The Return of the Roundback: Why This Acoustic Design Still Matters
For many guitarists, the idea of a classic acoustic silhouette has barely changed in decades. From Martin's iconic dreadnought, introduced in 1916, to the jumbo designs popularised by Gibson in the 1930s, most acoustic guitars still rely on the same fundamental flat-backed construction that has shaped the instrument for well over a century.
Yet one of the most innovative acoustic guitar designs of the modern era arrived in 1966 with a simple question: what if the back of the guitar wasn't flat at all?
The answer was the roundback.
First introduced by Ovation Guitars, whose founder Charles Kaman drew inspiration from aerospace engineering, the roundback was designed to improve projection, durability, and amplified performance. Its distinctive bowl-shaped body stood apart visually, but the real advantages went far beyond appearance.
Built for the Stage
One of the biggest challenges when amplifying an acoustic guitar is feedback. Traditional acoustic bodies can create standing sound waves inside the instrument, which become increasingly problematic at higher stage volumes.
Roundback designs help reduce these resonances thanks to their curved construction. With fewer internal reflections and a more controlled acoustic response, they perform exceptionally well when plugged into a PA system or acoustic amplifier. This made them a favourite among gigging musicians throughout the 1970s, 80s, and beyond.
Today, that same benefit remains just as relevant for performers playing everything from intimate coffee shops to larger venues.
Focused Projection and Sustain
The rounded body shape also affects the way sound moves through the instrument. Rather than dispersing energy in multiple directions, the curved back helps focus projection forward towards the listener.
The result is a clear, articulate voice with impressive sustain and note definition. Chords remain balanced, individual notes stay distinct, and the guitar maintains clarity whether you're strumming rhythm parts or exploring more intricate fingerstyle arrangements.
Surprisingly Comfortable
The visual design often gets the attention, but many players are surprised by how comfortable a roundback guitar can feel.
The curved body sits naturally against the player, avoiding some of the sharper edges associated with larger acoustic guitars. For long rehearsals, songwriting sessions, or live performances, this can make a noticeable difference to overall playing comfort.
Combined with a slim neck profile and modern ergonomics, roundback acoustics offer a playing experience that feels familiar while still being distinctive.
A Modern Take on a Classic Design
The new Hartwood Sonata Roundback Electro-Acoustic Guitar brings this celebrated design into the modern era.
Featuring a solid Sitka spruce top, a rounded composite back, and Fishman electronics, it combines the focused projection and feedback resistance that made roundback guitars famous with the reliability expected by today's performers. The result is an instrument equally at home on stage, in the studio, or during everyday practice.
Six decades after the roundback first appeared, its appeal remains remarkably clear. It's a design born from innovation, refined through years of performance, and still offering genuine advantages for modern musicians.
Sometimes the best ideas don't need reinventing. They simply deserve another look.
Shop the Hartwood Sonata Roundback