–
40
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B
LAUPUNKT
T
ECHNICAL
S
PECIFICATIONS
- PC
WG
120, 12” S
UBWOOFER
12.1
(306 mm)
5.5
(140 mm)
11.2
(284 mm)
5.5
(140 mm)
5.8
(147 mm)
PARAMETER VALUE
POWER HANDLING
200 Watts rms
600 Watts peak
SENSITIVITY
93 dB (2.83V/1m)
90 dB (1W/1m)
FREQ. RESPONSE
20 - 2kHz
NOMINAL IMPEDANCE
4 ohms
MAGNET WEIGHT
40 oz
MOUNTING CUTOUT DIMENSIONS
11.2 inches (284mm)
MOUNTING DEPTH
5.5 inches (140mm)
AIR VOLUME DISPLACEMENT
0.27 cu.ft.
VOICE COIL DIAMETER
2.0 inches
THIELE-SMALL PARAMETERS
Resonance frequency
28 Hz
Total Q factor (Qts)
0.45
Electrical Q factor (Qes)
0.48
Mechanical Q factor (Qms)
9.89
Volume equivalent compliance (Vas)
4.30 cu.ft.
Linear excursion (Xmax)
0.25 in. (1 direction)
DC resistance (Re)
3.47 (ohms)
Force factor (BL)
10.3 (Tm)
Effective cone area (Sd)
500 (sq.cm.)
Compliance (Cms)
340 (uM/N)
Moving mass (Mms)
84 g
COMMON BOX DESIGNS
SEALED BOX--
VOLUME (cu. ft.) COMMENTS
Small box
0.75
Not a lot of deep bass but O.K. for most listeners
Pounder
1.5
O.K. low end but tons of power handling - JAM ON IT!
Most accurate
2.0
Very natural low frequency performance with good transient response
–VENTED BOX--
Small box
0.75
A little boomy due to small box
Pounder
1.5
HIT IT HARD! (..as long as you don’t hit it with lots of subsonic frequencies)
Most accurate
2.0
Really pleasant deep bass with good tonal quality
--SINGLE VENT BANDPASS--
Small box
2.0
Somewhat “one-note” performance due to small box
Pounder
2.5
Narrow bandwidth but crying out for a serious “beating”
Most accurate
3.5
Super low frequency response but trade off for lower audio output
