§ S · Evidence

Sources & Method

Every dating marker, ply count and hardware year on this site traces back to one of the records below. The ledger is numbered so individual claims can be cited by reference.

Ledger last verified

Method

Catalog first

A claim is stated as fact only when a manufacturer catalog, an official company history, or a published auction record supports it. Collector consensus alone is context, not evidence.

Gaps are stated

Where the primary-source record is silent — grommet placement per era, exact lug-transition dates, the paper-label to metal-badge cutover — the page says “unverified in available documentation” rather than filling the gap.

Numbers are sourced or withheld

Prices and market figures appear only with a named house, date and link. Syndicated market-research percentages with unpublished methodology are not reproduced anywhere on the site.

Corrections are welcome

Documented corrections — a catalog scan, a dated advertisement, a serial-bearing example — are incorporated and the last-verified date on this ledger is advanced.

Tama source ledger

  1. [1]
    Tama Drums — official product catalogs
    Hoshino Gakki Co., Ltd. · Manufacturer catalog · 1974 — 1990

    Primary evidence for line introductions, shell specifications, finish names and hardware model designations. Catalog-year attribution is used in preference to collector consensus wherever the two disagree.

  2. [2]
    Tama company history and brand chronology
    Tama Drums (Hoshino Gakki) · Manufacturer · accessed 2026

    Used for the 1974 Star-to-Tama rebrand, the Superstar birch launch and the Artstar II maple transition.

  3. [3]
    Vintage Tama badge and dating references
    Vintage Drum Guide · Collector reference · accessed 2026

    Cross-checked against catalogs for badge-era windows. Where this source and catalog evidence conflict, the page states the conflict rather than resolving it.

  4. [4]

    Basis for endorsement-era associations and contemporaneous descriptions of kits in use. Used for context, not for shell specifications.

  5. [5]
    Scanned catalog archive
    Drum Archive · Archive · accessed 2026

    Scanned period catalogs across Tama and the wider trade, used to confirm dates and model naming.

  6. [6]
    Published auction results
    Julien's Auctions · Bonhams · Auction · 2015 — 2020

    The only figures reproduced in the Market section. Hammer prices are quoted with house, lot date and a link to the published result; unsourced market percentages are withheld.

Related-brand source ledger

References supporting the related brand histories — Ludwig, Vistalite, Slingerland, DW, Gretsch, Rogers, Pearl and Sonor.

  1. [7]
    Ludwig Drums — Company History
    Ludwig Drums (Conn-Selmer) · Manufacturer · brand: ludwig

    Primary source for the 1909 founding, the Conn sale, the WFL years and the 1955 return of the Ludwig name.

  2. [8]
    Ludwig Serial Number & Badge Dating Guides
    Vintage Drum Guide · Collector reference · brand: ludwig

    Used for keystone vs. blue/olive badge windows and serial-number ranges cited in the dating notes.

  3. [9]
    Ringo Starr's Oyster Black Pearl Downbeat kit, sale result
    Julien's Auctions · Auction · brand: ludwig

    Source for the December 2015 hammer figure quoted for Ringo Starr's Ed Sullivan-era Downbeat kit.

  4. [10]
    Supraphonic and Black Beauty model documentation
    Ludwig catalog archive, Drum Archive · Archive · brand: ludwig

    Scanned period catalogs used to confirm shell recipes, snare specifications and finish names.

  5. [11]
    Ludwig catalog scans, 1972–1979
    Drum Archive · Archive · brand: ludwig-vistalite

    Period catalogs used for Vistalite introduction, colour options, Tivoli variants and pattern kits.

  6. [12]
    Vistalite acrylic model overview
    Ludwig Drums (Conn-Selmer) · Manufacturer · brand: ludwig-vistalite

    Current manufacturer description of the acrylic line and its reissues.

  7. [13]
    John Bonham amber Vistalite kit coverage
    Modern Drummer · Press · brand: ludwig-vistalite

    Contemporary and retrospective reporting on the amber Vistalite kit and its sizes.

  8. [14]
    Slingerland catalog and badge archive
    Drum Archive · Archive · brand: slingerland

    Scanned catalogs behind Radio King specifications, badge eras and model naming.

  9. [15]
    Slingerland dating and Radio King reference
    Vintage Drum Guide · Collector reference · brand: slingerland

    Used for solid-shell vs. ply construction notes and ownership-change timeline.

  10. [16]
    Buddy Rich equipment history
    Modern Drummer · Press · brand: slingerland

    Reporting used for endorsement-era associations rather than exact kit specifications.

  11. [17]
    DW — Our Story
    Drum Workshop · Manufacturer · brand: dw

    Primary source for the 1972 teaching-studio origin, the Camco acquisition and pedal lineage.

  12. [18]
    DW Timbre Matching and shell technology documentation
    Drum Workshop · Manufacturer · brand: dw

    Manufacturer technical pages behind the shell, X-shell and Timbre Matching descriptions.

  13. [19]
    Roland acquisition of Drum Workshop
    Roland Corporation press release · Press · brand: dw

    Source for the 2021 acquisition date and terms as publicly announced.

  14. [20]
    Gretsch Drums — Heritage
    Gretsch Drums · Manufacturer · brand: gretsch

    Primary source for the 1883 Brooklyn founding, the Broadkaster name and current US production.

  15. [21]
    Round badge dating and shell construction references
    Vintage Drum Guide · Collector reference · brand: gretsch

    Supports the roughly 1957–1971 round badge window, 6-ply maple/gum construction and silver sealer details.

  16. [22]
    Gretsch drum kit auction results
    Reverb / Heritage Auctions · Auction · brand: gretsch

    Basis for the relative value ranking of round badge kits and rare sparkle finishes.

  17. [23]
    Rogers Drums — brand history
    Rogers Drums · Manufacturer · brand: rogers

    Source for the 1849 origin, the Swiv-O-Matic system and the Dyna-Sonic introduction.

  18. [24]
    Rogers badge and plant dating charts
    Vintage Drum Guide · Collector reference · brand: rogers

    Supports the Covington, Cleveland and Dayton era distinctions used for dating.

  19. [25]
    Dyna-Sonic snare listings and sold prices
    Reverb · Auction · brand: rogers

    Evidence for relative brass vs. wood shell Dyna-Sonic values and completeness premiums.

  20. [26]
    Pearl Drums — company history
    Pearl Musical Instrument Co. · Manufacturer · brand: pearl

    Primary source for the 1946 Chiba founding, the move into drums and the Export launch.

  21. [27]
    Pearl catalog archive, 1970s–1980s
    Vintage Drum Guide · Archive · brand: pearl

    Scanned period catalogs behind the fiberglass shell and pro-line model claims.

  22. [28]
    Vintage Pearl sold listings
    Reverb · Auction · brand: pearl

    Basis for the statement that seventies pro-line and fiberglass kits lead the vintage Pearl market.

  23. [29]
    Sonor — 150 years of drum building
    Sonor · Manufacturer · brand: sonor

    Source for the 1875 Weissenfels founding, the relocation to Bad Berleburg and the Phonic/Signature lines.

  24. [30]
    Teardrop and Phonic era identification notes
    Vintage Drum Guide · Collector reference · brand: sonor

    Supports the Teardrop lug date window and the beech shell construction details.

  25. [31]
    Sonor Signature snare sold prices
    Reverb · Auction · brand: sonor

    Evidence for the standing of ferromanganese and bronze Signature snares in the current market.

TamaStar is an independent editorial project published by BackTier. It is not affiliated with, endorsed by, or connected to Tama Drums, Hoshino Gakki Co., Ltd., or any drum manufacturer. All trademarks are the property of their respective owners.