Wednesday, August 13, 2025

Early '70s Greco EG-420B Solidbody

Part 1 | Part 2 | Part 3 | Part 4 | Part 5

Preamble

This vintage Greco is in the shop for fretboard and neck repairs. Meanwhile, wanting to know more about this instrument, I've been scouring the Web and have come up with some information, of which I'll share with you.



Greco & Canda 1973 Catalog, Page 2



General Specifications

Origin: Matsumoku Industrial Co., Ltd. (Nagano, Japan)
Year of Manufacture: 1972 - 1975
Serial Number: None
Finish: Gloss Ebony
Hardware: Chrome
Tuners: Gotoh "Star"
Bridge: TOM-Style
Tailpiece: Stopbar
Pickguard: Four-Ply B/W/B/W

Headstock 

Design: Open Book
Inlay: Split Diamond
Binding: Cream, Multi-Ply
Logo: Early Gibson-Style "Gneco"
 

Body 

Construction: Six-Piece Mahogany "Pancake" 
Top: Maple
Binding: Cream, Multi-Ply

Neck

Material: Maple
Construction: Bolt-On
Fretboard: Bound Rosewood
Scale Length: 24-3/4" 
Fretboard Radius: 12"
Fretboard Inlays: Pearloid Block
Frets: 22

Electronics

Pickups: Maxon U-1000 Humbuckers
Controls: Neck Volume, Neck Tone, Bridge Volume, Bridge Tone
Switching: Three-Way Toggle
Pots: 500K Audio Taper
Tone Capacitors: 0.04uF, Poly



Headstock Face

"Gneco" Logo

"Custom" Truss Rod Cover

Truss Rod Adjustment Nut

Bound Rosewood Fretboard

Front of Body

Maxon U-1000 "Gneco" Neck Humbucker

Maxon U-1000 Bridge Humbucker

TOM-Style Bridge (Top)

Underside of Bridge

Underside of Stopbar Tailpiece

Volume and Tone Controls

Back of Headstock

Gotoh "Star" Tuners

Neck Heel

"Made in Japan" Neck Plate

Neck Joint

Neck Pocket

Three-Way Toggle Switch

Control Cavity

Neck Volume Pot

Neck Tone Pot and Capacitor

0.04uF Neck Tone Capacitor

Bridge Volume Pot

Bridge Tone Pot and Capacitor

Output Jack and Jack Plate



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