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Your Price: $4,200.00 4200 InStock

Please contact us for more information concerning availability of this product. White is a special order finish, requiring 3-4 weeks of lead time.


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TRIANGLE - Signature Theta - HiFi Bookshelf Speakers (Pair) is available to buy in increments of 1

TRIANGLE - Signature Theta - HiFi Bookshelf Speakers (Pair)

TRIANGLE - Signature Theta - HiFi Bookshelf Speakers (Pair)

TRIANGLE - Signature Theta - HiFi Bookshelf Speakers (Pair)

Luxury craftsmanship

The range’s conception, and design was 100% implemented in France at TRIANGLE’s workshop in Soissons. Thanks to the experience gained from the Magellan range, TRIANGLE is currently offering a form of luxury craftsmanship with SIGNATURE, born from the passion and the work of its teams.

Each item is made and assembled with uncompromised precision to strive for manufacturing perfection and irreproachable sound.

Technological Innovations

Over the years, TRIANGLE has developed and patented innovations, improving upon the mechanics and vibrations of loud speakers. Every driver has been entirely redesigned. A new 185mm (7.3") aluminum basket with better ventilation, new version of treated paper cones to increase clarity and top quality components to benefit from greater transparency and a more refined tonal balance. Other unique technology such as the twin vent and the SPEC system play their part in making TRIANGLE’s speakers unique.

Luxury woodwork

The Signature cabinets are made from 7 high-density fiberboards for an overall thickness of 21mm (0.8"). This high-density cabinet helps to considerably reduce the speaker’s vibratory behavior.

In view of embellishing this woodwork and of achieving a special luster, either seven or ten coats of paint are added during production in order to reach the “piano lacquer” finish. The cabinets are carefully polished to remove any flaws before adding a new layer of paint.

The Signature Theta is a 2-way bookshelf loudspeaker designed for placement on a dedicated stand (ex S04). It features high density cabinets from the Magellan series combined with a high quality gloss finish for a modern and elegant aesthetic.

Don’t let its compact dimensions fool you: the clarity and the depth of the lower end register are extremely impressive for a speaker of this size. The speaker is equipped with a 16cm (6.5 inch) paper, half roll suspension mid-woofer the brings life to instruments and human voices. The horn-loaded tweeter is positioned on the top of the cabinet to avoid any resonances from the cabinet.

A perfect choice for medium rooms between 15 and 30M2 (50-100 sqft), the Signature Theta is dedicated for music lovers looking for a compact speaker with impressive musicality, power and speed. It can also be used as rear channel for a high-end home theater set up.


  • Made in France
  • Designed, engineered and developed exclusively by TRIANGLE
  • Designed using a wide array of modern prototyping tools and technology, Klippel system, CAD, MLSSA, CLIO
  • Passes numerous quality-control checks before being released from manufacturing


Number of Drivers

2-Way Bookshelf

90 dB/W/m

Frequency Range
45 Hz – 20 Khz (+/-3dB)

Power Handling
90 W

Repetitive Peak Power
180 W

Nominal Impedance
8 Ohms

Minimum Impedance
4.4 Ohms

18.3" x 9.2" x 14.6"
465 x 233 x 372 mm

25.5 lbs ea.
11.55 kg

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