Sigma OMR-21

Big value in a small guitar

Having previously played two huge Sigma jumbos (the recently reviewed JR12-1STE and JRC-40E), the OMR-21 feels like a child's travel guitar feel to this writer at first. Still, the nonetheless fully formed 14-fret OMR-21 exudes class and heritage.

"As a fairly small proposition, the OMR-21 offers a comfortable and intimate playing experience"

It has a solid Sitka spruce top, a satin neck, back and headstock crafted from laminated Indian rosewood and the mahogany neck appears of a high visual grade. It's beautifully understated: the dark tortoiseshell-style binding has no inner purflings, and its small tortie pickguard gives it real sophistication.

As a fairly small proposition, the OMR-21 offers a comfortable and intimate playing experience. Hugely popular with fingerpickers, the OM typically has a wider nut, and it's the same here. Whether intended or not, the neck profile is slightly flat-backed, which makes thumb-behind positioning feel natural.

The neck is unbound and there's little to criticise about the fingerboard and fretting: yes, the frets are typically small gauge - never great for big bends - but the compensated bone saddle and nut add upmarket class, and the setup is almost too slinky.

Sounds

"The lower end has a fundamental oomph to it; the mids sound strong and upper fret higher position lines also have a little power"

OMs, understandably, seem to have a narrower sound than your typical jumbo or dreadnaught, but the lower end has a fundamental oomph to it; the mids sound strong and upper fret higher position lines also have a little power. To our ears, the guitar is working as a whole.

It's not the richest, roomiest low end we've heard from an OM, but at this price you really shouldn't be disappointed. For these hands, that extra nut width spacing feels spot on. It's one of those easy instruments that can be fingerpicked, strummed or used pick and fingers. It feels and - for the most part - sounds right.

As a starter guitar for the serious student there's little to bemoan here and we suspect the OMR-21 will impress even the more experienced players.

MusicRadar Rating

4.5 / 5 stars
Pros

Great starter instrument. Price. Great build.

Cons

Heard better low-end from an OM.

Verdict

The perfect steel- string? Damn close. Affordable and classic-looking with a sound that punches above its price.

No. of Frets

20

Scale Length (Inches)

25.4

Country of Origin

China

Hardware

Individual Grover enclosed, chrome-plated tuners

Bridge

Rosewood with compensated bone saddle

Weight (lb)

4.31

Back Material

Laminated Indian rosewood

Left Handed Model Available

No

Neck Material

Mahogany

Top Material

Solid Sitka spruce

Nut

Bone/44.94mm

Sides Material

Laminated Indian rosewood

Scale Length (mm)

645

Weight (kg)

1.95

Fingerboard Material

Indian Rosewood

Available Finish

Natural gloss with satin neck/head finish (as reviewed)

Review Policy
All MusicRadar's reviews are by independent product specialists, who are not aligned to any gear manufacturer or retailer. Our experts also write for renowned magazines such as Guitarist, Total Guitar, Computer Music, Future Music and Rhythm. All are part of Future PLC, the biggest publisher of music making magazines in the world.

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