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Guitar Preamps

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Guitar preamp functions

  • 90 boost / gain / level
  • 96 tone control
  • 56 DI
  • 59 cabinet simulator
  • 51 ground lift
  • 16 phase switch
  • 34 fx loop
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  • 33 no
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  • 26 12 V
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  • 4 centre positive
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If you want to gain more control over the sound of your guitar amplifier, or want to imitate a specific tonal character that your amp just can't create, then an external preamp can be a great addition to your rig.

Guitar Preamps

Most modern guitar amplifiers have both a preamp and a power amp built in. The power amp is the final stage, and prepares the amplified signal before it can be sent to the built in speaker of a combo amplifier, or an external guitar speaker cabinet. The preamp is the first stage, so it's responsible for the core sound or tonal character of your amplifier. Both stages are essential, but when you take two amplifiers that have the same power amp section but a different preamp section, the difference in sound can be massive. Most of the time, the preamp and power amp sections are integrated into the same design, but you can also pick up external preamps and power amps. You can even get preamp pedals that are able to alter the sound of your amp, and some models are even specially designed to mimic the character of an iconic guitar amplifier.

Guitar DI Boxes

Some preamps also feature a built-in DI box so they can be directly hooked up to a mixer or sound system but with all the benefits of the meaty sound of an amplifier. Some preamp-plus-DI models also add a speaker cabinet simulation to the output, so you're assured of proper, authentic guitar sound despite the stripped-back setup. In any case, a DI box can be a useful tool for gigging guitarists, since it prepares your output signal for the mixer by converting it from an unbalanced high-impedance signal into a balanced, low-impedance signal. Basically, it removes the need to set a microphone up in front of the amp. See our full range of DI boxes.

Guitars with Built-In Preamps

There are also guitars that come with a preamp built-in. Commonly, these are electro-acoustic guitars and will often have a preamp control panel fitted on the side, usually with a set of pots for adjusting the treble, mids and bass. You'll find this kind of preamp in our Guitar Parts department.

Frequently Asked Questions About Guitar Preamps

Is a guitar preamp an effect pedal?

A lot of external preamps come in a pedal housing to make it easier for guitarists to radically switch up the sound of their amplifier quickly and easily. Of course, you can also get external rack preamps which can be less convenient, depending on your setup.

Do I need a guitar preamp?

To get any sound out of your speaker cabinet, you'll always need a preamp, and luckily, one will come built into most guitar amplifiers already. But if you want to be able to dramatically change up the sound of your amp and gain deeper control over it, then you might think about getting an external preamp.

-36%

Universal Audio UAFX Lion '68 Super Lead Amp

The Marshall Plexi is widely considered as the ultimate rock amp and, to capture all of its magic, Universal Audio have crammed no less than three incarnations into the UAFX Lion '68 Super Lead Amp stompbox.

In stock
In stock
Order now = receive it on Wednesday (free)
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Recommended price £518
£285
-30%

IK Multimedia ToneX Pedal Anniversary Limited Edition

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£24.50)
Recommended price £495
£299

Mooer Micro DI Box and Preamp

Upping the function while keeping the price and size down, the Mooer Micro DI box is set up with balanced and unbalanced outputs, a ground lift switch, gain control and even a cabinet simulator.

In stock
In stock
Order now = receive it on Wednesday
Or order now = receive it on Tuesday (£22.50)
Recommended price £82
£51

Friedman IR-D Dual Tube Preamp & DI Guitar Preamp with 12AX7 Valves

The Friedman IR-D dual-channel tube preamp instantly adds that legendary British amp sound to any compact rig and comes loaded with two boostable channels and Dave Friedman's favourite studio-grade IRs.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£22.50)
Recommended price £723
£403
-14%

Universal Audio UAFX ANTI 1992 High Gain Amp

A potent addition to the pedalboard of any metal guitarist, the Universal Audio UAFX ANTI 1992 High Gain Amp has been built to mimic the brutal 120 Watt output of a nineties classic.

In stock
In stock
Order now = receive it on Wednesday (free)
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Recommended price £435
£287

Mooer Micro Preamp 005 overdrive effects pedal

The Mooer Micro Preamp 005 overdrive is an affordable, simple way to upgrade your guitar sound. It's a compact effects pedal based on an amplifier made famous in the eighties by a legendary Dutch guitarist.

In stock
In stock
Order now = receive it on Wednesday
Or order now = receive it on Tuesday (£22.50)
Recommended price £105
£77

Fazley CAB-01 Cab Sim Carrie Cabinet Simulator Effect Pedal

The Fazley CAB-01 Cab Sim Carrie pedal piles no-less-than eleven guitar cabinet simulations up inside a near-indestructible teeny-tiny box - and does it all for an insanely reasonable price.

