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What amp can do 2 ohms?

Because i have a 210 and a 410 cab that are both 4 ohms. I was thinking of pairing them up for an out door gig.

Why not use a two channel amp and connect one cabinet to each channel? The amp will be happy, your speakers will be happy and you get the output from two cabinets with twice as much power as a one channel amp.

BTW- bridging an amp requires that the load impedance not be less than 4 Ohms, in most cases. Read the warnings in the amplifier spec sheets before connecting two cabinets in parallel.
 
If that 210 was 8 Ohms I would say go for it. An impedance mismatch like (the 210 will get the same amount of power as the 410, straining the speakers on the smaller cab more) that isnt recommended.
+1, as I ran an 8 ohm 410 with an 8 ohm 210 for a really long time and had similar problems...

Although, I do have to admit that those problems weren't apparent until I was running them at near-deafening volumes.
 
Chef I'm unaware of any GK head that will do 2 ohms.

GK 2001rb
I love it!
 

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+1, as I ran an 8 ohm 410 with an 8 ohm 210 for a really long time and had similar problems...

Although, I do have to admit that those problems weren't apparent until I was running them at near-deafening volumes.

Plenty of info elsewhere on TB re why mixing diff cabs with only one amp doesn't work that well. It just doesn't. Period. Anyone who thinks otherwise is deluding themselves IMO.
 
^^^Disagree.
Did it for years, with no ill results; and in fact, still do sometimes.

"It never works under any circumstances" is as mis-informative as saying "it works well under all circumstances."