TC Sounds Axis 12 User Manual

Axis 12”

(Specifications Manual)

AXIS 12”

Low Frequency Driver

Thiele Small & Driver Parameters

Parameter 12" Axis Description

Qts 0.35 Total Q

Qes 0.38 Electrical Q

Qms 6.3 Mechanical Q

Fs 28 Hertz, Free Air Resonance

Res 4.74 Ohms, DC resistance

Ls 8.7 H, series inductance

Lp 14.8 H, lossy series inductance

Rp 18.9 Ohms, loss across Lp

Dia 250 m meters, effective

Vas 40 liters, air volume equivalent

mms 280 grams, effective mass

cms 118 um/N, compliance

bl 24.8 T*m, motor strength

SplSens 85.4 dBSPL max @1W absorbed

Parameter 12" Axis Description

Geometric Stroke 16.5 Millimeters, (voice coil - gap) / 2

70% BL 26.5 Millimeters, BL is 0.7 original value (one way)

Xmech 40.6 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