Floorstanding loudspeakers — Avalon Accoustics Tesseract Signature

The Tesseract Signature is a flagship floorstanding loudspeaker from Avalon Acoustics, built with massive dedicated internal bass amplification alongside the brand's characteristic passive midrange and treble sections. Sitting at the very top of Avalon's catalogue, the Tesseract Signature represents the fullest expression of technology that has subsequently trickled down into the brand's other reference models, including the Iris Signature.

Key specs that matter

Rated response is an extraordinary 16Hz to 100,000Hz within plus-or-minus 3dB, a vast bandwidth extending deep into infrasonic territory. Sensitivity is 93.5dB into a 6 ohm load, with recommended amplifier power for the passive sections spanning 15-500W. Built-in bass amplification delivers a staggering 5,400W dedicated specifically to low-frequency reproduction, letting the Tesseract Signature achieve reference-tier bass extension and control independent of the external amplifier driving its passive sections. At 221 x 74 x 82cm and 375kg, the Tesseract Signature represents one of the most ambitious loudspeaker cabinets in Avalon's entire history.

Sound and use context

Expect exceptional dynamic range and the deepest, most controlled bass extension in Avalon's catalogue - the combination of the extraordinarily wide 16Hz-100kHz bandwidth and the massive 5,400W dedicated bass amplification suggests a design capable of reproducing the complete musical spectrum with uncompromising authority and control.

Pairing

Because the internal bass amplifier handles low-frequency reproduction independently with its own massive power reserve, the external amplifier driving the Tesseract Signature's passive sections can focus purely on midrange and treble duties without needing to also supply bass-level current demands.

Alternatives

Avalon Acoustics' Iris Signature sits below this absolute flagship Tesseract Signature at a more attainable, though still substantial, scale and investment, worth considering instead if the Tesseract Signature's extraordinary 375kg commitment exceeds what a specific room can accommodate. Avalon's decision to house such substantial dedicated bass amplification within the loudspeaker cabinet itself, rather than relying entirely on external amplification for the full frequency range, reflects a considered engineering approach to achieving reference-tier low-frequency control. Recommended overall for buyers seeking Avalon's absolute flagship performance.