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Personalised multi-point setup included

Before dispatch, your instrument will be treated to a full setup. That's not a quick tweak, but a full multi-point setup by an experienced guitar technician who will check and adjust every single thing on your guitar, bass, ukulele or banjo to ensure it is performing at its absolute best.

This is not a quick process but we believe every instrument should go through our process to acheive an exacting standard of playability.

Frets

We start with the frets on your instrument. All guitar necks move and change over time so we will make sure that your frets are nice and flat as we go up the neck. We don't want any high or low spots as this will mean your guitar will need a higher than optimum action and potentially suffer with fret buzz.

We check and properly profile the playing surface of the frets and then make sure the fret ends are finished off properly. The fret is then polished to ensure smooth string bending.

Truss Rod

Then it's on to the truss rod. This metal rod differs from guitar to guitar (some guitars such as classical guitars don't usually have a truss rod!) and basically controls the "relief" or curve of the neck. Not enough relief and your strings won't have enough clearance over the other frets when playing. Too much relief and you'll have a high action which gets worse as you go up the neck.

The heavier the strings then the more the truss rod needs to work. Proper adjustment in the workshop means that the action will be just right for the strings fitted to your guitar.

Top Nut

The top nut is super important and is one of the two open contact points of your guitar. The technician will check and cut each slot to make sure the strings both run freely but are not sitting in a slot that's too big.

The top nut also plays a big part in the action of your guitar so we'll hit that sweet spot between too low and too high.

Saddle(s)

Another really important part of your guitar!

On an acoustic, the saddle is cut to the correct height making sure the bottom is 100% flat and straight. This means the string can transfer its vibration properly into the body of your guitar.

For electric guitars, the saddles are adjusted to ensure your intonation is perfect. We will also match the saddles to the radius of your fretboard.

Bridge / Tremolo

The bridge affects the break angle and string height of your guitar and is also responsible for holding your saddles.

For a guitar with a Floyd Rose tremolo system or similar, the spring tension has to be just right to allow the tremolo to return to its "zero point" and keep everything in tune.

For guitars with standard tremolos, we can set it to float and be used both up or down like a true tremolo or we can lock the trem block back so the tremolo will only go downwards.... the choice is yours!

Intonation

Intonation is the measure of how in-tune the guitar string is across the length of the fretboard and a guitar with badly set intonation will get more and more out of tune as the string is shortened when you play.

Tiny adjustments are made to each string where applicable to adjust its length and ensure that the intonation is set just right.

Overall Action

Once all the above has been completed, the guitar is checked for playability and fine adjustments are made. This step brings everything together and means your guitar will be set up optimally.

Machine Heads

Every machine head is operated and checked for function. We need to ensure that the machine heads operate smoothly.

Electrics

All the functions of your guitar are checked to ensure everything is working as intended.

For acoustic guitars we will check the functions of the EQ system and controls as well as check the internal cabling and jack socket.

For electric guitars, all the pickups are checked for function and tonal response. All controls and switches are operated to ensure they are functioning properly. The jack socket is checked.

Other Parts

All other parts such as strap pins, bushings, tuning buttons etc are fully checked.

Dispatch

All our instruments get the same premium treatment whether you purchase online or instore.

If you have purchased online, your guitar will be carefully packed ready for dispatch. You will receive a tracking link via email.

Happy playing :)

Jet JJB300 4-String Bass Guitar
Jet
Jet JJB300 4-String Bass Guitar
Jet JJB300 4-String Bass Guitar
Jet JJB300 4-String Bass Guitar

Jet JJB300 4-String Bass Guitar

Deeply resonant, classic low-end groove and impeccable tuning stability

SKU: JETJJB300BK
£369.00
Loyalty Club Points Earn 369 Loyalty Club Points
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Multi-Point Setup Included
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Description Reviews (1) Questions
Description

Achieve a deeply resonant, classic low-end groove and impeccable tuning stability with the JET Guitars JJB-300 Electric Bass Guitar. 

