When an amp fails...

hotpickups · August 2017

I'm sure this has been covered before but...

If an amp blows at a gig and one has an amp in a box to get you out of trouble, in my case a Joyo American. How does one rig it up to work with your on board speaker in a combo amp such as mine? Do you simply plug the speaker into the output of the box? I've always thought I'd have to go into a PA or something? But the way the TPS show today has prompted my question

First useful episode in ages IMO

StageStruck · August 2017

The amp in a box would be acting as a pre-amp to go through the PA. Getting your sound to the guitar cab would be a different matter altogether. I suppose you could hook up a monitor output from the PA to your guitar cab as a means to an end. It probably wouldn't be a good idea though as it might overdrive your speaker and/or the PA
What you can get is one of those EHX mini-amp in a box pedals (magnum 44 I think they were called) which would be more easily configured to going through your existing speaker in the event of amp failure

ecc83 · August 2017

The Joyo could feed the PA desk but might give noise problems. Best bet is to feed it into a basic DI box and send the desk a balanced, earth free mic level signal. If you want to be a PROPER Boy Scout have a decently long XLR-XLR mic cable in the van.

Or! Be REALLY backed up and get one of 'our' lightweight transistor combos!

Dave.

hotpickups · August 2017

StageStruck said:

The amp in a box would be acting as a pre-amp to go through the PA. Getting your sound to the guitar cab would be a different matter altogether. I suppose you could hook up a monitor output from the PA to your guitar cab as a means to an end. It probably wouldn't be a good idea though as it might overdrive your speaker and/or the PA
What you can get is one of those EHX mini-amp in a box pedals (magnum 44 I think they were called) which would be more easily configured to going through your existing speaker in the event of amp failure

How does that got into the speaker then @StageStruck if using a Magnum 44?

Maynehead · August 2017

I've got one of these pedal sized 5w amps in my bag. The plan B is to just plug my pedalboard into this little thing (it's even got an fx loop), plug it into my regular cab and simply mic the cab up into the PA.

Plus I use it for quiet rehearsals so I don't have to lug an amp around. Oh and it sounds great, which is a bonus.

https://www.peerlessmusic.com.au/wp-content/uploads/imported/HOTONE-MOJO-DIAMOND-5w-NANO-GUITAR-AMP-HEAD-Fender-Tweed-inspired-tone-251868343360-2.jpg

hotpickups · August 2017

Maynehead said:

I've got one of these pedal sized 5w amps in my bag. The plan B is to just plug my pedalboard into this little thing (it's even got an fx loop), plug it into my regular cab and simply mic the cab up into the PA.

Plus I use it for quiet rehearsals so I don't have to lug an amp around. Oh and it sounds great, which is a bonus.

https://www.peerlessmusic.com.au/wp-content/uploads/imported/HOTONE-MOJO-DIAMOND-5w-NANO-GUITAR-AMP-HEAD-Fender-Tweed-inspired-tone-251868343360-2.jpg

Look cool that. Trouble is I don't have a cab so how would I plug into the speaker in my combo ?

ICBM · August 2017

hotpickups said:

Look cool that. Trouble is I don't have a cab so how would I plug into the speaker in my combo ?

Does the speaker connect to the amp via a 1/4" plug and socket? If so, unplug that and plug it into the mini-amp. You will most likely have to put the mini-amp behind the combo (or possibly inside the back of the cabinet) rather than on top of it for the cable to reach.

If it doesn't have a plug and socket it's more tricky...

Maynehead · August 2017

hotpickups said:
Look cool that. Trouble is I don't have a cab so how would I plug into the speaker in my combo ?

Some combos have a speaker that plugs into the output socket of the amp. If that's the case just unplug the speaker from the back of the combo and plug into the back of the Hotone.

I forgot to mention it's also got a headphone out which can go directly into the PA

hotpickups · August 2017

Thanks @ICBM and @Maynehead yes my amps connect that way. Thanks again

Rocker · August 2017

The answer is a Pignose. Remind me, what was the question?

ICBM · August 2017

Rocker said:

The answer is a Pignose. Remind me, what was the question?

"What's the worst but somehow oddly cool portable battery amp ever made?"

hotpickups · August 2017

Would my joyo American be ok to use this way guys? I am presuming yes as it's a preamp?

ICBM · August 2017

hotpickups said:

Would my joyo American be ok to use this way guys? I am presuming yes as it's a preamp?

Yes - Joyo > Magnum (or similar) > combo speaker.

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