Leaf Audio FPF (1U, 12HP Fixed Pass Filter HP/BP/LP) DIY Kit.
The FPF (Fixed Passive Filter) is a straightforward yet effective utility filter designed for sculpting your synth signals with ease. Offering fixed-frequency highpass, bandpass, and lowpass outputs, its great for cutting out rumble, taming harsh highs, or shaping your tone without the need for power. Perfect for beginners, this passive module comes as a complete DIY kit using only through-hole components.
Features:
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Fixed Passive Filter: Highpass, bandpass, and lowpass outputs with preset cutoff points.
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No Power Needed: Completely passiveideal for minimal setups or expanding without using your power rail.
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Cleans Up Signals: Simple RC circuit helps eliminate unwanted frequencies from your patch.
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Beginner-Friendly DIY Kit: Uses only THT (through-hole) components for easy soldering.
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1U / 12HP Format: Fits Intellijel 1U rows, great for compact cases or utility rows.





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