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1966 Martin OOO-28-45 Conversion

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Page last updated Aug 10, 2025

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The 1966 Martin OOO-28-45 Conversion is a testament to the meticulous artistry and enduring quality that Martin Guitars have been known for over the decades. This rare and expertly converted model combines the charm of vintage craftsmanship with modern playability, making it an exceptional choice for collectors and performers alike. Originally a Martin OOO-28, this guitar has been meticulously transformed to meet the specifications of the highly sought-after 45-style appointments, featuring intricate inlays and exquisite detailing that elevate its aesthetic and tonal appeal.

This steel-string acoustic guitar boasts a solid Sitka spruce top, providing a responsive and vibrant tone that excels across various musical styles. Paired with East Indian rosewood back and sides, it delivers a rich, resonant sound with impressive projection. The mahogany neck, topped with an ebony fingerboard, ensures smooth playability and comfort for extended playing sessions. The guitar's scalloped X-bracing enhances its tonal depth and clarity, making every note resonate beautifully.

Whether you're strumming in a cozy living room or performing on stage, the 1966 Martin OOO-28-45 Conversion offers a rare blend of historical significance and modern performance capabilities. Its timeless design and exquisite craftsmanship make it a standout piece in any guitarist's collection.

Key Features:

Conversion from an original 1966 Martin OOO-28 to a 45-style
Solid Sitka spruce top for responsive tone
East Indian rosewood back and sides for rich sound
Scalloped X-bracing for improved tonal clarity
Mahogany neck with ebony fingerboard
Intricate inlays and detailing typical of 45-style appointments

FAQs

What is unique about the 1966 Martin OOO-28-45 Conversion in terms of sound?: The 1966 Martin OOO-28-45 Conversion is known for its rich, balanced tone with a strong midrange presence, thanks to its high-quality tonewoods and craftsmanship. This model is prized for its vintage sound that suits both fingerstyle and strumming techniques.
Is the 1966 Martin OOO-28-45 Conversion suitable for fingerstyle playing?: Yes, the 1966 Martin OOO-28-45 Conversion is highly suitable for fingerstyle playing. Its balanced tonal response and comfortable neck profile make it an excellent choice for guitarists who prefer intricate fingerpicking styles.
What type of wood is used in the construction of the 1966 Martin OOO-28-45 Conversion?: The 1966 Martin OOO-28-45 Conversion typically features a spruce top with rosewood back and sides, which contribute to its warm, resonant sound and projection.
How does the neck profile of the 1966 Martin OOO-28-45 Conversion affect playability?: The neck profile of the 1966 Martin OOO-28-45 Conversion is designed for comfortable playability, allowing for easy chord transitions and smooth finger movement, making it suitable for both beginners and advanced players.
Is the 1966 Martin OOO-28-45 Conversion a good choice for recording?: Yes, the 1966 Martin OOO-28-45 Conversion is an excellent choice for recording due to its clear, articulate sound and dynamic range, which capture well in studio environments.

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Eric Clapton

Guitarist

Mark Knopfler’s Guitar Heroes

Verified via Christies

Lee Dickson recalled that this guitar was one of Clapton's two favourite acoustics before the development of his custom signature Martin in 1995. The Longworth has been regularly used by Eric Clapton on recordings, and the phrase 'Get me the Longworth' has been a regular request to Lee in the studio over the years.

Eric Clapton acquired this customised 1966 Martin 000-28 in Nashville in November 1970 whilst he was on his US Tour with the Dominos. He'd stopped there for filming the Johnny Cash show with Carl Perkins as his fellow guest. He used the guitar for recording sessions at Criteria Studios in Miami in the spring of 1974, which produced the album 461 Ocean Boulevard. Clapton was photographed playing the guitar in front of the house he'd rented at that address whilst he was recording that album, and the photo was used as the back cover of the record.

When Clapton went on tour to promote the album later that year, he used this guitar on stage to open the concerts in Scandinavia and the US with Charlie Chaplin's Smile, Let It Grow from 461 Ocean Boulevard and Easy Now from his first solo album. The guitar travelled with Clapton on his first tour of Japan in November 1974, and was used for the opening segment of concerts which consisted of Better Make It Through Today from the album There's One In Every Crowd in addition to Smile and Let It Grow.

This guitar seemed to have remained Clapton's main acoustic guitar throughout 1975/1976 until the 'Rodeo Man' 000-28 took its place on the 1976 tour. It made a brief appearance on stage again during the ARMS tour in the autumn of 1983 for the encore number Good Night Irene with Ronnie Lane. Nine years later, it was played by Andy Fairweather Low during the session for the MTV Unplugged at Bray Studios in 1992. It subsequently made a stage comeback when Clapton used it during the acoustic section of the Blues season at the Royal Albert Hall in 1993 alongside the vintage 000-42 [Lot 19] he used for the Unplugged session. From that point on, 'The Longworth' was regularly used for acoustic numbers on stage throughout the From The Cradle Tour until November 1995.