MTX TXS 840 8" subwoofer

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Hi,

I got a pair of old, not even sure how old never used mtx subwoofer's
but don't have full specs. I've search all over the place for these
but there is no mentioning of these anywhere on the net.... As far as
specs that I have (on the box) all i got is impedance, power,
sensitivity. freq response. magnet weight and mounting depth. I have
no idea about Q rating nor the suggested cabinet volume.

Could be that those were not part of the specs back in the day?

please help.

thanks.
anton

[mastarecoil]

Perhaps its similar to the MTX Thunderpro TP840?

Qts: 0.33
Vas: 27.2 l
Fs: 35 Hz
Xmax: 0.007m
Z: 4 ohm
SPL: 87 dB
Pe: 400.0 W
Dia: 7.99 inch

Thats rather incomplete too, but perhaps its the same or similar? That
was taken from WinISD by the way.


--
mastarecoil