FILE 058 · UPDATED SEPTEMBER 29, 2026

MATSUMOKU · 1980s ORIGINALS · ELECTRA-WESTONE CONNECTION

Westone

Westone is one of the names that turns the Matsumoku story into something tangible. Thunder, Spectrum, Concord, Pantera and other families helped define the brand in the 1980s, with St. Louis Music handling the U.S. market and Electra transitioning into Westone. The strongest collector shorthand is “Matsumoku-era Westone,” but the name continued after the factory closed.

OVERVIEW

What to know quickly

MATSUMOKU Westone’s best-known electric era was built by Matsumoku in Japan during the 1980s.
U.S. CONNECTION St. Louis Music distributed Westone in the U.S. and used the name during the Electra-to-Westone transition.
AFTER 1987 Production continued in Korea after Matsumoku closed, and later attempts revived the name again.

Westone is an era-sensitive brand. A Matsumoku Thunder and a later Korean Spectrum may share a logo without sharing construction, factory or collector demand.

IDENTIFY YOUR GUITAR

Which Westone do you have?

Westone model family and serial format are usually the strongest clues. Surviving catalogs document Thunder, Spectrum, Concord, Pantera, Dimension and other lines unusually well.

  1. Find the family name. Thunder, Spectrum, Concord, Pantera, Dimension and Quantum are distinct design groups.
  2. Record the serial number. Matsumoku-era dating systems can often narrow month/year.
  3. Check country markings. Japan vs. Korea is central to the used-market story.
  4. Note active/passive electronics. Many Westones used coil switching, active circuits and other 1980s features.
  5. Watch Electra-Westone branding. Transition pieces deserve their own identification.

SERIES & CURRENT RETAIL GUIDE

The 1980s Matsumoku families are the core reference point

Thunder Thunder I, II, III and bass variants Often $350–$800+ used Natural-wood / active-era classics
Spectrum ST, MX, FX and related Often $250–$600 used Colorful mid-1980s performance line
Concord / Pantera / Dimension Multiple solidbody families Often $350–$900+ used Model-specific Matsumoku market
Post-Matsumoku / revival Korean and later Westone-branded models Often $200–$500+ used Separate later eras

Westone is primarily a used-market file. A modern Westone-focused site currently sells/selects instruments, but the historical 1980s catalog remains the main identification reference.

USED VALUE GUIDE

A small market, but the Matsumoku premium is visible

Guitar Center’s late-September 2026 Westone examples included Thunder and Spectrum guitars around the mid-hundreds. Scarcer Pantera, Prestige and unusual models can sit higher.

SPECTRUM / COMMON Often roughly $300–$500.
THUNDER / CONCORD Often about $400–$700+.
RARE / HIGHER-SPEC Can exceed $800 depending on model and originality.
  1. Confirm Japan vs. Korea. This is the first major value split.
  2. Test switches and active circuits. Westone used a lot of 1980s electronics.
  3. Inspect proprietary hardware. Replacement parts can be harder to source.
  4. Use serial dating cautiously but productively. The enthusiast archive has strong documentation for many MIJ instruments.
  5. Do not overpay for “Matsumoku” without proof. Country, serial and model should support the claim.

CURRENT USED MARKET

See what the market is doing now

Westone supply is much smaller than major brands, so model-specific completed sales matter. Thunder and Spectrum are useful search anchors.

COMPARE

What else lives in this neighborhood?

Westone belongs directly beside Electra, Aria Pro II and Vantage when researching original Japanese designs from the Matsumoku orbit.

COMPARE WITH Electra · U.S. brand-transition relationship
COMPARE WITH Aria Pro II · Matsumoku’s largest historical partner
COMPARE WITH Vantage · another original-design Matsumoku-era brand

WHAT TO WATCH FOR

Before you buy—or price—one

HISTORY & COMMENTARY

Matsumoku finally put a name of its own on the headstock

Westone appeared as a Matsumoku-owned/controlled brand in the late 1970s and became a major electric line in the early 1980s. St. Louis Music later used Westone heavily in the U.S. as Electra faded.

Matsumoku closed in 1987, but the Westone name continued through Korean production and later revival attempts. That closure creates a useful boundary: pre-closure Japanese instruments are one market, while later Westones require their own factory and model research.

WHAT PLAYERS LIKE

Why a Westone can be worth picking up

CURRENT RETAIL & REFERENCE

The historical Westone archive is enthusiast-run but exceptionally deep; individual factory claims should still be verified against the guitar.