Review: Three Solid Mahogany Soprano Ukuleles – Flight MUS-2 + Ohana SK-38 + Sigma SUM-2S

The ukes have been recorded with a Citronic RM-06 ribbon microphone plugged into a Cranborne Audion Camden EC2 preamp. All EQ-settings were kept identical between the three models.

Alkuperäinen suomenkielinen juttu on ilmestynyt Rockway-blogissa.

Vintage C. F. Martin Style 2 soprano uke

Most of us will have started learning to play the uke with an affordable instrument, whose soundbox is probably made – at least in part – from laminated wood. Over time our playing will have improved, making us feel that it was maybe time to step up to a higher quality uke, which in most cases will mean an all-solid instrument.

If you’re interested in the history of this diminutive instrument you will have noticed that C. F. Martin & Co is a legendary maker of ukuleles. Even though Martin is a company based in Pennsylvania, they have started crafting ukes during the ukulele boom of the 1910s already. Not content making mere copies of Hawaiian instruments Martin almost singlehandedly developed the ukulele further, raising the benchmark for how a great uke should look and sound in the process. Martin also sold bucketloads of the little instruments – their ”economy model” alone, the Martin Style 0, sold almost 90,000 units between 1922 and 1994, when the original production run ended (temporarily).

The Martin Company originally introduced three soprano models in 1915, named Style 1, Style 2 and Style 3. The higher the Style’s number the more intricate the cosmetic features, like bindings and rosettes, would be.

My personal favourite is the dark brown all-mahogany Style 2, which is why I’ve chosen three all-solid Style 2-copies for this review.

A word about friction tuners

Most ukuleles these days are made with geared guitar tuners, which make tuning relatively easy for beginners. This is due to the so-called gear ratio, meaning the number of turns on a machine head’s knob relating to a full turn of the actual tuner post. This is normally somewhere between 14:1 and 18:1, meaning 14 or 18 turns of the knob shaft will give you one full turn of the tuner’s post.

Friction pegs aka patent tuners

Originally, all ukuleles came with simple wooden friction pegs that kept the strings in tune by simple friction between the hole in the headstock (aka peg head) and the wooden peg. This is exactly the same type of system that’s still in use on violins or cellos.

In 1920 Martin started introducing new-fangled friction pegs – first on more expensive models, but then across their whole uke range – which offered a much smoother tuning action. Friction tuners contain no gears, meaning their ”gear” ratio is 1:1 (like on a wooden peg), but here the friction is caused by metal washers, or plastic washers, or metal springs, that are forced against the front and back surfaces of the headstock. Their ”action” or stiffness can be adjusted with the screw at the top of the tuning button.

I would never recommend giving a beginner an instrument with patent pegs, because learning to tune your uke properly is hard enough in the beginning. But there is no reason to be afraid of friction pegs, either, once you know the basics of tuning your instrument. Just keep in mind that very little goes a long way with patent pegs, when it comes to hitting the correct pitch. You should also keep the right screwdriver handy for quick adjustments of the pegs’ stiffness, which can shift between summer and winter, due to the headstock wood expanding and contracting according to the relative humidity.

Nowadays friction tuners are mostly found on vintage-style ukuleles, like on the three instruments reviewed here.


Flight MUS-2

Flight is a Chinese brand concentrating mostly on ukuleles.

The Flight MUS-2 (current price in Finland: 199 €; incl. gig bag) is their version of a Martin Style 2 soprano ukulele. This is a beautiful instrument that invokes its vintage mojo with the help of a matte open-pore finish over a rich brown wood stain.

Flight’s own additions to the recipe include wooden body binding – instead of the celluloid plastic used on the original – as well as a cream rosette around the soundhole.

The Flight MUS-2’s neck is solid mahogany, too, but made of three parts, with the neck heel and the upper half of the peg head glued to the neck’s long main part. This way of doing things is both more economic and better for the environment than carving the neck out of a much larger wooden blank.

