TC Sounds Epic 8 - Manual (Page 2)

Epic 8”
Low Frequency Driver
Thiele Small & Driver Parameters
Parameter 8" Epic Description
Qts 0.29 Total Q
Qes 0.31 Electrical Q
Qms 7 Mechanical Q
Fs 28 Hertz, Free Air Resonance
Res 3.78 Ohms, DC resistance
Ls 3.3 H, series inductance
Lp 2.9 H, lossy series inductance
Rp 4.1 Ohms, loss across Lp
Dia 146 m meters, effective
Vas 12 liters, air volume equivalent
mms 108 grams, effective mass
cms 301 um/N, compliance
bl 15.2 T*m, motor strength
SplSens 81.2 dBSPL max @1W absorbed
Parameter 8" 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