Since 2007

Hand-built guitar tube amplifiers

Pure tube tone. No compromise.

Hand-built guitar tube amplifiers inspired by the golden era of tone. Crafted one by one. Fully customizable. Unmistakably Kool.

Marvell Deluxe The 1984 The ACE

The range

The Kool Marvell Deluxe amplifier head Marvell Deluxe Super clean, crunch and extreme high gain The Kool 1984 amplifier head on a cabinet The 1984 Medium gain, two channels The Kool ACE amplifier head and cabinet The ACE '62 JTM clean, single channel The Kool Blue Sky combo amplifier Blue Sky Ultimate pedalboard platform, tube reverb

Built by Hand. Built for Tone.

Every Kool Amplification amplifier is wired, assembled, and tested by hand. No PCB shortcuts. No mass production. Only traditional tube design, premium components, and obsessive attention to detail.

The back of a Kool amplifier with its mains inlet, speaker outputs and a perforated steel panel
Handwired Tube Circuits
A Kool amplifier head in embossed black tolex with a gold faceplate and the Kool badge
Fully Customizable Specs
The engraved control panel of a Kool ACE with cream knobs and toggle switches
Vintage-Correct Components
Close-up of the controls of a Kool 1984 with black knobs and the 1984 emblem
Built for Players, Not Factories

Marvell Deluxe

A rich, expressive amplifier with classic British character. Dynamic response, bold mids, and singing harmonics.

Explore Marvell Deluxe

The 1984

Raw. Aggressive. Iconic. The 1984 delivers classic medium-gain tones inspired by the greatest rock amplifiers ever made.

Explore The 1984

More Kool Tone