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Source Audio Introduces the Spectrum Intelligent Filter - Premier Guitar
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The Ultimate Envelope Filter: The Spectrum Intelligent Filter - YouTube
Source Audio Unveils the Spectrum Intelligent Filter Pedal – No Treble
AMAZING FUNK MACHINE // Spectrum Intelligent Filter - YouTube
Source Audio Spectrum Intelligent Filter - Bass Demo - YouTube
Spectrum Intelligent Filter, An 'All-in-One Filter Extravaganza' introduced by Source Audio – MusicPlayers.com
Source Audio Spectrum Intelligent Filter - Envelope Filter - Pedaltown
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Source Audio Spectrum Intelligent Filter - Envelope Filter - Pedaltown
Source Audio Spectrum - Pedal on ModularGrid
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Play Music Workshop - Source Audio Spectrum Demo by Mike Hermans | Facebook
Spectrum Intelligent Filter, An 'All-in-One Filter Extravaganza' introduced by Source Audio – MusicPlayers.com