In stock
In stock
Order now = receive it on Wednesday
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Recommended price £48
£23.10

NUX NAP-5 Stageman Floor Acoustic Preamp + DI

The NUX Stageman Floor preamp sets you up with the sound of NUX's Stageman acoustic amp in pedal form and piles on a DI, various effects including chorus and reverb. and even a looper.

In stock
In stock
Order now = receive it on Wednesday
Or order now = receive it on Tuesday (£22.50)
Recommended price £178
£111

Mooer Model X2 Dual-Channel Digital Preamp Effects Pedal

In stock
In stock
Order now = receive it on Wednesday
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Recommended price £179
£86
-27%

Two Notes ReVolt Guitar Amplifier Sim Pedal

A powerful simulator packed with the sound of no-less-than three iconic amplifiers, all neatly folded away in a space-saving three-button stompbox and supported by a real 12AX7 valve: this is the Two Notes ReVolt Guitar Amp Sim.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£24.50)
Recommended price £315
£208

IK Multimedia ToneX Pedal

In the form of the ToneX Pedal, IK Multimedia present a revolutionary bit of high-tech kit. This modelling machine offers seamless integration with the popular ToneX software and can be set up on stage for the option to call up amp models on the fly.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£22.50)
Recommended price £511
£299

Zoom AC-3 Acoustic Creator DI / Effects for Acoustic Guitar

The Zoom AC-3 Acoustic Creator is a comprehensive direct box that allows you to take your acoustic guitar's sound to the next level. It's equipped with a tuner, a compressor, an anti-feedback/boost control and a stereo out.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£24.50)
Recommended price £316
£249

Palmer Pocket Amp MK 2 preamp and DI box for electric guitar

Palmer's Pocket Amp MK 2 is more than just a preamp and DI box for electric guitarists. It can also be used as an overdrive/distortion pedal or a practice amplifier! Various controls allows you to shape your sound.

In stock
In stock
Order now = receive it on Wednesday
Or order now = receive it on Tuesday (£22.50)
Recommended price £130
£77

JHS Pedals Colour Box V2 Preamp / EQ / DI-Box

The JHS Pedals Colour Box V2 Preamp / EQ / DI-Box may well be rightfully called an improved version of the original pedal. This studio console shaped like a stompbox is compatible with virtually all instruments and microphones.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£22.50)
Recommended price £587
£417

JHS Pedals Colour Box V2 10 Year Anniversary Edition Preamp/EQ/DI-Box

The JHS Pedals Colour Box V2 Preamp / EQ / DI-Box may well be rightfully called an improved version of the original pedal. This studio console shaped like a stompbox is compatible with virtually all instruments and microphones.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£22.50)
Recommended price £495
£449

Tsakalis AudioWorks Molecular Boost Booster Preamp Buffer Volume Pedal

With the Tsakalis AudioWorks Molecular Boost on your board, you're getting a masterclass of a pedal. Slimline yet powerful, this stompbox houses a booster, preamp, buffer and volume control in one.

In stock
In stock
Order now = receive it on Wednesday
Or order now = receive it on Tuesday (£22.50)
Recommended price £152
£127

Friedman IR-X Dual Tube Preamp & DI Guitar Pedal with 12AX7 Valves

The Friedman IR-X preamp pedal supplies two independent channels. Essentially, this is a complete Friedman rig packed away in a neat pedalboard-friendly box.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£22.50)
Recommended price £723
£401

Radial JDX Direct-Drive Amp Simulator and DI Box

This humble little red box is home to an amp-simulator and DI in-one. Using this smart chunk of gear, you can connect your guitar directly to a mixer, or to your amp to expand its tonal potential.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£22.50)
Recommended price £296
£283
-25%

Universal Audio UAFX Knuckles '92 Rev F Dual Rec Amplifier

The Universal Audio UAFX Knuckles '92 Rev F Dual Rec Amplifier brings back the legendary high-gain sound of the 1992 Rev Dual Rectifier amp and slaps it on your pedalboard.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£22.50)
Recommended price £525
£349

JHS Pedals The Clover Preamp Effects Pedal

If you're looking for the iconic sound of the Boss FA-1 preamp but you're not quite willing to part with the cash needed to pay for a vintage original, then JHS provide the answer (and some extras) in the green-covered form of The Clover.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£22.50)
Recommended price £287
£198

Tsakalis AudioWorks MultiCab 4 Cabinet Simulator Preamp Pedal

A genuine stomper of an amplifier backed up by eight different virtual speaker cabinets, a fistful of virtual microphones, preamps and power amps, and all of it comes wrapped up in a neat little box.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£22.50)
Recommended price £268
£215

