TC Sounds Epic 12 User Manual

Epic 12”

(Specifications Manual)

Epic 12”

Low Frequency Driver

Thiele Small & Driver Parameters

Parameter 12" Epic Description

Qts 0.39 Total Q

Qes 0.415 Electrical Q

Qms 7.8 Mechanical Q

Fs 24 Hertz, Free Air Resonance

Res 3.66 Ohms, DC resistance

Ls 3.2 H, series inductance

Lp 2.9 H, lossy series inductance

Rp 4.2 Ohms, loss across Lp

Dia 250 m meters, effective

Vas 91 liters, air volume equivalent

mms 163 grams, effective mass

cms 269 um/N, compliance

bl 14.8 T*m, motor strength

SplSens 86.6 dBSPL max @1W absorbed

Parameter 12" 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