Brand New from Authorized RedSeven Amplification Dealer

Hi-Proof Guitars is an appointment only showroom in Katy TX. We only carry the good stuff, from high end electric guitars, acoustic guitars and primarily, tube-amplifiers. Message or reach out for more information.

The Duality 100 RS represents the evolution of our iconic Duality 100 — a new take on the modern boutique amplifier.
Completely handcrafted and handwired in Italy, this 100-watt all-tube head introduces a redesigned 6L6 power stage, delivering a tighter low end, more headroom, and an even more defined high-gain response.

Every note feels alive, with the unmistakable clarity and dynamics that define the RedSeven sound.
Built for guitarists who demand feel, precision, and musical depth, the Duality 100 RS blends engineering accuracy with pure emotion.

Featuring three independent channels — Clean, Vintage, and Modern — the Duality 100 RS offers the entire spectrum of tone:
from shimmering cleans inspired by early ’60s single-channel amps, to classic plexi crunch, to harmonically rich modern distortion.
Each channel reacts to your touch, preserving the nuances of your playing style.

Under the hood, the Duality 100 RS packs dual master volumes, a high-voltage buffered FX loop, and full MIDI PC/CC control with internal memory.
Custom transformers, premium components, and a meticulous hand-wired layout ensure reliability and tone purity at any volume.

This amplifier isn’t mass-produced — it’s crafted by musicians for musicians, in Italy.
A perfect fusion of design, craftsmanship, and power, made to inspire every performance.

Specs:

• Clean Channel: inspired by early ‘60s single channel amplifiers. Volume, gain, high, middle and bass and a bright switch.
• Vintage Channel: inspired by vintage distorted “plexi sound”. A true sonic nirvana. From semi-clean tones to a powerful crunch with only your right hand, all in a single channel. Volume, treble, middle, bass, gain, bright switch, and lead boost;
• Modern Channel: A modern distorted high gain sound. It shares the eq with the Vintage channel, but has dedicated volume and gain controls. Volume, treble, middle, bass, gain, bright switch, and lead boost;
• High-voltage buffered effects loop; Double Master volume;
• MIDI communication (PC and CC) with smart internal saving;
• Power and signal transformers designed by our specifications, made in Italy;
• Entirely designed, created, produced and assembled by hand in Italy by RedSeven Amplification;
• Optional FS-7 available.