Baroni Lab Recording Tube Amp F-1968 Preamp with 12AX7 Valve and Varicab

The Foxgear Baroni Lab F-1968 preamp is 100% analogue and 100% calibrated to support both gigging and recording work. This meaty, all-in-one powerhouse features an XLR direct output complete with Varicab speaker simulation.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£22.50)
Recommended price £316
£201

Blackstar DEPT.10 Dual Drive Valve Overdrive/Preamp Effect Pedal

Designed by the DEPT.10 R&D team at Blackstar, the Dual Drive is no mere high-quality two-channel tube overdrive stompbox, but a fully-fledged preamp pedal complete with Cab Rig simulator.

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In stock
Order now = receive it on Wednesday (free)
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Recommended price £359
£199

LR Baggs Session DI for acoustic guitar

LR Baggs was inspired by the best studios when they developed the Session DI Box for acoustic guitar, which offers studio-quality sound while performing live on stage.

In stock
In stock
Order now = receive it on Wednesday (free)
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Recommended price £386
£277

Vertex Steel String Supreme Double Preamp Overdrive/Preamp Pedal

The natural next step up from the standard Steel String MKII, the Double Preamp edition doesn't just spit lush overdrive, but serves as a transistor-based analogue preamp packed up inside a pedalboard-friendly box.

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In stock
Order now = receive it on Wednesday (free)
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Recommended price £267
£232

Tsakalis AudioWorks Mothership Tube Overdrive Preamp

Loaded up with two independent channels, each equipped with extensive four-band EQ controls, Gain and Volume sections and three selectable gain stages, the Tsakalis AudioWorks Mothership is capable of weaving some fierce sonic magic.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£24.50)
Recommended price £550
£479

Mooer Micro Preamp 006 US Classic Deluxe

Mooer pulls out all the stops with the Micro Preamp series of compact effects pedals that model the sound of iconic tube amplifiers. This is the 006 overdrive.

In stock
In stock
Order now = receive it on Wednesday
Or order now = receive it on Tuesday (£22.50)
Recommended price £105
£76

Trace Elliot Transit A preamp and effects for acoustic guitars

Trace Elliot's Transit A is a preamp and effects pedal for acoustic guitars. The effects include a boost, chorus, delay with tap tempo, reverb and a tuner.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£24.50)
Recommended price £521
£277

Zoom AC-2 Acoustic Creator DI/effect for acoustic guitar

The Zoom AC-2 Acoustic Creator is a DI box for acoustic string instruments. It ensures that the natural sound of your instrument is amplified accurately and is suitable for use in the studio or on stage.

In stock
In stock
Order now = receive it on Wednesday
Or order now = receive it on Tuesday (£22.50)
Recommended price £217
£175

LR Baggs Para DI & preamp for acoustic guitar

The LR Baggs Para Acoustic D.I. is a studio-quality direct box with a 5-band EQ for acoustic guitar. It has notch and mid-range knobs, adjustable gain and phase inversion and can produce a very transparent sound.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£22.50)
Recommended price £297
£233
-10%

Catalinbread Epoch Bias Preamp/Booster Pedal

The Catalinbread Epoch Bias is basically a modded Epoch Boost that comes outfitted with an extra tone control based on the legendary Maestro Echoplex EP-3.

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In stock
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Recommended price £184
£166
-24%

Universal Audio Ruby '63 Top Boost Amplifier Pedal

Based on the very valve amp that Brian May still plays through today, the Universal Audio Ruby '63 amp pedal sets you up with timeless British-style sound.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£22.50)
Recommended price £435
£288

Tech 21 Acoustic Fly Rig multi-effects for acoustic guitar

The Acoustic Fly Rig is the latest addition to Tech 21's popular Fly Rig series. It's a multi-effects processor for acoustic instruments that gives you professional-quality sounds for use in the studio or live on stage.

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In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£22.50)
Recommended price £369
£243

Koch 63'OD overdrive and preamp

The warm, bluesy sounding Koch OD - driven by a 12AX7 valve - can be used as an effect pedal and as a preamp. It features jack, XLR, headphone and effects loop connectors.

In stock
In stock
Order now = receive it on Wednesday (free)
Or order now = receive it on Tuesday (£24.50)
Recommended price £359
£247

Fortin Amplification Meshuggah Signature Preamp / Distortion

De Fortin Meshuggah PreAmp - Distortion is ontworpen voor ervaren gitaristen die weten wat ze willen: een compromisloos, veelzijdig en krachtig geluid dat zich moeiteloos laat vormen naar hun speelstijl.

