Radial EXTC SA Effects Loop Interface - Your Guitar Effects Connection Solution
Unleash Your Creativity with Guitar Effects
Take your guitar effects to the next level with the EXTC-SA. Connect your pedals to pro audio equipment like recording interfaces or mixing consoles in new and exciting ways.
Reamp and Mix with Ease
Get creative with your effects pedals! Add distortion to vocals, flange to violins, or fuzz to pianos. The EXTC converts line level to instrument level for easy Reamping. It boosts the signal back to line level for direct connection to your recording interface. Enjoy high-quality audio with Radial's class-A buffer and transformer isolation.
Key Features for Exceptional Performance
• Balanced interface for seamless pedal connections
• Separate send & receive controls for optimized signal path
• Transformer isolation to eliminate ground loops
Technical Specifications
Audio circuit type: Solid state with transformer coupled effects loop
Frequency response: Dry: 20Hz ~ 20kHz ±1.5dB Wet: 20Hz ~ 10kHz ±3.5dB (-8dB @ 20kHz)
Total harmonic distortion: Dry: > 0.005% 0dB output Wet: > 0.002% 0dB output
Intermodulation Distortion: Dry: > 0.003% 0dBu input Wet: < 0.02% 0dBu input
Input Impedance: Line level: 15k Ohms
Output Impedance: Line level: 200 Ohms
Noise: Dry: -93dB Wet: -84dB
Maximum Input: Dry: +26dBu Wet: +20dBu
Features
180° polarity reverse, Effects Loop
Input Connectors: Unbalanced 1/4', Balanced XLR
Output Connectors: Unbalanced 1/4', Balanced XLR
General
Conditions: For use in dry locations only between 5°C and 40°C
Warranty: Radial 3-year, transferable





The Radial EXTC SA Effects Loop Interface is a must-have for guitarists and audio engineers looking to enhance their sound. Use it in recording studios or live performances to connect your guitar pedals to pro audio equipment. This interface allows you to get creative with your effects, adding unique sounds to your tracks. With balanced connections, separate send & receive controls, and transformer isolation, it ensures a clean and optimized signal path. The audio circuit type is solid state with a transformer coupled effects loop. Frequency response and other technical details are provided above. Input connectors include unbalanced 1/4' and balanced XLR, and output connectors are the same. It's suitable for use in dry locations between 5°C and 40°C and comes with a 3-year transferable warranty.