Eastman ER4 El Ray Otto D'ambrosio Signature Hollowbody Electric Guitar - Pomonaburst with Hardshell Case

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This brand new 5.6 lb Eastman will ship insured, fully set up, and inspected from Rapid City, SD.

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A refined instrument for players seeking rich, expressive tone and boutique craftsmanship, the Eastman ER4-PB brings a modern take to classic hollowbody design. Inspired by Otto D’Ambrosio’s innovative approach to archtop construction, this guitar blends traditional materials with thoughtful design choices that enhance both tone and playability. Available now at Haggerty’s Music, it stands as a compelling option for jazz, blues, and beyond.

At the heart of the ER4-PB is a fully carved tonewood pairing of solid spruce and solid mahogany, delivering a warm, articulate voice with excellent note separation and dynamic response. The single Lollar Imperial humbucker in the neck position captures the natural acoustic character of the instrument while adding depth, clarity, and smooth warmth — perfect for clean jazz lines, soulful blues phrasing, or even ambient textures. Its 25” scale length and ebony fingerboard provide a comfortable, responsive feel that invites nuanced playing.

Visually, the Pomonaburst finish highlights the guitar’s elegant curves and wood grain, complemented by maple binding, pearl thumbnail inlays, and gold hardware. From its ebony bridge and tailpiece to its Gotoh tuners and high-quality electronics, every detail reflects Eastman’s commitment to craftsmanship. Paired with a hardshell case, the ER4-PB is a professional-grade hollowbody ready for stage, studio, or intimate performance settings.

Features / Specs

Highlights

• Series: ER4
• Orientation: Right-Handed
• Color: Pomonaburst

Body

• Body Material: Solid Mahogany
• Body Top Material: Solid Spruce
• Body Finish: Truetone Gloss
• Body Shape: Otto D’Ambrosio Signature Design
• Body Style: Hollowbody

Neck

• Headstock Type: D’Ambrosio Custom
• Neck Material: Mahogany
• Neck Shape: Traditional Even C
• Neck Finish: Gloss
• Neck Depth: 0.870” at 1st Fret, 0.936” at 12th Fret
• Neck Construction: Set Neck
• Fingerboard Radius: 12”
• Fingerboard Material: Ebony
• Position Inlays: Abalone Crest
• Side Dots: White
• Number of Frets: 22
• Truss Rod Style: Single Acting
• Truss Rod Nut: Headstock Adjustable
• Nut Material: Bone
• Nut Width: 1.72”
• Fret Material: Jescar FW47104
• Scale Length: 25”

Hardware

• Bridge: Ebony Adjustable Bridge
• Bridge Cover/Tail Piece: Ebony ER Style Tailpiece
• Bridge Mounting: Floating
• Pickguard: None
• Pickup Covers: Gold
• Control Knobs: Numbered Amber Bell Knobs
• Switch Tip: None
• Hardware Finish: Gold
• Tuning Machines: Gotoh SG301-20GG
• String Trees: None
• Strings: D’Addario NYXL .012–.052
• Tremolo Arm: None
• Neck Plate: None
• Strap Buttons: Standard
• Output Jack: Switchcraft, Side-Mounted 1/4”

Electronics

• Pickup Configuration: H
• Neck Pickup: Lollar Custom Wound Imperial Humbucker
• Controls: Volume, Tone (500K Audio Taper, 0.047μF Capacitor)
• Switching: None

Miscellaneous

• Accessories: Certificate of Authenticity, Adjustment Tools
• Case/Gig Bag: Hardshell Case
• Serial Number: 1533
• Manufacture Date: 2026