Radial EXTC
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The Essentials to Know About the Radial EXTC 500 Series Module
The Essentials to Know About the Radial EXTC 500 Series Module
- Integrate your guitar pedals in the studio: line-level to high-impedance conversion for easy insertion of "instrument" effects into a mix or recording.
- Immediate creativity: wah on kick drum, grit on a vocal, flange on strings... the EXTC opens up unusual processing without any DIY hassle.
- Pro audio quality: 100% discrete Class A buffering circuits to preserve signal integrity.
- Reliable in studio environments: transformer isolation against hum (ground loops) and polarity inversion to maintain a coherent signal.
Manufacturer Information
Radial
https://www.radialeng.com
info@radialeng.com
------------------------
Safety manager:
Algam SAS
Email: contact@algam.net
Address:
A Missing Link Between the "Pedal" World and the 500 Series
The Radial EXTC fits within the logic of reamping and level interface solutions that have made Radial renowned: making devices designed for different worlds compatible, with complete sonic safety. In the 500 series format, it sits at the heart of your rack and becomes a permanent "bridge" between your recording chain (line level, balanced) and your pedalboard (instrument level, high impedance). Where a traditional approach often requires external boxes, adapters, and level compromises, the EXTC centralizes the signal flow and stabilizes the result for daily production use.
Who Is the EXTC For and In What Scenarios Should It Be Used?
The EXTC targets sound engineers, producers, demanding home-studiers, and musicians who want to take guitar effects beyond the strictly "guitar" context. It is perfect for adding character to a vocal (saturation, filtering, modulation), transforming drums (wah, fuzz, octave, tremolo), texturizing synths, or giving organic movement to acoustic instruments. In mixing, it becomes a formidable tool for creating original effects buses, performing parallel processing, and building a distinctive sonic signature.
Technical specifications
| Category | format 500 | Frequency response - end | 20 kHz |
| Number of channels | 1 | Inputs | jack |
| Digital conversion | No | Analog outputs | jack, 2 x jack |
| Max input level (dBu) | 26 | Display | LED |
| Settings | phase inverter, send and receive | Ports | API 500 |
| THD | 0,005% @ 1 kHz | Weight | 700 g |
| Frequency response - start | 20 Hz | ||
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Questions frequently asked
Does the Radial EXTC work with a 500 series rack?
This 500 series module connects via a 500 API port and processes a single channel. It does not include any digital conversion.
How to connect guitar pedals to a mixing chain?
The line signal is unbalanced and then converted to high impedance to feed pedals designed for instrument level. The send and return connections on the front panel jack facilitate insertion into the audio path.
Can the direct signal and the pedalsâ sound be mixed?
A Blend control allows mixing the processed signal with the direct signal. This feature is especially suitable for parallel processing of vocals, snare drum, or a synth.
How to reduce hum with a pedalboard linked to the rack?
Transformer isolation is provided to reduce hum caused by ground loops between rack, pedals, and power supplies. 100% discrete class A buffering circuits maintain the signal integrity through the effects chain. A polarity switch allows phase adjustment between direct and processed signals.
Does the module accept studio effects in addition to pedals?
An insert point enables adding a studio effect to the signal path, for example hardware compression after a modulation pedal. The specified frequency response ranges from 20 Hz to 20 kHz, with a THD of 0.005% at 1 kHz.
