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Descartes

Descartes exists for one reason: maximize what your amplifier can do and reveal every musical detail.

No passive crossover. Each driver is powered directly by your amplifier.

Bass Impact Circuit. Cabinets volume-matched to exact woofers. Fastest bass transients. Intense bass detail.

You control the crossover point, the slope, the gain. You hear your amp, not our parts bin.

Cabinet: Birch Plywood, symmetrical pairs. No MDF. Choice of Xeodur Colors or hand-rubbed oil finish.

Each aperiodically-damped cabinet individually sized to the exact woofer. Volume should be accurate to 0.01 cubic foot or it becomes firewood.

Requirements: Biamplification. Two stereo amplifiers or four mono blocks. Active crossover or DSP ahead of the amps. If you don’t own this yet, I’ll spec it with you.

Descartes Speaker

Specifications

... Description
Type 2-Way Stand Mounted
Tweeter Custom 1” Aramid/Silk Matrix Dome
Woofer Custom 6” Concave Dome & Bass Impact Circuit.
Cabinet Selected Birch Plywood/XeoTex Matrix, symmetrical pairs
Sensitivities Bass: 86 dB SPL/2.83 V/1 m, Treble: 91 dB SPL/2.83 V/1 m
Impedances Bass: 8 Ohms, Treble: 8 Ohms
Dimensions 24” High x 12” Wide x 8” Deep
Crossover External active crossover
Finish Xeodur Colors or hand-rubbed oil
Weight 26 pounds
Delivery Time 8 Weeks from deposit
Option Altisonus Bass Recovery Module

The Descartes Tweeter

Natural. Airy. Disappears.

No metal zing, no plastic honk. Cymbals sound like brass, not spray paint. Hear the sticks hit. Never beams or spits. You hear air around instruments, not "tweeter." Off-axis response is wide. Stand up, sit down, or walk around. The image doesn't collapse.

Doesn't do 105 dB like a PA. Won't win SPL contests. But at sane 85 dB to 95 dB listening levels, it's liquid. You won’t hear the tweeter, or I failed. Doesn't add “sparkle” or exaggerated “detail.” It removes itself. It lets the music breathe. Silk for your ears, not for show.

Descartes Tweeter

Note: Driver photograph is real; background is AI-generated.

The Descartes Woofer

Forgiving. Musical. Old-school European. This is the sound of a '70s monitor. Bass is round and warm, not tight and analytical. It won't dig to 30 Hz, but 55 to 150 Hz has weight and tone. The kind of midbass that makes upright bass sound like wood, not a sine wave. Mids are voiced to have that subtle paper warmth. Why? Perfect vocals. Nina Simone gets resonance. Horns have bite without ice pick.

Hand-Coated Paper doesn't lie. The Descartes Woofer tells the truth about tone, not just frequency. Warm, present, and never fatiguing: the woofer for listeners, not oscilloscopes.

BBC monitor DNA. Jazz, acoustic, vocal-forward. Pairs with soft domes like a fine Kansas Whiskey with open-flame grilled Ribeye.

Descartes Woofer

Note: Driver photograph is real; background is AI-generated.

Interested in commissioning a pair? Contact us to begin the conversation.

Each pair is built to commission. Final pricing depends on configuration, finish and customer-selected options.

This includes: cabinet build, driver tuning to your amps, measurement session in Bonner Springs, and crated shipping in the continental US.

This is not for everyone. It’s for you if:
• You own, or will buy, proper amplification.
• You want a speaker built to your system, not a showroom.
• You believe performance beats pedigree.