Eliminate Muddy Tone: The Hybrid Treble Bleed |
Treble Bleed Comparison |
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The Hybrid circuit combines the best of both worlds, utilizing a sophisticated arrangement of parallel and series components. Engineered by Boffin FX for maximum versatility, this circuit provides the vintage “feel” of a standard parallel bleed with the tonal consistency of a series circuit. It is the premier choice for custom rigs and advanced players who demand precision control over their frequency response, allowing for a perfectly tailored high-end bypass regardless of volume knob position. |
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Never lose your high-end clarity when you roll back your volume.
If you notice your guitar tone turning muddy, dark, or muffled as you lower your volume knob, your tone needs a treble bleed circuit. The Boffin FX “Kinman-Style” Adjustable Treble Bleed keeps your highs perfectly intact at lower volumes, giving you a smooth, even tone across the entire sweep of your volume pot.
Unlike standard parallel circuits, this Kinman-style mod features an in-series design (the capacitor and resistor run inline). It is specifically engineered to fix the unnatural, uneven volume drops that plague certain guitar wiring setups.
Why Choose the Kinman-Style In-Series Circuit?
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Smooth Volume Sweep: Solves the “abrupt drop-off” issues common with parallel treble bleeds on specific guitar setups.
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Dial in Your Tone: Features a built-in 500K trim pot (adjustable trimmer), allowing you to fine-tune the treble response perfectly to your ears.
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Peel-and-Stick Mounting: No loose components rattling around. The bottom features a secure adhesive backing for a clean, seamless installation inside your control cavity.
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Simple 2-Wire Installation: Just solder your hookup wires directly to the clearly marked Input and Output pads on the board.
Not sure which one you need? Check out our Ultimate Guide to Treble Bleed Circuits.
Which Version Do You Need? (Color Guide)
We offer our adjustable circuits tuned to different frequencies to match your specific pickups. Use this guide to pick your perfect match:
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🟢 Green (This Model): Best for low-output pickups (both single-coils and humbuckers). Highly recommended for neck pickups.
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🟣 Purple: The classic Kinman frequency cutoff (1,105.2 Hz). Ideal for low-output and vintage-voiced pickups.
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🔵 Blue: Tailored for vintage humbuckers under 10k ohms. Excellent choice for neck positions.
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⚫ Black: Optimized for high-output bridge pickups. Perfect for single-coil Telecasters.
💡 Still Unsure? Check out our Ultimate Guide to Treble Bleed Circuits to find the exact match for your rig.
Technical Specifications
| Parameter | Specification |
| Circuit Layout | Kinman-Style (In-Series) |
| Component Values | 0.0012uF Capacitor / 120K Resistor |
| Cut Off Frequency | 1,105.2 Hz |
| Tuning Control | 500K Trim Potentiometer |
| Dimensions (H x L) | 25mm x 18mm (1″ x 0.6″) |
| Mounting | Built-in peel-and-stick adhesive |
Picking the right circuit is a breeze with our color-coded system—no guesswork, just results. High-output Tele? Go Black. Vintage Strat? Grab Blue. Neck humbucker? Green’s your match.
Installing a Boffin FX Adjustable Treble Bleed Circuit is quick, affordable (just $6.99), and built to last, delivering consistent tone for years. Whether you’re gigging live or recording, it’s the easiest way to unlock your guitar’s true potential. Ready to ditch muddy tones and elevate your sound? Visit boffinfx.com to snag the perfect treble bleed circuit for your rig today.
Treble Bleed Frequently Asked Questions
Why does my guitar tone get muddy when I turn down the volume?
Passive guitar circuits act as a low-pass filter. As you roll off the volume, the resistance increases, causing high frequencies to bleed to ground. Our circuits counteract this by providing an alternative path for those high frequencies.
Which circuit type should I choose for my pickups?
For vintage-output single coils, the Standard (Parallel) is ideal. If you use high-output humbuckers or desire a very consistent tone throughout the entire volume sweep, the Kinman (Series) is generally preferred. The Hybrid allows for fine-tuning the balance between these behaviors.
Can I install this if I am not an experienced technician?
Our circuits are designed for straightforward integration. If you are comfortable with basic soldering, you can easily install these directly onto your existing volume potentiometer lugs.
Does this work with my onboard Boffin FX Booster?
Yes. In fact, many players integrate our treble bleed circuits alongside our onboard MOSFET boosters to create a fully optimized signal chain that maintains both gain and tonal clarity at any volume level.












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