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In stock
Order now = receive it on Wednesday (free)
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Recommended price £465
£389

Crazy Tube Circuits Heatseeker - Dual Channel Amp in a Box / Preamp-Enhancer

Inspired by the on-stage setup of Angus Young, the Crazy Tube Circuits Heatseeker pedal performs like an AC/DC-flavoured sonic torpedo.

Order now and receive delivery within approx. 10 business days
Order now and receive delivery within approx. 10 business days
Recommended price £277
£235

IK Multimedia ToneX One Joe Satriani Limited Edition USB-C Amp Modeller and Audio Interface

The IK Multimedia ToneX ONE Joe Satriani Limited Edition has been put together by hand in Italy, features a custom chrome finish and comes loaded with 20 presets created by Satriani himself.

Delivery time unknown
Delivery time unknown
Recommended price £228
£158

DSM & Humboldt Silver Linings Drive/Preamp Engine Guitar Effect Pedal

DSM & Humboldt present the Silver Linings Drive/Preamp Engine: a deeply adjustable guitar effects pedal that can serve as a transparent drive, as well as a fully-fledged preamp.

Order now and receive delivery within approx. 10 business days
Order now and receive delivery within approx. 10 business days
Recommended price £297
£172

Friedman IR-J Dual Tube Preamp & DI Jake E Lee Signature

Developed in collaboration with legendary guitarist Jake E. Lee, the Friedman IR-J two-channel tube preamp spits elastic rock sound supported by DSP IR simulation tech and 18 studio-grade IRs.

Temporarily unavailable
Temporarily unavailable
Recommended price £749
£475

IK Multimedia ToneX One USB-C Amp Modeller and Audio Interface

The latest addition to IK Multimedia's range of ingenious bits of kit, the ToneX One mini-pedal is essentially an amp modeller and USB-C audio interface in one.

Fast delivery within approx. 4 business days
Fast delivery within approx. 4 business days
Recommended price £197
£138

Radial Pz-Pro 2-Channel Instrument Preamp, DI Box and Switcher

With the Radial Pz-Pro at your feet, you're granted deep control over your sound, EQ-settings and effects. This comprehensive beast of a two-channel instrument preamp even doubles as a DI-box and switcher.

Order now and receive delivery within approx. 10 business days
Order now and receive delivery within approx. 10 business days
Recommended price £842
£699

Boss BP-1W Booster / Preamp Waza Craft

Housed in a stylish white stompbox, the BOSS Waza Craft Series BP-1W Booster/Preamp serves up two legendary preamp sounds and a natural clean boost.

Fast delivery within approx. 4 business days
Fast delivery within approx. 4 business days
Recommended price £178
£135

Blackstar DEPT.10 Dual Distortion Valve Distortion/Preamp Effect Pedal

The high-grade Blackstar Dual Distortion was designed from the ground up by the R&D DEPT.10 team to offer way more than just a clean channel and the choice of three overdrives.

Order now and receive delivery within approx. 10 business days
Order now and receive delivery within approx. 10 business days
Recommended price £383
£175

Mooer Micro Preamp 009 overdrive effects pedal

The Mooer Micro Preamp 009 overdrive is an affordable, simple way to upgrade your guitar sound. It's a compact effects pedal based on a legendary German guitar amp.

Order now and receive delivery within approx. 10 business days
Order now and receive delivery within approx. 10 business days
Recommended price £105
£76

Boss AD-10 Acoustic Preamp acoustic preamp & DI pedal

BOSS' AD-10 is an acoustic preamp and DI pedal that ensures you get the best sound out of your acoustic guitar when playing live. It's equipped with a number of on-board controls and built-in effects.

Fast delivery within approx. 4 business days
Fast delivery within approx. 4 business days
Recommended price £391
£333

Baroni Lab Recording Tube Amp M-1959 Preamp with 12AX7 Valve and Varicab

The Foxgear Baroni Lab M-1959 preamp is 100% analogue and 100% calibrated to support both gigging and recording work. This meaty, all-in-one powerhouse features an XLR direct output complete with Varicab speaker simulation.

Order now and receive delivery within approx. 10 business days
Order now and receive delivery within approx. 10 business days
Recommended price £316
£200

Radial PZ-Deluxe Acoustic Instrument Preamp

Stage-ready, the Radial PZ-Deluxe Preamp has been designed from the ground up to get the best live sound out of your acoustic instrument. This model features EQ controls, ground-lift and phase switches and even a boost function.

Order now and receive delivery within approx. 10 business days
Order now and receive delivery within approx. 10 business days
Recommended price £406
£350

Voodoo Lab Giggity pre-amp pedal

Order now and receive delivery within approx. 10 business days
Order now and receive delivery within approx. 10 business days
Recommended price £217
£180
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