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Review of Madison MAB-210 2x10 bass cabinet

Madison MAB-210 2x10 bass cabinet
Dimensions are 21 1/4 H (with casters) x 25 1/8 W x 16 D
Enclosure volume is 3.1 cu ft
Weight is 57.6 lbs
Power handling is 400 watts RMS.
It has two cast aluminum 16 ohm Madison Knight 10’s with 3 inch voice coils and a 4 1/2" tweeter crossing-over at 2,000 Hz.
The Madison Knight is a great bass speaker with a very strong bottom end.

Sensitivity is about 92 dB - which is a normal rating for an 8 ohm 2x10 cabinet.
If Madison had chosen to make it a 4 ohm cabinet, it would be about 94 dB.
(Added later to posting: This is a “real” sensitivity at bass frequencies between about 100 and 500 Hz, an 8 ohms score for other 2x10s in my testing would be 92 dB for Madison Warriors and 95 dB for BassLites.)

Can it be used as a stand-alone bass cabinet?
For small to medium size jobs, yes.
If you are accustomed to using 2x12 cabinets, maybe no.
If you have a 50 watt bass amp, maybe no.
With a 400 watt amp, the MAB-210 should be able to play at about 118 dB. This is loud enough for many situations.
With an enclosure volume of 3.1 cubic feet, the MAB-210 has better deep bass than many smaller (say 2 to 2.5 cu ft) 2x10's, so you might be happy with it as a stand-alone cabinet.

For example, at 50 Hz, the MAB-210 is about 5 dB stronger than my 2.3 and 2.0 cubic feet 2x10’s – more importantly, it has a deeper bass tone than the smaller 2x10’s, even at higher frequencies.
The MAB-210 is a little short in height for a stand-alone. If you put it up on something to make it about 6 inches higher, it helps a lot.

Claimed frequency response is 40 Hz to 15,000 Hz.
Using no special test equipment – only a test CD – that spec seems accurate.
Compared to the Legion SSB212L (two Madison Knight 12’s), the bass output at 40 Hz was very good.
It actually had some bass output at 30 Hz – about 3 dB less than the Legion SSB212L, and a little at 25 Hz - about 8 dB less than the Legion SSB212L.

Number of cabinet braces: one - front to back, at top center of cabinet. (Mine is a few years old – they could be using more braces now.)
If your MAB-210 cabinet develops a rattle after a few years, it is probably the slot shelf/panel that needs to be re-glued.
Madison should have included bracing on the slot panel, either a small inside brace or, better still, a single front-to-back brace inside the slot.
 
Uh, more likely 97-99 dB is typical for the woofers of a decent/good 210 that isn't doing what Acme does for lows extension. And even they have a sensitivity of 90 dB 1w/1m.
By the driver specs these probably have about 92dB sensitivity, so a pair would get 95dB/watt. They also can be expected to have reasonably good response to 40 Hz. But they have an abysmally high Le (voice coil inductance), so the midrange will be weak, and high frequencies non-existent. Subjectively that means they'll seem to have very good bass response, just as the reviewer notes. Objectively the seemingly strong bass response is actually the lack of midrange and high end.
 
I have a 4 ohm 2x10 that is about 97dB, so if it were 8 ohms it would be maybe 95 or 96 dB. Is there really an 8 ohm 2x10 that is 99 dB?
(I am referring to “real” sensitivity at bass frequencies - not a manufacturer’s claim.)

The 92 dB for the MAB-210 is for the pair of 10’s (not each).
 
I have a 4 ohm 2x10 that is about 97dB, so if it were 8 ohms it would be maybe 95 or 96 dB. Is there really an 8 ohm 2x10 that is 99 dB?
(I am referring to “real” sensitivity at bass frequencies - not a manufacturer’s claim.)

Yes and no. Although the sensitivity of certain 8 ohm 2x10" cabs is 99dB, they all exhibit a relatively high low frequency roll off, so the sensitivity below 100Hz is significantly lower.

For instance, a DeltaliteII 2x10" in 80 litre enclosure tuned to 50Hz exhibits 97dB sensitivity and -3dB @ 55Hz, -6dB @ 45Hz. A Delta 2x10" in the same enclosure exhibits 99dB sensitivity and -3dB @ 120Hz, -6dB @ 47Hz (extended bass shelf tuning).

Alex