Oisin
1080 posts
Mar 03, 2014
11:08 PM
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Can the speaker input socket on an amp be used as a line out to the PA? I know this would prevent you using the amp as a monitor but would it do any damage to the amp or would the signal be too weak?
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Oisin
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timeistight
1505 posts
Mar 04, 2014
12:26 AM
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No, I don't think that would be safe for the amp or the PA.
You can buy devices designed to provide a correct load impedance to replace a speaker, but they aren't cheap.
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rockmonkeyguitars
16 posts
Mar 04, 2014
1:38 AM
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Here is a list of outputs that some amps have which can be hooked up to a pa:
preamp out
line out
rec out
FX out
headphone out
If it is labeled with anything else then chances are it will blow up the preamp on the PA or you simply won't get sound.
If you use these outputs you still need to keep your speakers plugged in otherwise you run the risk of burning up your amplifier
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Rick Davis
3022 posts
Mar 04, 2014
11:38 AM
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No, a speaker connection is NOT a line out.
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-Little Rick Davis
The Memphis Mini harp amp
The Blues Harp Amps Blog
The Mile High Blues Society
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HawkeyeKane
2342 posts
Mar 04, 2014
12:56 PM
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A load level DI box would take care of you. Just run a speaker cable from the speaker connection of your amp to the input on the DI, then plug the amp speaker into the output jack. You can then use the XLR output on the DI to run to the PA.
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Hawkeye Kane
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SuperBee
1727 posts
Mar 04, 2014
1:11 PM
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Arrived at venue on Saturday to find a setup I'd not used before. DI before the amp.
plugged my mic into the DI, and ran a signal from DI into my amp, and also from DI to PA.
I had my pedals between mic and DI.
Of course, this meant my amp was just my stage sound, my foh was mainly PA. (The amp was loud though, it also would have carried foh.)
I arrived and saw what they'd done...I was like 'WT...?
It worked ok though. And avoided the need for a mic on the amp, on a tight stage shared with another band.
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