TC Sounds LMS-R 12 - Manual (Page 2)

LMS-R 12”
Low Frequency Driver
Thiele Small & Driver Parameters
Parameter 12" LMS-R Description
Qts 0.43 Total Q
Qes 0.46 Electrical Q
Qms 6.7 Mechanical Q
Fs 28 Hertz, Free Air Resonance
Res 3.96 Ohms, DC resistance
Ls 4.7 H, series inductance
Lp 7.7 H, lossy series inductance
Rp 5.1 Ohms, loss across Lp
Dia 250 m meters, effective
Vas 39 liters, air volume equivalent
mms 280 grams, effective mass
cms 115 um/N, compliance
bl 20.5 T*m, motor strength
SplSens 84.5 dBSPL max @1W absorbed
Parameter 12" LMS-R Description
Geometric Stroke 24.1 Millimeters, (voice coil - gap) / 2
70% BL 29.4 Millimeters, BL is 0.7 original value (one way)
Xmech 39.4 Mechanical displacement limit (one way)
Long Term Power 1000 Watts
Program Power 4000 Watts, short term peak power limit
*Impedance and TS parameters measured with the coil in series.
*For full system alignment and enclosure recommendations, please visit our website: www.tcsounds.com