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Bass Machine Heads

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If your bass guitar needs new machine heads, Bax Music is your go-to store. In this department, you'll find tuners for both acoustic and electric basses.

Bass Guitar Machine Heads

There are various reasons for swapping out one or more machine heads. Whether you're dealing with a worn-out set, a single broken tuner or you simply want to enhance the tuning stability of your bass, we've got what you need.

Black, Chrome or Gold Finish

So they can match the hardware of your bass, machine heads are available with various different finishes. In addition to traditional finishes like chrome and nickel, you can pick up black, gold or even black chrome bass tuners. Before you load any into your basket though, you'll want to make sure your new tuners actually fit, so always check to see if the shaft has the right dimensions, the mounting hole diameter matches and whether the mounting screws line up correctly. If everything checks out, installing a new set of machine heads is as easy as can be. Also, if you're looking for a specific set of tuners that you can't find listed here, then don't hesitate to fill out our Product Request form. We're happy to try and source them for you.

Fazley 10548 4-in-Line Bass Guitar Machine Heads (Chrome)
TEMPORARY 5% EXTRA DISCOUNT WITH CODE: EM262

Fazley 10548 4-in-Line Bass Guitar Machine Heads (Chrome)

TEMPORARY 5% EXTRA DISCOUNT WITH CODE: EM262

The Fazley 10548 pack bundles up a full set of 4-in-line-configured tuners that can be used to swap out or upgrade the machine heads of most electric bass guitars.

In stock
In stock
Order before 10:00pm = receive it on Thursday
Recommended price £35
£22
Fazley 10549 2x2 Bass Guitar Machine Heads (Chrome)
7,5% EXTRA OFF WITH CODE: EXTRA75

Fazley 10549 2x2 Bass Guitar Machine Heads (Chrome)

7,5% EXTRA OFF WITH CODE: EXTRA75

The Fazley 10549 pack bundles up a full set of four 2x2-configured tuners that can be used to swap out or upgrade the machine heads of most bass guitars.

In stock
In stock
Order before 10:00pm = receive it on Thursday
Fazley 10551 3x2 5-String Bass Guitar Machine Heads (Chrome)
7,5% EXTRA OFF WITH CODE: EXTRA75

Fazley 10551 3x2 5-String Bass Guitar Machine Heads (Chrome)

7,5% EXTRA OFF WITH CODE: EXTRA75

The Fazley 10551 pack bundles up a full set of five 3x2-configured tuners that can be used to swap out or upgrade the machine heads of most five-string bass guitars.

In stock
In stock
Order before 10:00pm = receive it on Thursday
Fazley 10552 2x2 Bass Guitar Machine Heads (Black)
7,5% EXTRA OFF WITH CODE: EXTRA75

Fazley 10552 2x2 Bass Guitar Machine Heads (Black)

7,5% EXTRA OFF WITH CODE: EXTRA75

The Fazley 10552 pack bundles up a full set of four 2x2-configured tuners that can be used to swap out or upgrade the machine heads of most bass guitars.

In stock
In stock
Order before 10:00pm = receive it on Thursday
Fazley 10550 4-in-Line Bass Guitar Machine Heads (Chrome)
7,5% EXTRA OFF WITH CODE: EXTRA75

Fazley 10550 4-in-Line Bass Guitar Machine Heads (Chrome)

7,5% EXTRA OFF WITH CODE: EXTRA75

The Fazley 10550 pack bundles up a full set of four 4-in-line-configured tuners that can be used to swap out or upgrade the machine heads of most bass guitars.

In stock
In stock
Order before 10:00pm = receive it on Thursday
Fazley 10553 4-in-Line Bass Guitar Machine Heads (Black)
7,5% EXTRA OFF WITH CODE: EXTRA75

Fazley 10553 4-in-Line Bass Guitar Machine Heads (Black)

7,5% EXTRA OFF WITH CODE: EXTRA75

The Fazley 10553 pack bundles up a full set of four 4-in-line-configured tuners that can be used to swap out or upgrade the machine heads of most bass guitars.

