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Good microphone for recording bass cab?

Does the SM58 get any better low end response or no?

No, since these are not condenser mics they suffer from something known as "Proximity Effect" this happens to nearly all unidirectional mics below 100 Hz they inherently progressively boost frequencies by 6 to 10 Db the lower you go. So, in order to prevent explosive low frequency sound during close up use Shure designed the 57 and 58 mics to gradually roll off bass response in the low frequency range. Knowing this supposedly allows you as the user to better take advantage of the proximity effect by applying this knowledge to your recording process. Cheers.
 
I made a home test with my Trace Elliot 2103x Cab, my Traynor YBA 200 and 4 mics I own. I tried setting the amp to the flattest possible setting. I have the recordings but I don't know where I can host audio. Here are the images of a spectrum analyzer I ran to each of the recordings I made.

Shure SM57:
Good mic, but it lacks a lot of bottom end, I would use together with a DI track and set a crossover point around 80hz

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Shure Beta 52

Sounds very good but I don't like the dip it has in the mids.

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Rode M3

Definitively not meant to be used as a Bass Amp mic. The sound is too weak and lacks a lot of definition in the lower register.
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Rode NT1A

I liked how this sounded a lot. Very warm and rounded.

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Those all sound good to me. Second one especially.

I go for a much dirtier bass sound, though. Were the ones you did with the 58 coupled with a DI track as well, or what? They sound like they have more than enough low end for me (I actually don't have as much low end in my sound as there is in those tracks).
 
Thanks man, I like the lows from the tech 21 RBI DI because they are deep without being to boomy, but yeah I recorded the first two with Jamie King the guy who records all the BTBAM stuff and at first I was like no way to the 58, because spec wise it doesn't seem to make sense with its frequency range. Then he showed me a magazine with an interview with Flea from the Chili Peppers saying he used it. I was sold, I do like the strong mids of the 58 if your planning on a dirty tone with one channel it should work good.
 
Thanks man, I like the lows from the tech 21 RBI DI because they are deep without being to boomy, but yeah I recorded the first two with Jamie King the guy who records all the BTBAM stuff and at first I was like no way to the 58, because spec wise it doesn't seem to make sense with its frequency range. Then he showed me a magazine with an interview with Flea from the Chili Peppers saying he used it. I was sold, I do like the strong mids of the 58 if your planning on a dirty tone with one channel it should work good.

Awesome. Yeah, I'm not that big into getting super low lows. Those frequencies are for the bass drum.
 
Also, there are also some pretty great DIs that do a better job on bass than your standard whirlwind.

The Brick by Groove Tubes
Radial JDI
REDDI by A Designs

All are high performers for bass.

My secret weapon for DI bass is plugging into the face of my JoeMeek VC6 which has excellent low frequency reproduction (it specs down to 20hz) and a very nice opto compressor.