T/S Parameter Comparison:
Rl-i Dual 4
Qts: 0.280
Qes: 0.316
Qms: 2.515
Fs: 28.9 Hz
Re: 7.4
Ls: 2.961 mH
Lp: 4.383 mH
Rp: 4.777
Dia:
(% shift) 160 m
47.9 %
Vas: 21.98 L
Mms: 77.97 g
Cms: 387.1 u
Bl: 18.24 T*m
n0: 162.7 m
SPL: 84.11 dB
Sd: 0.020 m^2
RMS: 300 watts
Xmax: 18.3 mm
TC-1000 D4
Qts 0.332
Qes 0.382
Qms 2.55
Fs 25hz
Res 8.10Ω
Ls 3.02mH
Lp 3.10mH
Rp 4.38Ω
Dia 160mm
Vas 17.9l
mms 98g
cms 316m/N
bl 21T*m
Spl 81.2dB
You tell me. Different Qts, Fs, Re, SPL, mms, Vas...
They are bassed off of the TC 2+ platform, hwoever hte softparts are completely different. The TC-1000 opted for more linear displacement and sacraficed a little efficency. Different spiders and different compliances.
Not MAJOR differences but they are different.