Epic_10, Epic 10, Low frequency driver – TC Sounds Epic 10 User Manual
Page 2: Thiele small & driver parameters

Epic 10”
Low Frequency Driver
Thiele Small & Driver Parameters
Parameter
10" Epic
Description
Qts
0.31
Total Q
Qes
0.33
Electrical Q
Qms
7.5
Mechanical Q
Fs
24
Hertz, Free Air Resonance
Res
3.72
Ohms, DC resistance
Ls
3.3
H, series inductance
Lp
2.9
H, lossy series inductance
Rp
4.1
Ohms, loss across Lp
Dia
205
m meters, effective
Vas
50
liters, air volume equivalent
mms
133
grams, effective mass
cms
324
um/N, compliance
bl
15.2
T*m, motor strength
SplSens
85.2
dBSPL max @1W absorbed
Parameter
10" Epic
Description
Geometric Stroke
18.1
Millimeters, (voice coil - gap) / 2
70% BL
22.9
Millimeters, BL is 0.7 original value (one way)
Xmech
32.7
Mechanical displacement limit (one way)
Long Term Power
500
Watts
Program Power
2000
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