Please note: Johann Brentrup passed away September 18, 2024. All instruments have been sold and no more will be built.

GRAND CONCERT 12


The Grand Concert 12 string was my standard 12 string, more like the modern instruments. It was the most popular of the 12’s because it sounded more like the usual fare. This one was originally strung with heavy strings like the Stellas, tuned to B, but I decided to string it with lights and ended up tuning it to D.

Size of the box is the same as the 6 string, lower bout 15-1/4", waist 8-3/4" and upper bout 10-1/2", scale is 25". Top is thicker red spruce, with my ladder bracing, and a Honduras mahogany back (with laminated bracing) and ribs. It has a solid, lovely, sweet sound and is very easy playing. The instrument is sold as used, nearly new and nearly flawless.

SOLD






BBQ BOB STELLA 12


The BBQ Bob type Stella 12

The BBQ Bob type Stella 12 is the smaller of the two 12 strings, the "Leadbelly" 12 being the Grand Concert of the Stella’s. I decided to use red spruce and white oak instead of mahogany. White oak is a very good wood for 12 strings as it does not have a lot of complexity, something you generally don’t want in a 12.

I used my typical 3 transverse Stella bracing on the top and a laminated 4 brace back. I also decided to use a BRW bridge patch on the top instead of my usual spruce patch. The instrument has all the "high" trimmings of the typical high end Stella 12 of the 30’s-40’s.

Specs are 26" scale, box is 18" long and 13-1/2" at the lower bout. Instrument is tuned to "A" with heavy .070-.015" strings. While the sound is not quite as voluminous sounding as the Leadbelly Stella, it has the sought after blues "cut" and is quite loud for a Concert size 12. As with the Leadbelly Stella, a set of medium strings might work tuned to B or C. Stunning tonal qualities and easy playing.

Sold as used, nearly flawless condition.

SOLD

Brentrup Guitars and Mandolins

MINI-JUMBO-12


Mini-Jumbo-12

The Mini-Jumbo-12 is my 12 string version of the old Prairie State Jumbo instrument. I had decided to build a short scale version with 23" scale. By adjusting the box size to a 17" length and 16” width lower bout, a 14 fret neck worked out perfectly.

The instrument is excellent sounding with a red spruce top and white oak back and is about 10 years old. It is by far, one of the easiest instruments I have ever played, with a big sound for such a compact guitar. It features a special set of tuners built from Grover Stay-Tites and mandolin plates to enable a smaller peg head and also turn the 12 string set into 18/1 gearing. Strings are my usual .070-.014" tuned to B or B-flat but I am sure it could be strung with lights and tuned to D, maybe even E.

I also decided to build it with my laminated combination X and ladder bracing on the top, laminated back bracing and tone tubes. It features Larson top and back center purfling and ivoroid binding.

SOLD


Mini-Jumbo-12 Brentrup Guitars and Mandolins

STELLA 12


Brentrup Guitars and Mandolins

There is probably no more famous 12 string than Leadbelly’s Stella. It is a large instrument with an auditorium filling sound capability. The instrument features a red spruce top and ribbon Sapele back and sides. Scale is 26.22" and mine were usually tuned to B with .070" to .014" strings. I have never tried, but the instrument would probably work very well with medium 12 string sets tuned to C or maybe D. Twelve strings are always an experiment in tuning vs string tension. It’s a balance, but you can usually tell when a set is too loose or tight for a particular tuning. Sometimes you can change out just a few strings and everything works out well.

Lower bout is 15.75", waist is 9.75" and upper bout is 12" with a depth of 4.75" at the strap button. The instrument features authentic Stella purfling with triple bound ivoroid binding on the back and sides and a lacquer finish.

This is a lovely, easy playing instrument with a deep pleasing sound. Comes with a Cedar Creek custom plush case.

Instrument sold as used, nearly flawless.

SOLD

Brentrup Guitars and Mandolins
Brentrup Guitars and Mandolins



Brentrup Guitars and Mandolins