The C. F. Martin Orchestra Model Guitar
The 1930 Martin OM-28 and OM-45 DeLuxe
Until 1929, Martin guitars had necks with 12 frets clear of the
Martin's first attempt to build a guitar with 14 frets
clear of the body, to provide greater access to the upper frets, was
achieved by attaching the neck of the Martin tenor guitar at the 14th
fret, and moving the bridge upwards to compensate. This
bridge placement, however, proved less than ideal.
By late 1929, the Carl Fischer stores suggested an alternative, special
ordering a tenor guitar called the Carl Fischer Model, with a shortened
upper bout with14 frets clear.
Soon after, Perry Bechtel of the Cable Piano Company, upon
visiting the Martin factory and seeing the Carl Fisher Model, requested
a fourteen fret clear six string guitar, and the Orchestra Model was
The OM-28 was soon followed by the OM-18 and the OM-18P Plectrum
Guitar appeared in 1930. The plectrum seemed a natural, since the OM
was specifically made to suit banjo players, who were used to a long neck,
and who were moving to the guitar to match changing tastes. In 1931
Martin added a handful of plectrum guitars in the C-1 and C-2 round hole
archtop styles. By the end of 1931, Martin had built it's last
By 1930, the Carl Fisher Model had become the standard 0-18T. By
1934, what was formerly known as the OM-18 and OM-28 had become the
standard Martin 000-18 and 000-28.
The 12 Fret 1929 000-28 and early 1930 OM-28
This 12 fret 000-28 was built in the spring of 1929, and stamped on the
first of May, just eleven weeks before Martin stamped their first 14 fret
neck clear body for the Carl Fisher tenors on July 16.
The following photograph illustrates the evolving body shape of the early
14 fret tenor guitars. Note the smaller and rounder upper bout of
the Carl Fisher Model.
1928 Martin 2-18TL, 1930 Martin Carl Fisher Model,
and 1930 Martin 0-18T
This OM-28 shows transitional features that are seen on the earliest OM's:
banjo style tuners, a pyramid style bridge, a small teardrop shaped
pickguard, and a rare 1 13/16" wide neck that was requested by Perry
Bechtel for his personal guitar, and has been seen on only a couple of
While not as pronounced as the Carl Fisher, the early OM from 1929 and
1930 presents a slightly rounder upper bout than later OM and 000 Martins
which intersect with the neck at a perpendicular with a more square nearly
90 degree angle.
Early 14 fret clear body OM-28, OM-18P, stamped October 24, 1930,
C.F. Martin 1930 000-28 Orchestra Model
Beautiful original condition early OM from the second batch of five -
made in January of 1930.
One of the handful of original OMs built with a pyramid bridge, teardrop
pickguard, and banjo style tuners.
While the 000-28 12 fret had a 1 7/8" wide neck, the new OM model had a 1
3/4" neck. The original example built for Perry Bechtel, and
possibly one or two of the others of the roughly dozen or so built in
1929, had a 1 13/16" wide neck.
This is the only 1930 example I know of to have the 1 13/16" wide
An historically important transitional guitar combining old world
craftsmanship with the sound and playability of a modern 14 fret long
scale guitar. Recently brought to absolute optimum playing
condition by OM specialist T.J. Thompson. TJ installed new
reproduction tuners, for which he aged the buttons, to save old tuners.
The vintage tuners in fine shape are preserved in the case. TJ
proclaimed this to be about the nicest OM of the many he's seen.
Serial number 40932
Stamped January 11, 1930
This guitar, built in January, 1930, was listed as a 000-28/OM Orchestra
This case is somewhat of a mystery. I originally thought it might
have been ordered for a long and narrow necked plectrum guitar, but the
neck on this case is a good 4" too long for even a plectrum OM. It
was most likely the result of a miscommunication or miscalculation in
ordering a case for a strange and newfangled guitar before
ordering for a 14 fret clear body had become routine
The first couple of individual examples of 1929 were listed in the records
as 000-28 Perry Bechtel
followed by a small batch listed as 000-28S
Perry Bechtel Model
(likely the first and last instance where the "S", then used to
indicate "Special", as in "Special Order", but later used to indicate a
"Standard" 12 fret vs. a 14 fret,
signified that this was a 14, not a 12 fret!)
