ER4
Archtop · Archtop
The model
- Top
- Solid Spruce
- Back and sides
- Solid Mahogany
- Body
- Otto D'Ambrosio Signature Design
- Body size
- 16" x 2 1/4"
- Scale length
- 25"
- Nut
- Bone 1.72"
All 34 specs as Eastman lists them
- Neck Material
- Mahogany
- Fingerboard
- Ebony
- Fingerboard Radius
- 12"
- Neck Profile
- Traditional Even C
- Nut
- Bone 1.72"
- 1st Fret String Height
- .022"
- 12th Fret String Height
- Bass .078 & Treble .062"
- Fretwire
- 22 Jescar FW47104
- Scale Length
- 25"
- Body Style
- Otto D'Ambrosio Signature Design
- Body Dimensions
- 16" x 2 1/4"
- Body Top
- Solid Spruce
- Body Back/Sides
- Solid Mahogany
- Truss Rod
- Single Acting
- Binding
- Top and Back
- Binding Material
- Maple
- Logo
- Maple Headstock
- Inlay
- Pearl Thumbnails
- Finish
- Truetone Gloss
- Hardware Color
- Gold
- Tailpiece
- Ebony ER Style
- Bridge
- Ebony
- String Spacing
- 2 3/32"
- Tuners
- Gotoh SG301-20GG
- Knobs
- Amber Speed Knobs
- Pickup
- Lollar Custom Wound Imperial Humbucker
- Pickup Height
- 3/32"
- Pickup Frame
- Black Plastic
- Capacitors
- 0.047μF
- Potentiometers
- 500K AudioTaper
- Output Jack
- Switchcraft
- Strings
- D’Addario NYXL .012 - .052
- Case
- Hardshell Case
- Colors
- Classic, Pomonaburst
Source: Eastman — ER4, checked Oct 27, 2026
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