Project

Origin

Sound that Lasts

Manifesto

In a world where products change with every season, we build what remains. Aeternum Audio exists for one idea: that great sound never expires.

We chase the truth in music. Every component must have a reason. Every product must endure.

Technical Specs

Mid-WooferSB Acoustics SB15NBAC30-4 (5")

TweeterSB Acoustics SB29RDAC (1")

Efficiency86 dB / 2.83V / 1m

Impedance4.5 Ohms

Response38Hz – 26kHz (-3dB)

Crossover2nd Order

Dimensions186 × 416 × 386 mm

Weight12.7 kg (3mm Oak Veneer)

Digital Technical Package (PDF)

Master Blueprints: High-resolution 2D & 3D technical drawings with exact metric dimensions.
Crossover Design: Full schematics including phase-coherent alignment and component selection.
BOM (Bill of Materials): Complete shopping list for drivers, capacitors, inductors, and damping materials.
Assembly Guide: Step-by-step construction manual from raw wood to finished high-end speaker.

Get Full DIY Plans — Launch Price — €50 + VAT

Deep Dive

Engineering & Performance

Sound Signature

Origin is designed for the listener who values transparency and coherence above all else. While its compact footprint suggests a modest performance, the reality is quite different; through precise cabinet loading, it reaches down to 35Hz in-room with authority and control. This isn't "hyped" bass—it's articulate, textured, and punchy.

In the listening chair, the Origin truly reveals its character: the sound doesn't come from the boxes, but hangs in the air, detached and palpable. The crossover alignment ensures a seamless integration between drivers, creating a holographic soundstage where every instrument finds its place in the room.

Reference Listening:
When listening to tracks like Keith Jarrett's 'The Köln Concert' or Pink Floyd's 'The Division Bell', the Origin reveals the subtle decay of piano notes and the precise layering of atmospheric textures that lesser designs simply blur over.

The Design Philosophy

My goal with Origin was to transcend the physical limitations of its size. By fine-tuning the cabinet resonance and selecting high-performance drivers, I achieved a timing-accurate response that feels larger than life. By meticulously optimizing the crossover slopes and component quality, I've minimized phase deviation in the critical 2–4kHz range. The result is a speaker that effectively "disappears," leaving you with nothing but the pure, uncolored essence of the music.

Laboratory