Purpose-built for advancing players and gigging musicians looking for a premium entryway into iconic bass style, this traditional four-string instrument pairs a timeless offset layout with modern high-performance elements. By upgrading standard entry-level bass templates with highly stable roasted tonewoods and articulate, hum-free passive electronics, it serves as an excellent performance tool that handles heavy rock pick attacks or smooth fingerstyle jazz lines with absolute structural consistency.

This four-string bass is well suited to rhythm players, blues-rock tracking artists, and home hobbyists who love a broad tonal palette and comfortable ergonomics. Because the contoured body shapes and smooth satin neck treatment work together to eliminate physical playing resistance, it acts as a highly dependable stage companion and an inviting everyday practice partner, allowing you to sustain an absolute locked-in groove through hours of heavy tracking or live venue sets.

Articulate Passive J-Style Pickup Pairing

The defining sonic character of the JJB-300 relies on its matched set of passive J-style single-coil pickups, arranged in a traditional two-pickup configuration. Renowned across the industry for their clear, biting definition and hollow growl, these pickups deliver a beautifully balanced voice that cuts cleanly through a dense full-band mix. The bridge pickup serves up a punchy, mid-range bite that highlights rapid fingerstyle lines and fills, while the neck pickup provides a fat, round, and pillowy sub-bass warmth. Controlled via a straightforward, independent layout consisting of two dedicated volume knobs and a master tone control, this configuration lets you blend the exact ratio of both coils to dial in everything from vintage Motown thump to crisp modern slap tones.

Resilient Roasted Maple Neck and Fast Playability

To deliver a fast and exceptionally comfortable playability profile, the bass features a Canadian roasted maple neck sculpted into a modern C profile. The specialised thermal roasting process bakes away deep-seated moisture from inside the timber grain, drastically improving structural resistance against humidity-induced twisting, bowing, or warping. The neck is treated with a slick satin finish that eliminates sticky hand friction during fast position shifts, paired smoothly with a matching roasted maple fingerboard. Flaunting an accessible 9.5" (24.1 cm) radius and 24 frets marked with classic dot position markings, this fingerboard template hits an ideal middle ground for fluid, upper-fret tracking and comfortable low-register groove lines.

Stable Roasted Poplar Contour Body and Solid Hardware

The physical core of the instrument is carved into an ergonomic offset silhouette using lightweight roasted poplar. Poplar provides an evenly balanced, neutral tonal foundation that allows the natural character of the J-style pickups to shine, while its optimised weight properties help protect against shoulder fatigue during long standing sets. Bolted securely to the body, the structural framework is rounded out by a traditional fixed bass bridge that locks down string energy directly into the body wood to maximise natural acoustic sustain. The tuning stability is reinforced by a double-action truss rod and a premium bone nut measuring 38 mm in width, feeding directly into open-gear chrome machine heads for dependable performance across frequent rehearsals.

JET Guitars JJB-300 Electric Bass Guitar Specifications

  • Pickup Configuration - two J-style single-coil pickups.
  • Body Material - roasted poplar.
  • Body Finish Type - high gloss.
  • Neck Material - Canadian roasted maple.
  • Neck Profile - Modern C.
  • Neck Finish - satin finish.
  • Fingerboard Material - roasted maple.
  • Fingerboard Radius - 9.5" (24.1 cm).
  • Fret Count - 24 frets.
  • Position Markings - dots.
  • Bridge Type - traditional fixed bass bridge.
  • Controls Layout - 2x volume, 1x tone controls.
  • Nut Material - bone nut.
  • Nut Width - 38 mm.
  • Scale Length - 34" (86.4 cm).
  • Truss Rod - double action.
  • Tuning Machines - open-gear chrome tuners.
  • Hardware Finish - chrome.
  • Number of Strings - 4-string.

The JET Guitars JJB-300 Electric Bass Guitar installs a highly practical, reliable foundation into your rhythm section. Combining a warp-resistant roasted maple neck layout and expressive J-style single-coil articulation with an ergonomic offset body shape, this versatile four-string workhorse ensures your low-end performance retains absolute note definition and a vibrant vintage presence.

Reviews (1)

wow , what a joy to play well made and very happy with my purchase

Jamie Berrecloth

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