I was looking at an MB212II myself. Somethin like 500w and 40lbs? Sounds good to me but I wanted modular.
Also go the overdrive circuit and more tone shaping.
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Now that's one gorgeous Rumblicious Mini-Stack!

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I was looking at an MB212II myself. Somethin like 500w and 40lbs? Sounds good to me but I wanted modular.
Also go the overdrive circuit and more tone shaping.
View attachment 416955

No. Only the Rumble 200 & 500 combos have extension speaker output jacks allowing for an 8 ohm speaker cabinet to be added. The Rumble 200 is just $100 more than the Rumble 100. 1x15 vs 1x12 but when you add a Rumble 115 cab to the Rumble 200 combo you are moving twice as much air and have twice the sound dispersion at the same volume level. That's a nice option to have for the future even if you don't need it, or can't afford it now. Or go totally modular with seperate head and cab(s).Could i add a cab to the 100 or would i need more wattage? I'm so confused, i only just moved to bass and its driving me nuts not knowing stuff about amps!1

Thanks Linnin! Love this amp! It's a whole lot more amp than what it looks like. It kept up with my drummer at rehearsal tonight, no problem. I pushed it pretty hard with my new Gibson Thunderbird. It didn't even flinch and it sounded amazing. So hear is where I ended up with the tone controls. View attachment 416917
I used the Bright button also. It gave the Thunderbird a bit more definition. It's just a very balanced sounding amp.
HA-I use the same settings (check my pic above). I use the bright switch depending on the tune at this point. Amazing how loud the little 100 gets and it is so light.
Best part about it, it sits in the mix...very easy to get a "pro" bass tone with minimal tweaking.
I love it myself!It's pretty amazing how the 100 is taking off. In a way I'm not surprised, 12's are some of the best kept secrets from the great 60's sounds.

I almost bought one of those, but chose the Rumble 75 instead (the SWR was more than twice the cost), and yes it is easily twice the weight of the new Rumble 100's 22 pounds. But it sits in my music corner for personal practice and doesn't go anywhere anymore since I got the Rumble 350 and twin Rumble 112 Neos.Not all 12" combos are good though. I owned an SWR Working Pro 12 and it could not keep up with the drums at all. It was easily twice the weight of the Rumble 100 also. The SWR sounded good at home but did not mix well with the band...
This is going to be somewhat of a long post so bear with me. First the Rumble 500 combo is 350 watts into the 8 ohm load of the internal 2x10 drivers. Plugging in an 8 ohm extension speaker cabinet presents a total 4 ohm load to the amp and the full 500 watts is achieved. This is true for any amp 8 ohms + 8 ohms (in parallel) = 4 ohms. In the case of the Rumble 500: 250 watts will go to one set of speakers and 250 watts to the other for a total of 500 watts.Thanks tedsalt.
I always thought a 115 paired with a 210 would give the best mix of the high and low frequencies. Why would I want to add another 210? From my understanding speaker area is greater with multiple 10's. However, the frequency of a 15 is slower than a 10. So, the mix of those frequencies as they move away from the speakers would be a balanced sound. Wouldn't I be missing that balance by missing the 115?
Ah-Ha! Great purchse NewGuy! Guess what? You're member #136I just picked up a Rumble v3 100 combo 2 days ago. I'm very impressed with it. I wasn't expecting much but I'm loving it.
Welcome to the Fender Rumble Club!
WOOT! 

I thought the best 12" combo was the Fender Bassman 150. Other than that carpet they had on the cabs.