g), strontium ferrite ceramic
Voice Coil Diameter, Material 2 inch (51mm), copper wire over Kapton former
Terminals Quick disconnect type - spade lugs
PHYSICAL - TWEETER
Type Compression driver
Magnet Weight, Material 7.7oz. (217g), ferrite ceramic
Voice Coil Diameter, Material 1 inch (26mm), copper wire
Ferrofluid Yes
Diaphragm Material Phenolic
MECHANICAL
Basket 18 gauge stamped steel with black electrocoat
Outside Diameter 12.02 inch (305mm)
Mounting Bolt Circle 11.6 inch (295mm) with 8 holes equally spaced at 45 degrees.
Cutout Diameter 11 inch (279mm)
Mounting Depth 7.13 inch (182mm)
Net Weight 9.75 lbs. (4.4kg)
THIELE-SMALL PARAMETERS
Pe....................150W Qts......................0.48 BL ..........................9.5Tm Sd ....................82.5 in
2
, 532cm
2
Fs....................38Hz Qes ....................0.51 Efficiency,ηη..........2.2% Mms ................34g
Xmax ..............0.12 in., 3mm Qms ....................7.4 Vas ..........................206 liters, 7.3 cu.ft. Cms..................0.51mm/N
Re ..................5.6Ω
Optional Transformer Specifications (order separately)*
Xfmr Model Xfmr Xfmr Xfmr Xfmr Xfmr Xfmr
(NOT mounted) Weight Power Rating Primary Voltage Primary Taps Response Insertion Loss
TLS10070 7.5 lb 100 Watts 70V 16, 32, 64, 100W 20Hz - 20kHz +1dB 0.6dB
TLS3270 4.7 lb 32 Watts 70V 8, 16, 32W 20Hz - 20kHz +1dB 0.6dB
TLM10070 4.5 lb 100 Watts 70V 16, 32, 64, 100W 50Hz - 15kHz +1dB 0.6dB
TLM3270 3.2 lb 32 Watts 70V 8, 16, 32W 50Hz - 15kHz +1dB 0.6dB
*Note: The transformer mounts independantly; not to the driver.
Drivers