Oscope and Tantrum?

[amedeuce 10+ year member]

Ok setting my gains with my Oscope.

I've never had any issue with it or with setting gains with it.

My JBL px300.4 had no problems, set gains with the oscope everything was good.

Could not check gains with oscope on the PG tantrum 1200.

I got readings with my DMM though, I tried everything...Double checked the JBL - Good. Tried again on PG - no go. But like I said, checks good with DMM.

What could it be?

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[amedeuce 10+ year member]

It's like I'm not getting any signal, but I can set the gains with the DMM.

But I don't like setting with a DMM, Especially since I have an Oscope.

And I don't want to use the DMM because with the scope I can get the true potential out of the amp.