









S-Series Bass - Custom
Description
About the S-Series
The S-Series is the pinnacle of Belforti Instruments’ craftsmanship and innovation, designed for those who demand nothing less than perfection. These are not just instruments—they are masterpieces, blending exquisite artistry, cutting-edge performance, and unparalleled customization. Each S-Series guitar or bass is a testament to our commitment to delivering the ultimate playing experience.
Crafted in Paris from the finest tonewoods and materials, the S-Series instruments are individually tailored to your vision, offering endless possibilities for customization in design, finish, and functionality.
The S-Series represents the peak of what Belforti can achieve, built for musicians who see their instrument as an extension of their art and individuality. With its unmatched attention to detail and luxurious design, the S-Series stands as a statement piece on any stage or in any collection.
Quick Specs
You won't find standard specs for the E-Series Custom.
You are the one choosing everything, body shape, fretboard radius, chambering, colors, inlays.
No limits, just you, and your tastes
Core Features
These are the core features common to all Belforti Guitars and Basses :
- Made in France
- PLEK Treatment
- Rated Tonewoods
- Invisible Fret Tangs
- Radiused Fret Slots
- Angled Full Length Carbon Reinforcements
- Easy Truss Rod Access
- Selected Bone Nuts
- Handwound Pickups
- Matching Pickup Shells
- Optima 24KGold Strings
- Belforti x ABM Single Saddle Bridge
- Thin Frets
- UltraThin Polyurethane
Warranty
Every Belforti instrument comes with a comprehensive warranty covering manufacturing defects and workmanship for a lifetime. This warranty ensures quality and craftsmanship. Exclusions apply. For any issues, contact our support team for prompt resolution. Enjoy peace of mind knowing your instrument is backed by our commitment to excellence.
Delivery
Production Time
Between 6 and 8 months*If the instrument is in stock, shipping occurs within days.
Delivery
Orders are shipped from France, ensuring no extra fees within the European Union. For customers outside the EU—such as those in Norway, Switzerland, or Iceland—local import fees and duties will be applied based on your country's regulations.Guitars and large items benefit from fast, free* delivery via DHL Express with On Demand Delivery, allowing you to track and manage your shipment throughout its journey.
Configure your S-Series
Choose everything in the 3D Configurator. From core specs to colors, down to the string gauge and side dots.
We won't judge (at least not publicly)
If you have any questions, feel free to contact us. We will respond as quickly as possible, within 24 hours on weekdays.
Delivery information
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Consumer services
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Contact us
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S-Series Features

Private Stock Woods
When you reach the S-tier level, you're not just picking a guitar; you're choosing a masterpiece. Our Private Stock Woods represent the absolute pinnacle of tonal and aesthetic excellence, handpicked for their unparalleled beauty and unique sonic characteristics.
All of the woods in the Private Stock score between 91 and 100 on the Belforti Rating. These pieces are extremely rare and are the results of intense researchs and sourcing.
Our Private Stock is where you'll find rare, heirloom-quality woods with stunning figuring, color, and unique tonal qualities.
Choose from an extensive range of options—ranging from extraordinary flame and quilted maple, to exotic woods like cocobolo and ziricote.

Wrapped Inlayed Top
Every S-Series comes with our most advanced signature lutherie technique
The Wrapped Inlayed Top
Not only do you get the most rare Private Stock Tops, but instead of being glued on top of the body of the instrument, S-Series tops are inlayed in the body, and outlined with a 3 ply purfling.
This creates a seamless integration of the top in the instrument's design, gives it a natural contoured binding look, and did we mention it still follows the curve of the armrest

Signature Pickup Shells
S-Series instruments feature Signature Matching Pickup Shells, meticulously crafted to harmonize with the overall design of your instrument. They are a mirror of our inlayed top, as the matching wood is inlayed in the shell to mimic the top of the S-Series

Signature Inlays
S-Series Inlays are subtle,elegant rework of our standard inlays. They are an outlined version, to preserve the private stock woods' grain. They are matching your top, and extracted as one piece of wood each.

EVO Gold Frets
Made from a special copper alloy, EVO Gold Frets offer a perfect blend of strength and longevity without sacrificing tonal clarity. They are remarkably resistant to wear, ensuring that your instrument stays in peak condition for years, even under heavy use.
Not only do they provide a silky-smooth playing experience, but their distinct gold color adds an extra layer of aesthetic sophistication to your instrument.
Supercharged. By Belforti
Ultra Electronics
The Ultra Electronics Configuration goes along our S-Series and features AURA IV Pickups and a Flexcore EQ, this setup delivers exceptional tonal range and precision for the most demanding musicians. The Ultra Configuration represents the pinnacle of our guitar electronics.
Pickups
- 2 Belforti AURA IV-J
A stacked dual-coil pickup with Alnico 8 pole pieces and scattered winding for high output, clarity, and punchy mids. Noise-free with dynamic highs, it’s perfect for genres demanding precision and detail.
OR
- 2 Belforti AURA IV-M
A side-by-side dual-coil pickup with Alnico 8pole pieces and scattered winding for a thick, aggressive tone with strong low-end. Perfect for rock and metal, it delivers bold, authoritative bass that cuts through the mix.
Circuit
- Layout
Dual Volume / Master Tone
Stacked Bass / Treble
Low Mid
Active / Passive Switch
Coil Tap Switch
Mid Frequency Switch
- Preamp
FLEXCORE SYSTEM 3 band EQ
9/18V
- Jack
Pure Tone Stereo
Once you have designed your instrument and chose your specs, hit the order button. Uppon receiving your order, we will provide your with a more high quality render of your future instrument.
And boy are they accurate !
Render vs Reality
Preview your instrument


What's included
Your instrument
How surprising !
Belforti Premium Gig Bag
Your Belforti deserves proper protection. So it comes with a signature padded gig bag themed after the series you chose.
Sturdy, weather-proof, and oh so cool !
Setup Tools
Your instrument comes completely setup and ready to play. But you might wanna tweak things up a bit later on, so we got you covered !
Certificate of Authenticity
A real Belforti deserves a certificate. Can't fake this up
Here's what awaits you !
The Building Process
Don't worry, you will be given regular updates, photos, and you will most certainly see your instrument on our social media being scraped, sanded, machined, and given all the mojo we have in stock.

Step 1
Confirmation
Once you've ordered, we'll reach out and recap everything.
Your instrument will go in production in the current or next batch depending on production load and schedule.
At this step, you won't be able to change the core specs of your build before anymore.

Step 2
Production Starts
The different parts of your guitar will enter production, starting with your fretboard and the inlays, moving on to the body machining and lastly your neck.
At this point, there is still room for adjustments like colors or minor options, but you can't go back on the core specs of your build

Step 3
Pre-Assembly
Before going into the finishing process, your instrument is pre-assembled to double check taht everything fits, and that parts and components are all ready.
At this point, every part of your instrument is rough cut out of the CNC, and ready for finish sanding.

Step 4
Finish
Now will begin the finishing process, starting with final sanding. Once every piece is smooth and silky, we will prepare your instrument for the actual finish process.
Depending on your chosen specs and finish type, a process ranging from 1 to 4 weeks will begin.

Step 5
Final Assembly & Setup
Your instrument is fresh out of the spray booth and buffer.
Now we will assemble it, check it, put it under tension and wait for a couple days to let the instrument stabilize.
We will then start the final setup process with the PLEK.

Step 6
Shipping
Once we're happy with every detail of your instrument, we will contact you to organize shipping.
Your instrument will be packed and secured in its case, and prepared for its journey home
Our delivery partners will take care of the rest, and you will receive your precious bass or guitar within days or weeks depending on your location.