Target Audio TSU, Owner'S Manual

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Data TSU 10 TSU 12 TSU 15
external diameter - mm 260 320 390
nominal impedance Zn ohm 4 4 4
max power Pm watt 400 550 650
nominal power Pn watt 200 275 325
sensitivity (2,83 V/1m) - dB 92 92 93
frequency range BW hertz 35-2K 30-2K 25-2K
resonance frequency Fs hertz 32 34 29
mechanical Q factor Qms - 7,57 6,38 5,64
electrical Q factor Qes - 0,36 0,47 0,58
total Q factor Qts - 0,34 0,44 0,52
moving mass Mms g 69,7 152,9 184,9
compliance Cms mm/N 0,35 0,14 0,16
emission diameter D mm 210 260 330
equivalent volume Vas litres 66 56 163
force factor BxL N/A 11,6 14,5 13,4
voice coil resistance Re ohm 3,4 3,0 3,0
voice coil inductance Le mH 1,1 1,5 1,5
linear excursion Xmax mm 4 6 6
voice coil diameter - mm 50 65 65
cut out diameter - mm 230 280 354
Free air use
yes yes yes
Closed box
volume litres 17 32 50
volume litres 32 50 120
Bass reflex tube diameter mm 94 94 154
tube length mm 300 270 320