The Flight’s fretboard and bridge have been made from walnut, while the top nut and the bridge saddle are genuine bone.

The MUS-2 uses a set of Gotoh friction pegs, which employ plastic knobs, silicone washers and metal sleeves to build up the necessary friction for keeping the strings under tension.

Neck width at the saddle is 34 mm, which is the de facto standard for most modern soprano ukuleles, even though this is two to three millimetres narrower than on most vintage ukes. The MUS-2 has a scale length of 34.9 cm, which is three millimetres longer than on a Martin soprano.

The MUS-2 has a nicely rounded D neck profile.

The workmanship on the Flight is on a really high level. My only, tiny bit of criticism points to the matte finish which is something of a fingerprint magnet on the test sample.

The MUS-2’s string action is modern and low. I measured 2.4 mm at the 12th fret for the g-string and 2.1 mm for the a-string. The action and the nicely rounded neck make for a very comfortable playing feel. Despite the low action, the Flight offers a very good dynamic range without any string rattles.

The Flight MUS-2 has a surprisingly big and full-bodied voice that projects very well, both to the player and to his (or her) audience.


Ohana SK-38

Ohana is brand situated in the US, but with most of its production in China. Ohana is the Hawaiian word for ”family”.

Ohana’s 38 Series comprises of all-solid Style 2-copies in different body sizes, with the Ohana SK-38 (current price in Finland: 348 €) being the soprano model.

Cosmetically the SK-38 probably comes closest to the spirit of a vintage Martin Style 2, except for the slightly larger-than-vintage soundhole (about 2 mm more in diameter) and the position markers copied off a Style 1 instrument. Our test sample was a tiny bit heavier than the Flight ukulele, but still super-light compared to most string instruments.

In terms of colour and finishing the Ohana SK-38 is almost identical to the Flight, with the finish seeming even thinner here. Visually the SK-38 evokes the pre-1926 Martins that sported a brushed on cellulose-based finish. In 1926 Martin phased in spray finishes to speed up production.

The soundbox’ top sports three-ply plastic binding (b/w/b), while the back is single-ply. The vintage-type rosette is made up of alternating thin black and white rings.

The Ohana SK-38 sports a modern solid-mahogany neck with separate parts for the neck heel and the headstock’s top half. The Gotoh patent pegs are the same model found on the Flight, too.

The fretboard and bridge have been carved from ovangkol. The top nut and bridge saddle are both bovine bone.

Neck with at the nut is 34 mm on the SK-38, while the scale length is 34.9 cm.

I would call the Ohana SK-38’s neck profile a slightly flatted C-profile, which comes close in feel to modern Martin soprano uke necks. In terms of playing comfort there’s not much to divide the three reviewed sopranos.

The SK-38 displays a very high level of workmanship; I own an older version of this uke – one that sports a nut and bridge saddle carved from ebony – and I must say the build quality on the new version has clearly improved.

The very low string action on the test sample is a good indicator of the quality of the fretting. I measured 1.3 mm for the g-string and 1.4 mm for the a-string at the 12th fret. Despite this low action I experienced no problems whatsoever with fret rattle.

The Ohana SK-38 has a very balanced voice with a tiny bit less bottom end and a tad more sparkle, when compared to the Flight. The Ohana projects very well.


Sigma SUM-2S

Originally, Sigma Guitars was C. F. Martin’s far-eastern brand, founded to combat the ever-increasing flow of Japanese Martin-copies in 1970. In 2007 Martin sold the brand to German company AMI GmbH, who has done quite a lot to raise the brand’s profile. Apart from copies of Martin guitars Sigma’s model range now also includes several Gibson-style acoustic guitars. Sadly, Sigma’s ukulele range has been discontinued at the start of 2022, meaning that the current stock of Sigma ukes in shops now will be the last, at least for the foreseeable future.

The Sigma SUM-2S (current price in Finland: 315 €; incl. gig bag) looks a bit more refined than the other two instruments in this review, due to its flat matte finish. The finish is very thin, but has been buffed to a flat matte sheen.

