Triangle Solstice 8 Birch
130 W Hi-Fi floorstanding speaker (per pair)
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Solstice 8: Spacious, precise sound reproduction rich in emotion
The Triangle Solstice 8 floorstanding speakers combine power, precision and acoustic refinement to deliver an immersive listening experience. Featuring a 3-way, 4-driver design, they combine a magnesium alloy horn-loaded tweeter, a 16 cm midrange driver and two 16 cm bass drivers. Their Bass-Reflex design with a laminar port promotes deep, controlled bass, while their 91 dB sensitivity and 38 Hz to 22 kHz frequency response allow them to reproduce the full richness of recordings. Suitable for rooms measuring 15 to 50 m², they fit naturally into a Hi-Fi or Home-Cinema system.

A horn-loaded tweeter designed to open up the soundstage
At the heart of the acoustic innovations in the Solstice range is the TZ2540MG horn-loaded tweeter with a 25 mm driver, featuring a design specially developed by Triangle. Its magnesium alloy diaphragm is paired with a new phase plug designed to optimise high-frequency dispersion. Its redesigned horn profile, featuring an exclusive barrel-shaped mouth, contributes to precise, balanced treble reproduction. The midrange also benefits from significant improvements, with a 16 cm driver with a diaphragm made from natural cellulose pulp and a new rear-bonding process. This technology increases the diaphragm's radiating surface and improves the linearity of sound reproduction. Together, these features reveal the nuances of voices and the harmonic richness of instruments within an open, natural soundstage.
Controlled bass and an ingenious acoustic base
The Triangle Solstice 8 feature two 16 cm bass drivers with concave paper diaphragms and no dust caps, delivering deep, dynamic and controlled bass. Their design includes a new die-cast aluminium basket, whose arched structure promotes acoustic neutrality. The innovation extends to the multifunctional base, which conceals the port outlet so that airflow is channelled through the speaker's foot. Its honeycomb cast-iron structure is covered in silicone to help absorb vibrations, while its 2° tilt optimises directivity and widens the listening area. Adjustable metal spikes ensure good stability on the floor. Finally, the dual binding posts, compatible with bi-wiring and bi-amping, offer more options for creating a personalised audio system.

Key features:
- Passive Hi-Fi floorstanding speakers, Bass-Reflex with laminar port
- Acoustic configuration: 3-way, 4-driver
- Tweeter: 1 x 25 mm magnesium alloy, TZ2540MG horn-loaded design with barrel-shaped mouth
- Midrange driver: 1 x 16 cm natural cellulose pulp
- Bass drivers: 2 x 16 cm with concave paper diaphragms and no dust caps
- Power handling: 130 W
- Recommended amplifier power: 60 to 200 W RMS per channel into 8 ohms
- Frequency response (± 3 dB): 38 Hz to 22 000 Hz
- Sensitivity: 91 dB
- Nominal impedance: 8 ohms
- Minimum impedance: 3,6 ohms
- Crossover frequencies: 250 Hz / 3,7 kHz
- Connections: dual binding posts compatible with bi-wiring and bi-amping
- Base: honeycomb cast-iron structure covered in silicone, 2° tilt and adjustable spikes
- Recommended listening area: 15 to 50 m²
- Dimensions (W x H x D): 308 x 1 075 x 394 mm, with base
- Weight: 30,4 kg per speaker with base
- Uses: Hi-Fi and Home-Cinema
Select your criteria
General information |
Product name |
Triangle Solstice 8 Birch |
Brand |
TRIANGLE | |
Model |
SOLS_TEC75_CO_V1_C | |
Design |
Speaker type |
Column speaker |
Wireless |
No | |
Bluetooth |
No | |
Load type |
Bass Reflex | |
Number of channels |
3 | |
Speaker(s) |
2 X Bass - Mid 160mm | |
| 1 X Mid 160mm | ||
Performance |
Admissible power |
130 W |
Réponse en fréquence (min) |
38 Hz | |
Frequency response (max) |
22 kHz | |
Sensitivity (for 1W at 1m) |
91 dB | |
Physical characteristics |
Width |
308 mm |
Height |
1075 mm | |
Depth |
394 mm | |
Weight |
30.4 kg | |
Color |
||
Warranties |
Commercial warranty |
Seller 2 years
|
Legal warranty |
See terms & conditions
Harmonised legal guarantee notice
|
|
Safety Information |
Responsible person |
TRIANGLE HI-FI |
Postal address |
475 Avenue Flandres Dunkerque - ZI les Étomelles 02200 Villeneuve Saint Germain FRANCE | |
Electronic Address |
Click here
|
See all TRIANGLE products
Product referenced on 30 Oct 2026
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