16-Unit Acoustic Tower
1.6 m tall — the low-frequency output of twenty pairs of subwoofers
The Acoustic Tower is BitDiamond’s flagship acoustic tower. Its hexagonal honeycomb sealed geometry achieves 100% spatial fill and isotropic sampling, which avoids high-frequency spatial aliasing. 16 units of 120 mm ultra-slim transducers are stacked vertically inside a 1.5 L micro-sealed rear chamber; together with active anti-phase rear cancellation (AAIM) they deliver the low-frequency energy of twenty pairs of oversized subwoofers within a physical cavity of just 1.5 L. A constrained damping layer (CLD) composite lines the interior wall, so high-frequency absorption and structural vibration decoupling happen at the same time. At 120 × 140 × 1600 mm the entire column can be recessed flush or mounted against a wall, cutting more than 70% of the footprint a conventional fifteen-pair audiophile system would need.
Specifications
- Enclosure form
- 120 × 140 × 1600 mm
- Transducers
- 16 × 120 mm EESM-AMB
- Rear chamber volume
- 1.5 L micro-sealed
- Vertical field attenuation
- -3 dB/m
- Equivalent low frequency
- 20 pairs of oversized subwoofers
- Footprint reduction
- > 70%
- Total harmonic distortion
- < 0.005%
- Frequency span
- 2 kHz – 100 kHz
Hexagonal honeycomb sealed shell
Active magnetic bearing + magnetless excitation
16 units stacked vertically
Conventional point source -6 dB/m
AAIM actively cancels rear-chamber pressure
Versus a fifteen-pair audiophile system
Micro-displacement array, per-driver stroke ≤ 1 mm
Orthogonal frequency decoupling
Sixteen driver layers, one rear cavity.
Scroll down and the tower comes apart layer by layer along its axis.
- Assembled
- Bulletproof glass panel
- Hexagonal frame
- 16 driver stack
- EESM drive motors
Product footage
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Design notes
Zero-footprint wall mounting
At a 120 mm enclosure depth the whole column can be recessed into a wall or mounted flush against it, and the vertical line source delivers even coverage at -3 dB/m, effectively suppressing early reflections.
An infinite cavity inside 1.5 L
AAIM uses a negative impedance converter to actively cancel low-frequency standing waves inside the 1.5 L rear chamber, making the enclosure nearly acoustically transparent in the low-frequency band.
CLD constrained damping layer
A composite absorptive structure on the inner wall deals with mid- and high-frequency standing waves and cabinet-wall vibration at once, suppressing structure-borne sound.
Modular expansion
DIP-8 standard socketed modules reserve DSP and driver expansion slots, so the system can be upgraded by hot-swapping modules without replacing the enclosure.
Engineering diagrams
