AudioFu Chart · October 2026
Best Adamas Roundback Acoustic Guitars 2026
The top pick is Adamas MD80-AG-G 50th Anni MDC LTD ($4,905). Adamas 156SP-5-G Evolution Deep gives you the most for the money at $3,952. Ranked by the AudioFu Index from 9 models, prices checked every night.
Last updated: October 19, 2026
Top 9
Full detail for the 9 highest AudioFu Index scores. Every other model is listed below.
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- Nut width43 mm (1.69")
- Scale642 mm (25.28")
- Frets22 frets
- Fingerboard radius254 mm (10")
- FingerboardEbony fingerboard
This guitar feels special because it was made in a tiny run of just 25 pieces. The hand-laid top uses unique Quintad bracing to help the sound move better. It comes with a Schaller headstock and DR Dragon skin strings for a bright tone. This instrument is great for players who want a unique look and solid build without needing to know every technical detail.
Pros
- Limited run of only 25 pieces for collectors
- Mid-depth fibreglass bowl improves vibration
- Hand-laid NWT top with Quintad bracing
Cons
- No back or sides wood specified in text
- Reversed Beige Burst finish is unusual
50AudioFu
IndexStableno change since Aug 17Aug 17$4,905 now$4,905€4,359 at Thomann · in stockCheck price ↗ -
- Nut width42.8 mm (1.69")
- Scale641 mm (25.24")
- FingerboardEbony fingerboard
This guitar uses a stiff carbon top and fiberglass body for a bright, controlled sound. The walnut neck feels smooth under your fingers, but you won't get the warm, breathing tone of real wood. It pairs well with players who need reliable pickup output without extra noise.
Pros
- Carbon top delivers a bright, fast attack for strumming.
- Fiberglass back and sides offer a consistent, dry tone.
- Walnut neck provides a smooth, warm playing feel.
Cons
- Fiberglass construction lacks the organic warmth of wood.
- No specific tonal character is described in the text.
41AudioFu
IndexStableno change since Aug 17Aug 17$3,952 now$3,952€3,512 at Thomann · in stockCheck price ↗ -
- Nut width43 mm (1.69")
- Scale642 mm (25.28")
- Frets22 frets
This Adamas 1687GT-9-G is a unique instrument—a real conversation starter. The roundback design gives it a distinctive voice, quite focused and resonant, perfect for fingerstyle players or those seeking a very specific, almost orchestral acoustic tone. It's premium-priced, but the craftsmanship and unusual design make it a compelling choice for serious players who want something different.
Pros
- The thin carbon fiber top delivers surprising projection and clarity.
- Adam’s Suspended Top design genuinely enhances sustain and resonance.
- Walnut body and neck provide a warm, complex tonal foundation.
Cons
- The deep bowl roundback design limits versatility across genres.
- At nearly 5 kg, the guitar's weight can be fatiguing for some players.
41AudioFu
IndexStableno change since Aug 17Aug 17$4,950 now$4,950€4,399 at Thomann · in stockCheck price ↗ -
- Nut width43 mm (1.69")
- Scale642 mm (25.28")
- Frets22 frets
This guitar uses a carbon fibre top to keep vibrations tight while the handmade Lyrachord body adds a special warmth. The walnut neck feels solid under your fingers, and the Ovation preamp keeps the sound clean. It suits players who want a unique tone without cutting away the body. You get a full roundback shape with extra soundhole details.
Pros
- Carbon fibre top delivers strong vibration control
- Handmade Lyrachord body offers unique resonance
- Ovation preamp ensures clear signal output
Cons
- No soundhole cover for the multi-hole design
- Scale length is shorter than standard sizes
41AudioFu
IndexStableno change since Aug 17Aug 17$5,062 now$5,062€4,498 at Thomann · in stockCheck price ↗ -
- Nut width43 mm (1.69")
- Scale642 mm (25.28")
- Frets22 frets
This Adamas is a real head-turner, sonically and visually. The roundback and carbon fiber top create a unique resonance – powerful lows and crystal clear highs. It’s a premium-priced instrument ideal for players seeking a distinctive voice and a conversation starter, particularly those drawn to a modern, amplified acoustic sound.
Pros
- Carbon fiber top yields surprising projection and clarity.
- Unique roundback design enhances bass response and sustain.
- Walnut neck provides comfortable feel and excellent stability.
Cons
- The carbon fiber top might feel less 'traditional' to some players.
- Its unconventional design limits versatility across diverse genres.
41AudioFu
IndexStableno change since Aug 17Aug 17$5,063 now$5,063€4,499 at Thomann · in stockCheck price ↗ -
- Nut width43 mm (1.69")
- Scale642 mm (25.28")
- Frets22 frets
This Adamas 1687GT-5 BK is a real statement piece. The carbon fiber top and Lyrachord body create a unique, powerful sound that projects beautifully, and the built-in pickup system is surprisingly articulate. It's perfect for the discerning player who wants something truly special and isn't afraid to embrace a non-traditional acoustic design.
Pros
- Carbon fiber top offers exceptional clarity and projection.
