Radial EXTC-SA Guitar Effects Interface


Radial EXTC-SA Guitar Effects Interface

SKU: R800 1420 Categories: ,

EXTC-SA Guitar Effects Interface

Part no. R800 1420

  • Balanced interface for guitar effects pedals
  • Separate send & receive controls optimize signal path
  • Transformer isolation helps eliminate ground loops
  • Creative tool helps your mix stand out from the rest

The Radial EXTC-SA™ is a stand-alone audio interface that lets you incorporate guitar effects into the realm of pro-audio recording. Just imagine… add a touch of grit to a vocal track, some wah on a kick drum, maybe flange a violin…The EXTC is a creative tool made for your esoteric-inventive side, ready to unleash fresh new sounds that will make your recordings stand out from the crowd.

And it’s super easy to use: connect a line level signal from the recording system. The EXTC-SA unbalances the signal and converts it to high impedance where guitar pedals can be inserted at will. Simply plug in, turn the track on, set your levels and adjust the blend for just the right amount of magic. Be prepared for instant amazement. Legalized ecstasy.

Features include Radial’s award winning 100% discrete class-A guitar buffering for ultimate audio integrity, transformer isolation to eliminate buzz and hum caused by ground loops, 180º polarity reverse to keep effects and balanced signals in phase, and two loops that can let you compare signal paths or combine them to create your magical masterpiece.

The Radial EXTC-SA is without a doubt one of the most innovative effect manipulating devices ever made. And it opens the door to new sounds by taking Reamping™ technology to an all new level.

The EXTC… be prepared for wild & wonderful!

Specifications are subject to change without notice.
*Refers to use with Radial Workhorse or other 500 series racks.
Circuit type: Solid state with transformer coupled effects loop
Power requirement: 60mA, ±16VDC
Output Gain: 12dB – send & receive at maximum 
6dB – send minimum/receive maximum 
0dB – send & receive set at 12 o’clock
  Dry Wet
Frequency Response: 20Hz ~ 20kHz ±1.5dB 20Hz ~ 10kHz ±3.5dB 
(-8dB @ 20kHz)
THD+N: >0.005% 0dB output >0.002% 0dB output
Noise: -93dB -84dB
Intermodulation Distortion: >0.003% 0dBu input <0.02% 0dBu input
Maximum input: +26dBu +20dBu
Effects Loop i/o Send 1/4″ output Receive 1/4″ input
Connector: Unbalanced ¼” Unbalanced ¼”
Impedance: 1.5k Ohms 10K Ohms
Gain (Variable) From -14dB ~ +3dB 
0dB at center point
From -99dB ~ +9dB
0dB at center point
Maximum Gain: ±3dB +9dB
Line level i/o Input Output
Connector*: Balanced XLR Female
Rear Panel
Balanced XLR Male
Rear Panel
Impedance: 15k Ohms 200 Ohms
Headroom:   +25dBu
Conditions: For indoor use at temperatures between +5° c and +40° c
Warranty: Radial 3-year, transferable
Weight 15 lbs





Share your thoughts!

Let us know what you think...

What others are saying

There are no contributions yet.




A link to set a new password will be sent to your email address.

Continue as a Guest

Don't have an account? Sign Up