The SUM-2S is in the same weight class as the Ohana SK-38.

Anoraks would say that the Sigma SUM-2S is more of a ”Style 2.5” soprano, because it comes with the longer fretboard – offering 17 instead of 12 frets – of a Style 3 (and Style 5) uke.

In some respects, though, the SUM-2S comes closer to vintage Martin specifications than the other two contenders in this review:

Arguably the most important point here is the one-piece mahogany neck, which is a genuine rarity in this price range. Other features include a 36 mm wide neck at the nut, a smaller soundhole, the vintage-correct size and spacing of the position markers, as well as the original (shorter) Martin-scale of 34.6 cm.

The fretboard and the bridge have been made out of Indian rosewood, while the top nut and bridge saddle are genuine bone.

The Sigma SUM-2S uses Chinese Ping friction pegs, which produces the require friction by pressing the plastic tuner knobs into fat plastic washers. These pegs have been in for some criticism in a number of reviews, but to be fair, I haven’t had any tuning problems with the Ping pegs over the whole duration of testing the Sigma uke.

The neck profile on the Sigma SUM-2S is fatter than on the Ohana, but flatter than on the Flight, combining the best aspects of the two necks.

Even though the difference in neck width at the nut is only two millimetres, the Sigma’s neck feels roomier. This can make a huge difference in feel for people with large (or thick) fingers!

The Sigma’s set-up is very comfortable. I’ve measured an action of 2.1 mm for the g-string and 1.8 mm for the a-string at the 12th fret. The fretwork is excellent, meaning I’ve experienced no string rattles.

Like the other two instruments in this review the Sigma, too, came with Aquila Nylgut strings. Due to the slightly shorter scale length the strings feel maybe a little bit too slinky. I’d recommend trying fluorocarbon strings on the SUM-2S, which generally tend to feel a bit stiffer.

At first I thought the Sigma was quieter than the other two ukes, when in fact it even offers more of a vintage-style ”bark” for the audience (or a microphone). The smaller soundhole simply makes this ukulele project slightly less in the direction of the player himself (or herself). In terms of its sound the Sigma SUM-2S is the brightest sounding of the three reviewed models.

Testipenkissä: Shadow JMS-52-E-NS


Shadow JMS-52 ei ole ehkä maailman raflaavin mallitunnus, mutta tämän nimen takana piilee todella kiinnostava soitin. JMS-52 on nimittäin kokonaan lämpökäsitellyistä puista tehty akustinen kitara piezomikrofonilla, vaikka sen hinta pysyy reilusti alle 500 euron.

Shadow on monille varmasti tuttu saksalaisena soitinmikrofonien ja etuvahvistimien valmistajana. Firman päällikkö, Joe Marinic, halusi kuitenkin ottaa seuraavan askeleen ja laajentaa toimintaansa akustisien kitaroiden valmistukseen. Hän perusti Kiinaan huippumodernin kitaratehtaan, jossa lähes kaikki työvaiheet on automatisoitu, myös mm. soittimien viimeistely ja kiillotus. Marinic pyysi Shadow-kitaroiden suunnittelijaksi mukaan vanhan Gibson Montana (ja Guild) -legendan Ren Fergusonin, jolla on vankka tietotaito sekä perinteisestä kitararakentamisesta että nykyaikaisista tuotantoprosesseista.

Tässä on Shadowin tuottama video kiinalaisen tehtaan toiminnasta:


Shadow JMS-52-E-NS (458 euroa) on soitin, jossa testaajan katse menee aluksi epäuskoisena ominaisuuksista hintalappuun ja takaisin. Miten Shadow pystyy tarjoamaan tällaisen soittimen näin edullisesti?

Kuten mainitsin jo alussa, Shadow JMS-52:n kaikkukoppa on tehty kokonaan lämpökäsitellyistä puista. Oikeaoppisesti tehty lämpökäsittely muuttaa puun rakennetta solutasolla niin, että se vastaa lähes täydellisesti vuosikymmeniä kuivattua puuta.

