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2-Channel Stereo Interface for Guitar Effects (Stand-Alone)

  • Frequency range: 20 - 20000 Hz
  • Inputs and outputs: Jack/XLR combo
  • Steel chassis
  • Incl. 15 V DC power supply
  • Available since May 2021
  • Item number 515945
  • Sales Unit 1 piece(s)
  • Multi-Channel Unit Yes
  • Channels 2
  • Active / Passive Passive
  • 19" No
  • Pad switchable No
  • Gnd/Lift switchable No
  • Powered by battery No
  • Speaker Simulation No
509 €
All prices incl. VAT
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In stock

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15 Customer ratings

4.7 / 5

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9 Reviews

F
Great little helper
Frednugent 11.02.2023
The Radial EXTC-Stereo is a nice little unit. You plug it into your DAW and then run guitar pedals as FX through it. It does all the work of making your pedals sound clear and the best they can. Ever try pedals directly into your DAW? It sounds bad and the level is super crazy high.
This takes the problems away and is easy to use once you have it all patched in.
You can use it on stereo pedals and mono pedals.
Also it's a great reamper.
I guess my only little gripe is that you need to have a place to have it all wired up with the pedals etc. I put it in a pull-out rack tray and velco it down. This way it's clean, I pull out the tray and I can switch pedals with ease. Takes up a few rack places but it easy to use and I just got some great reverb for a voice from my UFX Golden. Sounds amazing. Sssshhhh...don't tell anyone ;)
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FD
The radial swiss knife
Frade Deb 10.09.2024
For those wishing to experiment with analogue effect processing on digital recordings rather than being dependent on expensive analogue emulation plugins, this is the way to go.

This machine easily lets you dial in the right amount of in and out signal you feed to your effect pedal or feed back to your soundcard so you get the best possible response from your hardware.

Of course the greatness of this technology lies in the fact that you don't end up with unusable clipping, hissing or buzzing when trying to connect gear thats not levelled for recordings.

Definitely worth the dimes if you have plenty of (quality) pedals already at your disposal.

I've even used it quite convincingly to reprocess an already reamped electric guitar signal and the results are interesting. I admit I still need to fiddle with eq because the pedals I use, affect the eq quite consequently.

I think I'm gonna stick with the creation of a wet track to blend in with the original dry track.
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Geheimwaffe für meinen Workflow!
MK26 07.04.2022
Neben dem klassischen Reamping nutze ich die Box auch für die Einbindung meiner Gitarrenpedal in meiner DAW als externe "Plugins". Das Einpegeln hat etwas Feingefühl erfordert aber seit dem hat die Box meinen Tisch nicht mehr verlassen! Ein großer Vorteil ist, dass die Box Stereo kann. Somit kann ich das volle Potential meiner Stereoeffekte in meiner DAW nutzen ohne zusätzliche Last für meinem PC. Auch ist die die Verarbeitung top. Auf der Unterseite ist eine rutschfest Gummifläche aufgeklebt und sorgt dafür, dass die Box nicht verrutscht. Alles in allem ist die Radial Engineering EXTC-Stereo eine absolute Kaufempfehlung!
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S
Essential for properly recording pedals
SJG 16.07.2025
A few uses I have found for this that may not be immediately obvious:
- record your instrument or microphone and your pedals separately from each other.
- use your pedal (or any unbalanced effect unit) as an insert effect in your DAW, and balance the wet/dry signal of both.
- use it for just a stereo DI (return jacks) or just a stereo reamp box (send jacks)
- use the send jacks for anything else besides pedals that receives an unbalanced signal, like a hi-fi amplifier etc.

This unit gives ultimate control over all hardware (unbalanced) effects units and incredible flexibility in such a compact unit.

It’s a great piece of gear for a professional audio engineer, but giving 3 stars because it’s very expensive for what it does. Radial’s prices seem to be going up constantly and quickly, especially for this product in particular. I saw this for £350 only a year or two ago, no idea why it’s almost £450 now in such a short space of time (it even went up while waiting for this review to be published… 25% markup for the same product as it has always been, why?) The rack mounting ears alone are up to £76… are you serious?

Cannot recommend a purchase unless the price goes down to a sensible level. Purchase some cheaper DI boxes and reamp boxes instead for the same functionality.
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