Custom by nature
RedSeven estimates custom work represents roughly 30–40% of its output.
Handcrafted amplification / Este, Italy
RedSeven Amplification
Boutique valve amplifiers and modern rig devices engineered for players who demand character, control and zero compromise.
Explore the rangeThe RedSeven philosophy
Built by hand. Tuned by ear.
RedSeven treats amplification as instrument making. Every amplifier is designed, assembled and tested in Italy, combining classic valve response with modern control.
From the GMI workshop interview
Customer ideas become circuits.
Demand becomes design
More than half the model range began with a customer request.
Duality came first
The compact Duality was the original RedSeven amplifier.
Simple to total
Customisation can run from colour and graphics to a completely new circuit.
Amplifier range
Different circuits. One standard.
R7 / AMP 1
The Dirt
- Power
- 50W / EL34
- Architecture
- Single channel
R7 / AMP 2
Duality
- Power
- Architecture
- Two channels
Tailor Made / your specification
Not just custom. Made personal.
From custom tolex, printed graphics and figured wood to new devices and original circuits, RedSeven can build around your idea.
The sound of working artists
Built for real-world rigs.
ARTIST / 1
Mick Thomson
Slipknot
Amp Central EVO / NGR-1
ARTIST / 2
Steve Stevens
Billy Idol / Grammy winner
Amp Central EVOARTIST / 3
Stefan Hauk
Australian solo artist
Numero Uno / Custom ampsGMI & RedSeven Australia
Build the rig that answers back.
Explore RedSeven or talk to GMI about a custom Made build.