Martin Custom Shop M Grand Auditorium, 36-Style, Sitka Spruce Bearclaw Top, Cocobolo Back & Sides
SKU: 50315161809

Martin Custom Shop M Grand Auditorium, 36-Style, Sitka Spruce Bearclaw Top, Cocobolo Back & Sides

Sale price$3124.80 Regular price$3472.00
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Description

Martin Custom Shop M Grand Auditorium, 36-Style, Sitka Spruce Bearclaw Top, Cocobolo Back & SidesAs one of a handful of Martin Custom Expert dealers, Russo Music is fortunate to be able to spec out our own acoustic guitars with the Martin Custom shop, like this M Grand Auditorium Acoustic Guitar, made with 36 Style appointments, a Sitka Spruce Bearclaw top and Cocobolo back and sides: all woods that were hand selected by Russo Music. This guitar is a masterpiece of design and construction, highlighting why C. F. Martin has been able to produce

As one of a handful of Martin Custom Expert dealers, Russo Music is fortunate to be able to spec out our own acoustic guitars with the Martin Custom shop, like this M Grand Auditorium Acoustic Guitar, made with 36-Style appointments, a Sitka Spruce Bearclaw top and Cocobolo back and sides: all woods that were hand-selected by Russo Music. This guitar is a masterpiece of design and construction, highlighting why C.F. Martin has been able to produce high quality instruments for as long as they have. 

Martin's monikers have developed and changed with their guitars over time, and this Grand Auditorium "M" features a body style based on their Size F archtop jazz guitars. This specific Grand Auditorium model, while custom, showcases specs inspired by the Martin M-36. It features a top made from Sitka spruce, with swished bearclaw wood figuring characterized by raised and rippled sections. The top beautifully contrasts a darker back and sides cut from cocobolo, with a gorgeous bookmatched back that showcases cocobolo's grain, and makes this guitar an absolute work of art. This wood pairing is less common for Martin, a result of a trip to the Martin factory by Russo Music employees who wanted to get adventurous and spec this guitar out themselves. Under its hood, this Martin Custom boasts Sitka spruce Golden Era forward shifted X-Bracing.

The neck of this M Model features a Modified Low Oval profile that fits pretty snug into the palm, providing enough depth for fingerstyle playing while remaining comfortable for strumming as well. The High-Performance taper on the neck gradually thins the it as it approaches the body. On top of the neck, the fingerboard is cut from premium black ebony, which hosts an extremely tight grain, and a naturally "oily" finish. This fingerboard is host to 20 Standard frets, and Style 38 Mother-of-Pearl inlays.

This Custom Shop M Grand Auditorium is topped with a natural gloss finish on its body, doing little to interrupt the beauty of the bearclaw pattern found in the Sitka spruce and gorgeous grain of the cocobolo. The neck, on the other hand, features a contrasting satin finish that provides a smooth and comfortable feel for fretting hand maneuvers.

This guitar comes with a custom molded hard case.

Most new Martin Guitars ship with the original endpin not installed, if you'd like us to install one for you before shipping, please let us know and we'd be happy to. 

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Shop All Russo Music New Arrivals

  • M Grand Auditorium Body
  • 36-Style Appointments 
  • Sitka Spruce Bearclaw Top, Cocobolo Back and Sides
  • Sitka Spruce Golden Era Forward Shifted X-Bracing
  • Modified Low Oval Neck Profile
  • Black Ebony Fingerboard with Style 38 Inlays
  • Natural Gloss Body Finish with Satin Neck Finish
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 50315161809

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nothing but the Brent
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This vacuum is… fine. It generally cleans well enough, but honestly, I kind of wish I had spent a few more dollars on a better model. It does a decent job picking up dirt, and it’s definitely quieter than my old robot vacuum, which was loud but surprisingly effective. That old one was very basic — the kind you’d find at big box stores — and it just kept going until it bumped into something. Simple, but it got the job done. By contrast, this one is supposed to be more advanced, with LIDAR and smarter navigation. But I’m not convinced the “upgrades” are actually improvements. It has this frustrating habit of turning right, hitting an obstacle, inching forward, then turning right again — over and over. What happened to the LIDAR? That feels less like smart mapping and more like stubborn programming. It also gets stuck more often than my old Shark robot vacuum. And when it does get stuck, it’s more problematic. Instead of gently bumping into low objects and stopping, it tries to climb them and ends up wedged or tangled. It has even knocked over heavier items, which my older, simpler vacuum never did. Another annoyance: if you try to help it by sweeping debris from corners into the center, it might kick crumbs away as it passes and may or may not actually circle back to clean them up. And there’s nothing more irritating than hearing “job complete” and then immediately stepping on kitty litter it somehow missed. Overall, it’s quieter and it cleans okay — but the smarter features don’t necessarily make it better. Sometimes simple and reliable beats “advanced” and unpredictable.
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Reviewed in the United States on February 28, 2026
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I researched and read many of the reviews on the M330 Pro. I can't see how anybody would give it less than 5 stars. I have owned 5 different robot vacs. One of which I just returned because of its poor third party app which was useless. The Lefant company knows robotics. While this is my first from them, I won't hesitate to buy from them again. It is quiet, quick, and the Lefant App which is THEIR own app and not some cheap third party, is the best. Easy to understand, and navigate. The design of the vacuum is very well thought out. The M330 Pro is a brand new model (go look at their website) and the technology has improved from even a year ago. The aid of both 2G and 5G networks is something you just don't find from anyone else. For the price, this is an absolute MUST BUY. And to make the vacuum even better, the customer service from Lefant is the best.
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Marilyn
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Great buy
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This is a great buy to replace filters etc on my robot
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