M2 use DSP with +4,7dB at 21,5Hz
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M2 use DSP with +4,7dB at 21,5Hz
after simulation :
1501fe play in little volume, 46Hz -6dB in 48 Litres
2216Nd-1 => 28Hz -6dB in 243L or 33Hz -6dB in 156L
For me the 2216Nd-1 is better on the paper, more bass extension,...
I think the 2216Nd-1 is more suitable for domestic use, the compliance of the suspension (Cms) is 2 times less hard.
Cms 2216Nd-1 : 0.285 mm/N
Cms 2216Nd : 0.144 mm/N
Cms 2235H : 0.405 mm/N...
Who knows which converters in old BSS BLU-80 ?