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Want to put something between my amp and speaker, that'll feed a line signal into Helix to be used with IR/Cabs.
I know there is a behringer, and an old H&K redbox that you can switch off the cab emulation. but what else is out there that's worth a look? As always I'm looking to do it for a reasonable price (£100 ish?).
Attenuation/ reactive load isn't a must, as I'll be running an output to a cab.
Thoughts?
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Any passive DI box with a pad switch will work, although if you're going to connect it *between* the amp and the speaker then it's worth checking inside that the linkage between the input and the parallel output jacks is heavy-gauge enough for speaker current. But it's always safer to connect to a separate speaker jack if the amp has one, assuming it doesn't automatically switch impedance or something else complicated.
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
most tend to have built in speaker emulation from what I have seen. have dropped orchid a message though, good shout
this one apparently does - https://reverb.com/item/2380763-hughes-kettner-red-box-pro
Not sure I understand what you mean using a separate jack?
dependant on if I've got space for two cabs on stage, I'd be using it as either
Amp- 16ohm output > DI> 16ohm cab
Amp - 8ohm output > DI > 16ohm cab
- 8ohm output > 16ohm cab
You should always connect the amp directly to the cab if possible. Then connect the DI box to any other speaker jack, the impedance doesn't matter. The reason for doing this is safety - by going *through* the DI box, you're doubling the number of cables and contact points between the amp and the speaker, and adding some solder joints… any of which could fail and cause the amp to be without a load.
So in your first case, connect the 16-ohm output on the amp to the cab, and connect one of the 8-ohm outputs to the DI box.
The second case is OK because one speaker is still connected directly to the amp, which will keep a load on even if it's the wrong impedance - always better than no load. But you could make it better still by simply connecting both cabs to the 8-ohm outputs and the DI box to the 16.
Also - you don't need to use a speaker cable to connect the amp to the DI box, even from a speaker jack, *provided* it's not then going on to a speaker cab or other load. Instrument cable is fine as long as the speaker current isn't present.
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
See what/talk to, Orchid Electronics.
Dave.