a batch listed as 000-28P Perry Bechtel
(the first 14 fret Plectrum)
and then 000-28 O.M. Perry Bechtel Model
Then mine, the first of 1930, is listed as 000-28
O.M. Orchestra Model
followed by the first non-tenor 14 fret 18's, logged as 000-18
and 000-28 O.M. O Model
and finally quite a few batches listed alternately as 000-28
or 000-18 O.M.
or O Model 000-18
It wasn't until March, when the first two OM-45 were built that Martin
dropped the "000" from the name and called them OM/45
and then OM/28
But even after this, Martin made a batch of Plectrum
Guitars, 000-18 O.M. Plectrum
As you can see, the name was a moving target, evolving with every batch.
We used to think there was something special about the 1929 "Prototypes",
but the OM was constantly evolving through it's first year or so, and
there is really nothing more distinctive about the 1929 examples than
early 1930 ones, for example.
These were a 000 size guitar, and "Orchestra Model" was the designation
for the new 14 fret body shape. In fact, the first D-28's with 14 fret
necks were listed in the catalog as "D-28 Orchestra Models". So they were
recognized as being different from the beginning, the only significant
change being a shortening of the name from "000-28 Perry Bechtel" to
"000-28 O.M." to "OM-28".
C.F. Martin 1930 OM-18
Serial number 43985
Stamped September 13, 1930
Shortly after introducing the rosewood back and sides OM-28, Martin built
the first two examples of the OM-18, a version of the Orchestra Model with
mahogany back and sides.
This original condition early OM-18 is from the first batch of ten -
made in September of 1930, following the first two examples built in
January, and three built in April, and followed by a number of batches of
The OM-18, like all "Orchestra Model" Martins, were built with a 14 fret
neck with the longer 25.4 inch scale which was borrowed from the 12 fret
000, and which was later adopted by the Dreadnaught. With the
beginning of 1934, the OM-18 was re-named as the 000-18, while still
retaining the long scale, before the short 24.9 inch scale 14 fret neck
was adopted as standard by the 000-18 later in the year.
One of the early original OMs with a teardrop pickguard and Grover banjo
3lb. 1.2 oz.
The earliest OM-18 guitars are extremely light weight, with thin backs and
sides, which makes it rare to find an example without multiple cracks in
Martin appears to have been mindful of matching the pickguard to the
guitar, as the early mahogany OM sports a rather solid dark blood red
pickguard, while the contemporaneous rosewood OM-28 sports a brownish
pickguard with large swirls.
C.F. Martin 1933 0M-18
Serial number 54864
Stamped December 4, 1930
3lb. 4.2 oz.
This later example, from the final batch of OM-18's, stamped in December
of 1933, has a full size pickguard and regular clipped-end Grover tuners,
the first design to follow the banjo style tuners.
The later OM-18 is one of the first Martins to have the gold Martin logo
on the front of the headstock. These early logos are gold leaf and
without the black border found on the later gold decals.
These transitional guitars have both the gold logo on the front of the
headstock as well as retaining the stamped Martin logo on the rear.
1930 Martin OM-45 DeLuxe
Serial # 44070
Stamped September 25, 1930
Priced at $225 at it's introduction in 1930, the OM-45 DeLuxe was
Martin's most expensive production guitar, a step above the Style 45,
with inlaid pickguard and bridge, and engraved gold tuners with pearl
buttons. Martin carefully selected finer woods and other materials
for their highest quality guitars. The quality of materials, with
perfectly consistent matching pieces of pearl throughout, is higher on
this guitar than on any other Style 42 or 45 I have seen, from the 19th or
The first example, purchased used by Roy Rogers for $30 during the
Depression, had a somewhat different design on the pickguard.
The DeLuxe was discontinued within a year, after a handful of individual
examples and three batches of three, due to Martin's inability to source
the distinctive DeLuxe parts.
This example is one of five known to exist today.
The OM-45, with it's solid headstock, initiated a slightly
simpler torch design than was seen on previous Style 45 Martin
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