Tämän cutaway dreadnought -mallin kokopuinen kansi on kuusta.

JMS-52:n kokopuiset sivut ja pohja on veistetty mahongista, samoin kuin kitaran kaula.

Kitara on viimeistelty hyvin ohuella mattalakkauksella.

Otelauta tehdään ”blackwoodista”. Oletan että tässä on kyse malaisialaisesta puulajista (diospyros ebonasea), joka on eebenpuun ei-uhanalainen sukulainen.

Otelautaan on siististi asennettu 20 keskikokoista nauhaa. Shadowin satula on aitoa naudanluuta.

Virittiminä toimivat laadukkaat kopiot 1930-luvun Grovereista.

Myös JMS:n Martin-tyylinen talla on tehty blackwoodista. Kompensoitu tallaluu on aitoa luuta.

JMS-52-E:hen on asennettu helppokäyttöinen mikrofonijärjestelmä, jonka volume- ja tone-säätimet löytyvät kätevästi kaikuaukon yläreunan alta.

Mikkijärjestelmän paristolokero ja sen lähtöjakki on sijoitettu samaan yksilöön hihnatapin viereen.


Shadow JMS-52:n työnjälkeä voi kuivailla sanoilla erittäin siisti ja hyvin laadukas. Testiyksilö on mainio soitin – eikä vain ”hintaansa nähden” – vaan ylipäänsä. Soundi on inspiroiva ja soittotuntuma todella mukava.

Shadowin kaulaprofiilissa näkyy – tai paremmin tuntuu – selvästi Ren Fergusonin käsiala. Tässä ei ole kyse sellaisesta puolivillaisesta, matalasta profiilista, jolla on tarkoitus palvella myös oletettuja ”sähkökitaristien tarpeita”, vaan ihan oikeasta teräskielisen kitaran profiilista. Tätä profiilia kutsuisin pyöreäksi C:ksi, joka on Shadowin tapauksessa tarpeeksi tukeva pitkiä sessioita varten, mutta ei liian paksu toimivaksi yleisratkaisuksi.

En tiedä johtuuko asia kokonaan lämpökäsitellystä puusta vai johtuuko tämä myös hyvästä designista, mutta Shadow JMS-52 -malli soi heti kättelyssä hyvin ”aikuisella” äänellä. Monia uusia teräskielisiä täytyy ensin soittaa muutama viikko sisään, ennen kuin taipumus yli-innokkaaseen trebleen ja kireään dynamiikkatoistoon häviää. Tämä Shadow taas tuntuu jo valmiiksi sisäänsoitetulta.

Dreadnought-soundista ei varmasti tarvitse paljon puhua, kun me kaikki tiedämme miltä sellainen teräskielinen kuulostaa. Shadow JMS-52:lla on ainakin soundi ja soitettavuus kohdillaan, ja myös sen mikrofonijärjestelmä toimii niin kuin pitää:


Tämän testin perusteella sanoisin, että Shadow-kitaroilla on edessä loistava tulevaisuus.

Tässä tarjotaan laatua isolla L:llä uskomattoman edullisesti.


Shadow JMS-52-E-NS

458 €

Maahantuoja: Musiikki Silfverberg

Kiitos Vantaan Musiikille testikitaran lainaamisesta!


+ kokopuinen

+ lämpökäsiteltyjä puita

+ työnjälki

+ soitettavuus

+ soundiSave












Now on SoundCloud: Shadow JMS 52E-NS

Shadow JMS-52E-NS

• all solid cutaway dreadnought
• thermo-treated woods
• solid German spruce top
• solid African mahogany rims and back
• mahogany neck
• blackwood fretboard
• genuine bone nut and bridge saddle
• built-in Shadow pickup system with master volume and tone

Rhythm guitars recorded with an AKG C3000. Lead guitar recorded direct off the Shadow pickup and preamp.

Contact: Musiikki Silfverberg


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