Product Overview & Specifications
The Børresen T5 floorstanding loudspeaker represents a benchmark in Danish audio engineering, inheriting core technologies from the flagship M-series. Constructed with block-milled hardwood internal bracing, carbon fiber reinforcements, and rear pressure venting, the T5 utilizes deep cryogenic treatment across its copper and silver pole rings, internal wiring, driver baskets, crossover coils, and tweeter components to relieve material stress and optimize signal conductivity.
Its multi-driver array features an RP94 planar ribbon tweeter (0.01g moving mass) alongside two 5-inch IronFree5 bass/midrange drivers and four 8-inch IronFree8 bass drivers. Powered by a patented iron-free motor system with mirrored N52 neodymium magnets and copper pole rings, the dynamic drivers eliminate iron-core distortion and heat compression. All cone diaphragms employ a 3-layer composite sandwich construction—an aramid honeycomb core between carbon fiber skins infused with graphene and boron whiskers—for high rigidity and rapid transient response.
KEY FEATURES
- Patented Iron-Free Magnet Motor: Replaces traditional iron pole structures with mirrored N52 neodymium magnets and copper pole rings to eliminate hysteresis distortion and improve thermal stability.
- Deep Cryogenic Processing: Cryo-treatment applied to metal components, driver baskets, crossover coils, and internal wiring to refine material crystal structures and enhance electrical performance.
- RP94 Planar Ribbon Tweeter: Features an ultra-light 0.01-gram moving mass and 94 dB efficiency for extended, transformer-free high-frequency response up to 50 kHz.
- Graphene & Boron Whisker Carbon Diaphragms: 3-layer composite sandwich cones using an aramid honeycomb core between carbon fiber skins reinforced with graphene and boron whiskers for high stiffness and minimal energy storage.
- Phase-Coherent Serial Crossover: Uses a serial topology with foil coils, military-grade stack-foil capacitors, and low-noise metal strip resistors; supports passive bi-amping and active crossover bi-amping configurations.
- Resonance-Controlled Cabinet Construction: Heavily braced cabinet incorporating block-milled hardwood, carbon fiber reinforcements, and rear pressure-relief venting to minimize internal standing waves.
SPECIFICATIONS
| Speaker Type | Multi-Driver Floorstanding Reference Loudspeaker |
| High Frequency Driver | 1x Børresen RP94 Planar Ribbon Tweeter (0.01g Moving Mass) |
| Midrange / Bass Drivers | 2x 5" Børresen IronFree5 Drivers |
| Low Frequency Drivers | 4x 8" Børresen IronFree8 Drivers |
| Frequency Response | 25 Hz – 50,000 Hz |
| Sensitivity | 88 dB / 1W |
| Nominal Impedance | 6 Ω |
| Recommended Amplifier Power | > 50 W |
| Magnet Motor System | Patented Iron-Free Motor with Mirrored N52 Neodymium Magnets & Copper Pole Rings |
| Cryogenic Processing | Deep Cryo-Treated Wiring, Drivers, Crossovers, and Magnet Assemblies |
| Cabinet Finish Options | Black High-Gloss Lacquer / Walnut Real Wood Veneer High-Gloss Lacquer |
| Dimensions (H x W x D) | 1646 x 360 x 758 mm (64.80" x 14.17" x 29.84") |
Customer Reviews
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Borresen T5 Cryo Loudspeakers
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