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Post by ruger9 on Dec 15, 2006 16:33:57 GMT -7
I posted this here in "Experts", because we need some on this one I think...
Over on TDPRI, we have a debate going as to whether a "standard" A/B switch can be used to switch between 2 cabs. There are 3 general opinions:
1) No. Get a Radial Switchbone or you'll hurt the amp.
2) Why not? As long as the switch can handle the current, and as long as both cabs are the correct impedence, it shouldn't hurt the amp- the "blink of an eye" it takes to switch between cabs shouldn't hurt at all.
3) Yep. I've done it.
So, AMP EXPERTS- which is it? Is there REALLY anything in the Switchbone that makes any REAL difference, or are we being fooled?
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Post by benttop (Steve) on Dec 16, 2006 2:46:21 GMT -7
The Cabbone switches in 11 milliseconds, and has a relay that will handle 100 watts (or 300 if you have the EX model). Silver plated relays. I'm not sure that a standard A/B box could claim any of that. That said, I think you could switch cabs with a switch if it was the make-before-break variety. Going to 1/2 ohms for an instant HAS to be better than going open circuit for ANY length of time. It wouldn't really take very long to arc a transformer if you go open circuit at 100 watts. I'm not talking long in terms of calendar years here either - I'm betting it's in the "less than a second" range, but I've never tried it, and don't have any data. Probably depends on the amp too. My Flexi, and both my Z amps have pretty good size output trannies. They look pretty tough to me. But I'd rather not find out the unpleasant way...
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