In stock
In stock
Order before 10:00pm = receive it on Thursday
Fazley 10554 4x3 7-String Bass Guitar Machine Heads (Black)
7,5% EXTRA OFF WITH CODE: EXTRA75

Fazley 10554 4x3 7-String Bass Guitar Machine Heads (Black)

7,5% EXTRA OFF WITH CODE: EXTRA75

The Fazley 10554 pack bundles up a full set of seven 4x3-configured tuners that can be used to swap out or upgrade the machine heads of most seven-string bass guitars.

In stock
In stock
Order before 10:00pm = receive it on Thursday
Badass OGT Mini Bass Keys 2x2 Bass Guitar Machine Heads (Chrome)
7,5% EXTRA OFF WITH CODE: EXTRA75

Badass OGT Mini Bass Keys 2x2 Bass Guitar Machine Heads (Chrome)

7,5% EXTRA OFF WITH CODE: EXTRA75

Set up for 2x2 headstocks, this full pack of four Badass OGT Mini Bass Keys each have a compact yet classic design and feature the ultra-accurate tuning of a 20:1 ratio.

In stock
In stock
Order before 10:00pm = receive it on Thursday (free)
Recommended price £74
£63

Grover 144N Mini Bass Machine Head, 2+2, Nickel bass guitar tuning machines

Compact mini tuning machines for bass guitar in a 2+2 configuration with a nickel finish. Suitable for modern E-basses.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £79
£70

Grover 144N4 Mini Bass Machine Head, 4-in-Line, Nickel Mini bass tuning machines

Lightweight, compact 4-in-line tuning machines for bass guitars, nickel finish, 20:1 translation.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £83
£64

Graph Tech PRB 4220 B0 Ratio Bass Machine Heads with Y-style knob - 4-string, 2 + 2 - Black

Tune your bass guitar with ultimate precision thanks to the Graph Tech PRB-4220-B0 Ratio machine heads. This set of 4 (2 left, 2 right) is suitable for 4-string basses and features a modern Y-button.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £105
£101

Grover 144C4 Mini Bass Machien Head, 4-in-Line, Chrome Mini bass tuning machines

Compact 4-in-line mini bass tuning machines from Grover, chrome finish for the bass side (left), with 20:1 translation.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £82
£66

Fender Pure Vintage ‘70s Bass Tuning Machines (Set of 4)

Need new tuners for your bass guitar? These Fender Pure Vintage '70s Bass Tuning Machines fit Fender American Vintage models from the 1970s.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £122
£78

Grover 145GL4 Titan Electric Bass Machine Heads,4-in-Line Tuning machines for Left-handed Bassists Lefthand,Gold

The Grover GR 145GL4 Titan Bass Machine Heads are specially designed for left-handed bass guitars with a 4-in-Line configuration and a gold finish.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £157
£138

Hipshot BT7 Bass Extender Nickel F-Style Made in Mexico Tuner

This is the Hipshot BT7 Bass Xtender: a replacement D-tuner machine head for the E-string of Mexican-made P-style and J-style electric bass guitars.

Fast delivery within approx. 4 business days
Fast delivery within approx. 4 business days
Recommended price £152
£140

Graph Tech PRB 5230 B0 Ratio Bass Machine Heads with Y-style knob - 5-string, 2 + 3 - Black

Graph Tech Ratio PRB-5230-B0 tuning machines with Y-Style knobs for 5-string bass guitar (2+3), black and precisely tuned per string.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home

Grover 142N Vintage Bass Machine Heads, 2 + 2 - Nickel Vintage tuning machines for bass guitar

Grover GR 142N vintage tuning machines for bass guitar, 2x2 configuration in a fancy nickel finish.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £75
£65

Graph Tech PRB 4220 C0 Ratio Bass Machine Heads with Y-style knob - 4-string, 2 + 2 - Chrome

Tuning machines set from Graph Tech for 4-string bass guitar (2L/2R), with unique Ratio transmission per string and Y-style knobs in a sleek chrome finish.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £111
£110

Graph Tech PRB 4220 G0 Ratio Bass Machine Heads with Y-style knob - 4-string, 2 + 2 - Gold

