Franz Bassguitars Sirius 4 R. Gauck Signature FL

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Franz Bassguitars Sirius 4 R. Gauck Signature FL

Franz Bassguitars

Sirius 4 R. Gauck Signature FL

4.8 Expert Rating

Product Info

Article Number: 378245
Model: Sirius 4 R. Gauck Signature FL
Price: $4,389.00

* Prices may vary. Check retailer for current pricing and availability.

Ralf Gauck’s signature Sirius 4 R is a beautifully crafted, premium-priced fretless bass designed for serious players seeking a refined, vintage-inspired tone. The walnut body and ebony fingerboard deliver a rich, woody character with excellent note definition, perfect for jazz, soul, and classic R&B where nuanced intonation is key. It's a statement instrument, and a joy to play for those who've mastered the fretless technique.

Product Description

  • Franz Bassguitars Sirius 4 R. Gauck Signature FL
  • Electric Bass
  • Body: Walnut
  • 5-Piece neck-thru-body thermo ash neck
  • Fingerboard: Ebony
  • Scale: 876 mm (34 1/2")
  • Matching headstock
  • String spacing: 19 mm
  • Pickup: 1 Rheingold humbucker with ebony housing
  • Passive electronics
  • ETS 3D bridge with ebony block
  • Machine heads: Gotoh
  • Black hardware
  • Strings: Flatwound
  • Colour: Natural Matte
  • Includes case and instructional book by Ralf Gauck
  • Made in Germany
PROS
  • • Walnut body provides a warm, resonant, and controlled low-end response.
  • • Thermo ash neck offers exceptional stability and a smooth, fast playing feel.
  • • Rheingold humbucker delivers a focused, articulate tone with surprising clarity.
  • • ETS 3D bridge enhances sustain and minimizes unwanted string vibration.
CONS
  • • The passive electronics limit tonal shaping options for modern bass styles.
  • • Walnut body construction can make it a relatively heavy instrument.
  • • Fretless basses demand precise technique; not beginner-friendly.

Product Video

Key Features

Body Material Walnut
Neck Material 5-Piece Thermo Ash
Fingerboard Ebony
Pickups 1 Rheingold Humbucker with Ebony Housing
Scale Length 876 mm (34.5 in)
Frets Fretless
Strings Flatwound
Weight Approximately 4.5 kg (9.9 lbs) - typical for a walnut body

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Frequently Asked Questions

The Rheingold offers a more vintage-inspired tone than many modern pickups; it’s less aggressive and more focused on clarity and warmth, prioritizing a smooth, rounded sound.
Absolutely, the passive design contributes to a clean, noise-free signal, ideal for capturing a natural and authentic fretless tone in the studio.
The ebony housing helps dampen any unwanted resonance from the pickup itself, contributing to a tighter, more controlled tone and improved note clarity.

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