iPhone;573627 Wrote: 
> As for your Amp, I haven't used any of them. But depending on how the
> XLR to RCA is done, you could be asking for big time trouble. IMO one
> should never use RCA to XLR adapters, its the easiest way to damage
> equipment. With a build-in thing your describing, I would not use that
> either for fear of grounding something that shouldn't be. Its one thing
> is you have dual inputs and there is a selector switch for XLR or RCA.

The problem is, this power amp doesn't have any RCA inputs. Only
balanced XLR. Is it really risky?

The RCA->XLR connectors are regular connectors, nothing self-made or
diy.

> From what your describing it might be auto sensing (hope its checking
> ground also) and maybe its a function of how high the SB3 Volume is set
> at when you turn the amp on. If you feel there are no grounding issues,
> I would try it with low SB3 volume then higher and see if there is a
> trigger point. Never do high first, start low and work your way up but
> I would not go past 50% volume without inline attenuators. This process
> may require turning the amp off each time depending on how auto-sensing
> works if that what it has.

I think it doesn't depend on the volume. I set SB volume to the lowest
possible, and I also pause it always when turning on power amp. So
there's no signal at all. Still the amp doesn't start. And if I connect
it with a passive preamp in between, it starts fine. What could be wrong
with SB outputs?

The power amp must be definitely making some checks, because it will
not start if nothing is connected to the inputs at all. But what could
cause it, that with SB it thinks there's nothing connected?


BTW. I'm just listening to the setup with this passive amp in between,
so basically SB3 with a power amp and I really like the sound.


-- 
azaz44
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