Gold Graph Tech Ratio tuning machines with Y-Style knobs, specially designed for 4-string bass guitars (2L + 2R) with unique gear ratios per string.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £126
£124

Graph Tech PRB 4400 B0 Ratio Bass Machine Heads with Y-style knob - 4-in-line, bass side (left) - Black

Graph Tech Ratio PRB-4400-B0 tuning machines offer ultimate control over string tension. This black set of 4-in-Line machine heads is perfect for 4-string bass guitars, left-mounted.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £111
£101

Graph Tech PRB 4400 C0 Ratio Bass Machine Heads with Y-pillar knob - 4-in-line, bass side (left) - Chrome

Precision tuning machines from Graph Tech with unique Ratio transmissions per string. Perfect control, stable tuning and a stylish chrome finish for 4-string bass guitars.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £111
£110

Graph Tech PRB 4400 G0 Ratio Bass Machine Heads with Y-style knob - 4-in-line, bass side (left) - Gold

These Graph Tech PRB-4400-G0 Ratio tuning machines offer precise tuning for 4-string basses, with unique gear ratios per string and a stylish gold finish.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £126
£124

Graph Tech PRB 4401 C0 Ratio Bass Machine Heads Open Back with classic trefoil button - 4-in-a-row - left - Chrome

Precision tuning machines from Graph Tech with open body, classic cloverleaf knob and Ratio transmissions, specially designed for 4-string bass guitars (left, 4-in-line).

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £180
£174

Graph Tech PRB 4401 G0 Ratio Bass Machine Heads Open Back with classic trefoil button - 4-in-a-row - left - Gold

These Graph Tech Ratio PRB-4401-G0 tuning machines for bass guitar offer precise tuning stability and comfort, finished in gold with classic clover leaf knobs.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £192
£186

Graph Tech PRB 5230 C0 Ratio Bass Machine Heads with Y-style knob - 5-string, 2 + 3 - Chrome

Graph Tech Ratio PRB-5230-C0 tuning machines for 5-string bass guitar with Y-knobs and chrome finish, for highly accurate and consistent tuning.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £144
£139

Graph Tech PRB 5320 B0 Ratio Bass Machine Heads with Y-style knob - 5-string, 3 + 2 - Black

Set of five Graph Tech Ratio bass machine heads with Y-knobs, specially tuned per string and perfect for 5-string basses in 3+2 configuration.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £144
£128

Graph Tech PRB 5320 C0 Ratio Bass Machine Heads with Y-style knob - 5-string, 3 + 2 - Chrome

Precision tuning machines for 5-string bass guitar, with Y-Style knobs, unique ratio per string and durable chrome finish.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £144
£135

Graph Tech PRB 5320 G0 Ratio Bass Machine Heads with Y-style knob - 5-string, 3 + 2 - Gold

These Graph Tech Ratio PRB-5320-G0 tuning machines in gold with Y-knobs are specially tuned for 5-string basses in a 3+2 configuration.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £150
£147

Graph Tech PRB 5411 C0 Ratio Bass Machine Heads Open Back with classic trefoil button - 4 + 1 - Chrome

These Graph Tech Ratio PRB-5411-C0 chrome tuning machines (4L + 1R) provide extremely precise and balanced tuning of each string on your bass guitar.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £222
£216

Graph Tech PRB 5411 G0 Ratio Bass Machine Heads Open Back with classic trefoil button - 4 + 1 - Gold

Set of five Graph Tech Ratio tuning machines for bass guitar with open construction, classic cloverleaf knobs and gold finish.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £236
£228

Graph Tech PRB 5500 B0 Ratio Bass Machine Heads with Y-style knob - 5-in-line, bass side (left) - Black

Ratio bass guitar tuning machines with Y-button for left-sided 5-string basses. Each string has a separate transmission for accurate tuning.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £144
£139

Graph Tech PRB 5500 C0 Ratio Bass Machine Heads with Y-pillar knob - 5-in-line, bass side (left) - Chrome

