Modulus Graphite Bass Guitars
ActiveOverview
Modulus Graphite is an American manufacturer specializing in bass guitars featuring carbon fiber necks. The brand focuses on high-end, boutique instruments using innovative materials like aerospace-grade graphite combined with tonewoods.124
History
Founded in 1978 in the San Francisco Bay Area by Geoff Gould, a bassist from an aerospace company in Palo Alto, California, and coworker Jerry Dorsch.14 The company pioneered graphite necks for guitars and basses and introduced the Genesis series combining structural graphite with tonewoods.4 Originally Modulus Graphite, it was later known as Modulus Guitars before reverting; a split led Jerry Dorsch to start Graphite Guitar Systems in Washington state.1
Product Lines
| Product Line | Positioning | Price Range |
|---|---|---|
| Vertex Series (single pickup bolt-on) | entry-level carbon fiber neck bass | $1,500 - $2,500 |
| Genesis Series | graphite and tonewood hybrid construction | $3,000 - $5,000 |
| Quantum Series | high-end multi-scale fanned fretless | $4,000 - $6,000 |
Manufacturing
Instruments are handmade in the USA, centered in the San Francisco Bay Area.34 Production emphasizes boutique craftsmanship with in-house innovation in carbon fiber necks.2
Notable Products
- Vertex Bass - Single pickup bolt-on model with graphite neck.
- Genesis Bass - Hybrid design combining graphite structure and tonewoods.
- Quantum 6 - Extended-range bass with carbon fiber reinforcement.
Reputation
Enthusiasts and professionals value Modulus for durable, stable carbon fiber necks and superior playability in high-end basses.12 The brand holds a niche reputation for innovation in materials since the 1970s.4 Some note limited availability, as products are sold through select dealers like Planet Bass.3