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  • Sigma Standard Series JR12-40E Jumbo 12 String Electro Acoustic Guitar
Sigma Standard Series JR12-40E Jumbo 12 String Electro Acoustic Guitar - Image 1


Sigma Standard Series JR12-40E Jumbo 12 String Electro Acoustic Guitar

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£599.00

This is the Sigma Standard Series JR12-40E Jumbo 12 String Electro Acoustic Guitar from Sigma, listed in Guitar on guitars pedals amps and stuff.. Read More below.

Description

An iconic construction with incredible projection, the Sigma JR12-40E Jumbo 12 String Electro Acoustic Guitar is constructed using Indian Rosewood, complemented with a solid Sitka Spruce top to give you an uncompromising tone and quality of sound. The Jumbo-sized body shape is a classic style that has been adopted by many of the most influential acoustic players and produces a full-bodied, powerful tone that’s rich in sustain with an articulate attack. The tonewoods that make up this instrument provide warm, beefy undertones, with crisp and clean mids and highs, perfect for the bright and jangly tone of the 12-string.

Join the Sigma family

Sigma Guitars was launched in 1970 and has since established an excellent reputation amongst musicians. They produce outstanding quality guitars with solid construction and amazing sound quality. Sigma pay their undivided attention to every step of the construction process with specially trained staff in the most efficient guitar factories in China.

Key Features

  • Solid Top – The 12-string Sigma’s solid top perfectly captures its beautiful sonic dynamics and crisp articulation
  • Fishman Sonitone – Its Fishman Sonitone under saddle pickups provide natural and dynamic electro-acoustic tones
  • Soft Shell Case – Protect your JR12-40E in style with the included soft shell case

Specifications

  • Body Size: J-14 Fret
  • Top: Solid Sitka Spruce
  • Back & Sides: Indian Rosewood
  • Neck: Mahogany, Low Profile
  • Nut & Saddle: Bone
  • Fingerboard & Bridge: Indian Rosewood
  • Scale Length: 25,4” (645 mm)
  • Neck width at nut: 1-7/8” (47,63 mm)
  • Truss Rod: Two-way Truss Rod
  • Tuning Machines: Gold Grover Mini
  • Finish: Polished Gloss
  • Electronics: Fishman Sonitone
  • Strings: D’Addario EXP38
  • Softshell Case: SSC-D

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About the manufacturer

Sigma

Sigma Guitars was originally launched in 1970 by C.F. Martin & Co. as their dedicated brand for high-quality, affordable acoustic guitars. Built with Martin-inspired designs and solid craftsmanship, Sigma instruments deliver warm, balanced tone and reliable performance at a more accessible price point. Today, the brand continues to produce a wide range of acoustic and electro-acoustic guitars that are ideal for beginners, intermediate players, and gigging musicians. Known for their value and classic styling, Sigma guitars are a popular choice across the UK for players seeking great sound without the high-end price tag.

More info about this Product

Acoustic Guitars

Acoustic guitars produce their sound naturally through the vibration of the strings and body, offering a direct and expressive playing experience. They come in a wide range of styles, including steel string and classical designs, each with its own feel and tonal character. Body shape, wood choice, and construction all influence warmth, projection, and balance, making acoustics suitable for everything from gentle fingerstyle to confident strumming. Whether used for songwriting, practice, or performance, acoustic guitars provide a simple, honest connection between the player and the music.

Electro-Acoustic Guitars

Electro-acoustic guitars combine the natural sound and feel of an acoustic guitar with built-in electronics for amplification. Fitted with pickups and preamp controls, they allow you to plug directly into an amp, PA system, or recording setup while retaining an acoustic character. They’re ideal for live performance, rehearsal, and home recording, offering volume control and tonal adjustment without relying solely on microphones. Electro-acoustic guitars suit players who want the warmth and responsiveness of an acoustic instrument with the flexibility to play amplified when needed.

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12-String

12-string guitars use six pairs of strings, with each pair tuned either in unison or an octave apart, creating a fuller and more harmonically rich sound than a standard six-string. This paired-string design produces a natural chorusing effect, giving the instrument a wide, shimmering character.

They are commonly used for rhythm playing, strummed parts, and open chords, where their bright, layered sound adds depth and presence. 12-string guitars are popular in folk, rock, and acoustic music, and are especially valued for creating expansive textures rather than detailed lead playing.

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