J. Brentrup Guitars

Traditional fingerstyle instruments Mandolin family instruments

6st

Glueing in the neck and end blocks.

Kerfing glued and clamped.

c-1

c-1

Sanding cylindrical radius into ribs for top.

2-10

2-10

Larson style X bracing and Carbon Fiber "Tone tubes".

1234

1234

Top glued on using radius boards.

b4-1

b4-1

End wedge of cocobolo. Notice the arching of the top and back.

b5-1

b5-1

Sanded and binding scraped.

b2-2

b2-2

Ready to rout dovetail.

12-4-1

12-4-1

Abalone trim and pyramid bridge

12-7-1

12-7-1

70 year old Brazillian rosewood

bk1

bk1

Laminated RW and spruce bracing

Hybrid 12 string bracing with Carbon Fiber "Tone tubes"

p1-2

p1-2

Adirondack top ladder braced

p1-3

p1-3

Oak parlor ready to button up

1-12

1-12

Quartersawn white oak back dyed

2-5

2-5

Instrument ready to finish

3-40

3-40

Jumbo close-up

4-35

4-35

Larson style bridge

6-24

6-24

Fingerboard inlay

4-17

4-17

Kerfng glued on

3-18

3-18

Braced Cocobolo Back

2-26

2-26

Ready to glue top on

2-46

2-46

Neck glued to body

Photos of completed instruments:

GRAND CONCERT 6

Engelmann spruce top

Top is Larson style X braced

Cocobolo back and sides

Ivoroid/Black/Ivoroid binding and heel cap

GRAND CONCERT 12

12full

12full

Engelmann top with brazilian rosewood back

125

125

Grand Concert 12 with Honduras mahogany back

PARLOR 12-1/2”

Adirondack red spruce/Brazilian RW parlor

Brazilian RW back

PRAIRIE STATE 18” JUMBO

1-67

1-67

7-15

5-25