Graph Tech PRB-5500-C0 Ratio bass guitar tuning machines for 5-string bass, with Y-style knobs and chrome finish. Optimal tuning per string guaranteed.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £144
£139

Graph Tech PRB 5500 G0 Ratio Bass Machine Heads with Y-style knob - 5-in-line, bass side (left) - Gold

Graph Tech PRB-5500-G0 Ratio bass tuning machines for 5-string basses, left side, with Y-style knobs and gold finish.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home

Graph Tech PRB 6330 B0 Ratio Bass Machine Heads with Y-style knob - 6-string, 3 + 3 - Black

Improve the precision of your bass with these Graph Tech Ratio machine heads. Specially tuned ratios for each string ensure optimal tuning.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £158
£153

Graph Tech PRB 6330 C0 Ratio Bass Machine Heads with Y-style knob - 6-string, 3 + 3 - Chrome

Graph Tech Ratio bass tuning machines with Y-style knobs for precise, quick and smooth adjustment of each string. Perfect for 6-string basses.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £158
£153

Graph Tech PRB 6330 G0 Ratio Bass Machine Heads with Y-style knob - 6-string, 3 + 3 - Gold

Improve the tuning precision of your 6-string bass with these Graph Tech Ratio machine heads in stylish gold colour. Optimal tuning and smooth operation.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £171
£168

Grover 142C Vintage Bass Machines Heads, 2 + 2 - Chrome bass guitar tuning machines

Grover 142C Vintage Bass Machine Heads, 2x2, chrome finish, for bass guitars.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £78
£68

Grover 142C4 Vintage Bass Machine Heads, 4-in-Line, Chrome bass guitar tuning machines

Grover 142C4 vintage bass machine heads, 4-in-line for bass guitar, chrome.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £78
£68

Grover 142G Vintage Bass Machines, 2+2 Bass&Treble Side,Gold bass guitar tuning machines

Grover GR 142G Vintage Bass Machines for E-bass, 2 + 2 configuration, gold.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £127
£116

Grover 142G4 Vintage Bass Machine,4-in-Line, Bass Side (Left) bass guitar tuning machines

Grover GR 142G4 vintage bass machine heads in gold finish for left-hand side. High precision and durability.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £127
£116

Grover 142N Vintage Bass Machine Heads, 4-in-Line, Nickel Vintage tuning machines for bass guitar

The Grover GR 142N vintage bass tuning machines, 4-in-line configuration in nickel finish, for classic and precise tuning.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £75
£57

Grover 144BC Mini Bass Machine Heads, 2+2, Black Chrome Mini tuning machines for bass guitar.

Compact and lightweight mini tuning machines for bass guitar with black chrome finish.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £120
£105

Grover 144BC4 Mini Bass Machine Head, 4-in-Line, Black Chrome Mini Bass Tuning Machines

Compact mini bass tuning machines with black chrome finish and 20:1 translation, ideal for bass guitars.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £120
£105

Grover 144BCL4 Mini Bass Machine Head, 4-in-Line, Black Chrome Mini Bass Tuning Machines

Mini bass tuning machines from Grover, 4-in-line configuration, black chrome finish, suitable for left-handed bass guitars.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £120
£105

Grover 144C Mini Bass Machine Head, 2+2, Chrome Mini bass tuning machines

Small, lightweight 2 + 2 bass tuning machines from Grover with a chrome finish and a 20:1 translation.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £82
£75

Grover 144CL4 Mini Bass Machine Head, 4-in-Line, Chrome bass guitar tuning machines

Compact mini bass tuning machines for left-handed bass guitars with chrome finish.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £82
£76

Grover 144G Mini Bass Machine Head, 2+2, Gold bass guitar tuning machines

High-quality 2+2 mini bass tuning machines with a gold finish, ideal for bass guitars.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £128
£113

Grover 144G4 Mini Bass Machine Head, 4-in-Line, Gold Mini Bass Tuning Mechanism

Compact, lightweight mini tuning machines for bass guitars with a gold finish and 4-in-line configuration.

In stock at supplier
In stock at supplier
Order before 10pm = in about 3 working days at home
Recommended price £128
£104
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