- Lyrachord body delivers a uniquely resonant, complex tone.
- The Ovation pickup system provides a surprisingly natural amplified sound.
Cons
- The deep bowl design limits its suitability for certain playing styles.
- The carbon fiber top can feel less 'traditional' for acoustic guitar purists.
41AudioFu
IndexStablesince Aug 17$5,063 · Aug 17$5,063 now$5,063€4,499 at Thomann · in stockCheck price ↗ -
- Nut width42.8 mm (1.69")
- Scale641.4 mm (25.25")
- FingerboardWalnut fingerboard
This limited edition guitar feels special because of its carbon fibre top and deep fibreglass bowl. The Quintad bracing and walnut neck give it a solid, modern build. It suits players who want a unique sound without sacrificing playability.
Pros
- Carbon fibre top uses Adamas Suspended Top Technology for better vibration control
- Quintad bracing pattern provides a distinct structural rigidity
- Deep fibreglass bowl design offers unique resonance characteristics
Cons
- Composite rose body binding limits traditional wood resonance
- Exotic hardwood epaulettes add weight and cost
41AudioFu
IndexStableno change since Aug 17Aug 17$6,154 now$6,154€5,469 at Thomann · in stockCheck price ↗ -
- Nut width42.8 mm (1.69")
- Scale642 mm (25.28")
This high-end roundback guitar uses a carbon fiber top to help the wood vibrate more freely. The walnut neck and fretboard give it a solid feel, paired with special Lyrachord strings for a unique sound. While it comes with a great preamp and case, some specific details like body depth and fret type aren't listed. It's a premium choice for players who want modern materials without sacrificing traditional styling.
Pros
- Carbon fiber top with Adamas Suspended Top technology for better vibration
- Walnut neck and fretboard offer a warm, smooth feel under your fingers
- Lyrachord strings provide a distinct, rich tone compared to standard steel
Cons
- No specific body depth measurement is provided in the listing details
- Pickup system lacks a named brand or specific preamp model number
38AudioFu
IndexStableno change since Aug 17Aug 17$5,288 now$5,288€4,699 at Thomann · in stockCheck price ↗ -
- Frets24 frets
This guitar feels like a modern instrument built for serious players who want strong bass. The thin carbon fibre top and deep bowl shape make it sing with a rich, full tone. It plays comfortably thanks to the solid walnut neck and fretboard. Perfect for anyone who values custom craftsmanship and reliable electronics without needing traditional wood on the top.
Pros
- Thin carbon fibre top drives deep, powerful bass response
- Handmade Lyrachord body shape offers unique sustain and resonance
- High-end Ovation preamp delivers clean, balanced pickup tone
Cons
- Composite rope binding may feel less traditional than solid wood
- Glass components in binding add visual flair but unclear structural impact
35AudioFu
IndexStableno change since Aug 17Aug 17$5,895 now$5,895€5,239 at Thomann · in stockCheck price ↗
Roundback Acoustic Guitars by the numbers
Measured across all 64 models we track, not a sample.
Median $5,063 — half of all roundback acoustic guitars here cost less.
median of 62 models · 42.8 mm (1.69")–43.2 mm (1.7")
median of 62 models · 641 mm (25.24")–650 mm (25.59")
median of 52 models · 20–24
most common · 17 models
How the AudioFu Index works
Five measured signals and nothing else — no stars from strangers, no “tested by experts” we didn’t do. The weights are fixed and public. We don’t play these instruments; we measure the market around them.
This chart covers 10 roundback acoustic guitars from the Thomann catalogue (of 64 in the category). Before you buy, read hands-on reviews and, where you can, play it. Full methodology.
AudioFu earns a commission when you buy through our Thomann links. It never changes the order — the index does.
- Demand40%
How many of this exact model are for sale on Reverb right now — what musicians actually buy and resell.
- Lineup20%
How many finishes Thomann stocks — makers expand the models that sell.
- Price15%
Where the price has moved since we started tracking in August.
- Specs15%
How completely the maker documents it.
- Maker10%
How deep the brand’s range is in this category.
Questions
What should I look for when buying roundback acoustic guitars?
Key factors include build quality, sound characteristics, playability, brand reputation, warranty coverage, and value for money. Consider your musical style, skill level, and intended use to find the best match.
How much should I spend on roundback acoustic guitars?
Budget depends on your needs and experience level. Beginners can find quality options for $200-500, intermediate players should consider $500-1500 range, while professionals often invest $1500+ for premium features.
Are expensive roundback acoustic guitars worth the investment?
Higher-priced roundback acoustic guitars typically offer better materials, craftsmanship, and performance. They're worth it if you're serious about music, perform regularly, or need professional-grade features.
What are the best brands for roundback acoustic guitars?
Top brands combine quality, innovation, and reliability. We evaluate brands based on build quality, sound performance, durability, and customer satisfaction to recommend the best options for different budgets.
Should I buy roundback acoustic guitars online or in-store?
Both have advantages. Online offers better prices and selection, while stores allow hands-on testing. We recommend researching online first, then testing in stores if possible. Many online retailers offer excellent return policies.
