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Sabine FBX Solo SL-820

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Page last updated Apr 01, 2026

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Description

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Are you ready to redefine your live performances with pinpoint accuracy and unparalleled clarity? Meet the Sabine FBX Solo SL-820, the ultimate noise gate effects pedal designed for musicians who demand superior sound quality without the hassle of feedback. This compact powerhouse is the miniature sibling of the renowned FBX-1020P Feedback Exterminator, yet it packs a punch with its patented algorithm that automatically detects and eliminates feedback while preserving the integrity of your music.

The FBX Solo SL-820 is perfect for acoustic-electric guitarists who crave high stage levels without the worry of feedback. It features ultra-narrow digital filters, which are 10 times narrower than traditional graphic EQ filters, ensuring you retain more than 90% of your sound's power. This means more gain, increased clarity, and the freedom to perform at your best. Whether you're using it with a wireless mic or patching it into your monitors, the SL-820 guarantees a crystal-clear performance, allowing you to focus on your music.

Flexible and versatile, this pedal offers switchable input/output levels and a programmable noise gate, making it an indispensable tool for any musician. With its super-narrow digital filters and performance digital bypass, the FBX Solo SL-820 is not just a pedal, it's your personal sound engineer on stage.

Key Features:

Automatic feedback detection and elimination
Ultra-narrow 1/10 octave digital filters for precise sound control
Programmable noise gate for enhanced versatility
1/4" TRS I/O connectors
Unbalanced >1 meg Ohm input impedance
+20 dBV maximum input/output level at lowest gain
Gain range: 0 to +35 dB (high in), +30 to +65 dB (low in)
Performance digital bypass

Product specs

Filter width	1/10 octave, typical, or 1/5-oct. selectable, constant "Q" (Below approximately 200 Hz the feedback filters become slightly wider to increase the feedback and rumble capture speed at these low frequencies.)
Filter depth	DSP controlled, variable to -40dB
Resolution	1/50 octave
Time required to find and eliminate feedback	0.4 seconds, typical @ 1KHz
Total number of combined filters active	User selectable, from 1 to 8
Number of Dynamic vs. Fixed filters	User selectable
I/O Connectors	1/4" TRS; tip=input, ring=output, sleeve=ground
Input Impedance	Unbalanced >1 meg Ohm
Output Impedance	Unbalanced 10 Ohms nominal; Maximum load 2K Ohms
Maximum Input/Output Level at lowest gain	+20 dBV
Gain Range (with line out selected)	0 to +35 dB (high in), +30 to +65 dB (low in)
Input to Output Gain @ unity setting	+/- 0.5 dBV
Bypass	Digital performance (Tests performed using an Audio Precision System One model 322 or equal.)
Frequency Response	< +0.25 dB, 20Hz to 20 KHzSNR: >94 dB typical
THD	<0.01% @ 1KHz @ +15 dBVDynamic Range: >100dB
Attack Time	Fixed (400 mS)
Threshold	Selectable (-24, -36, -48, -60 dB)

FAQs

What is the primary function of the Sabine FBX Solo SL-820?: The Sabine FBX Solo SL-820 is a noise gate effects pedal designed to eliminate feedback in live sound environments, making it ideal for use with mixer insert points, powered mixer patch points, and various instruments like acoustic/electric guitars.
How quickly does the Sabine FBX Solo SL-820 eliminate feedback?: The Sabine FBX Solo SL-820 typically finds and eliminates feedback within 0.4 seconds at 1KHz, ensuring minimal disruption during performances.
Can the Sabine FBX Solo SL-820 be used with high-impedance microphones?: Yes, the Sabine FBX Solo SL-820 is compatible with high-impedance microphones, making it versatile for various live sound applications.
What are the filter width options on the Sabine FBX Solo SL-820?: The Sabine FBX Solo SL-820 offers switchable filter widths of 1/10 or 1/5 octave, allowing users to tailor the feedback suppression to their specific needs.
How many filters can be active simultaneously on the Sabine FBX Solo SL-820?: Users can select between 1 to 8 combined filters to be active simultaneously on the Sabine FBX Solo SL-820, providing customizable feedback control.
Is the Sabine FBX Solo SL-820 suitable for use with guitar amplifiers?: Yes, the Sabine FBX Solo SL-820 is suitable for use with guitar amplifiers, helping to manage feedback in live performance settings.