In our Triangle - Cello 40th Anniversary (Mangellan Series) - Floorstanding Speakers Review, we unpack how Triangle has masterfully distilled the Grand Concert experience into a 110cm high, three-way marvel. From the refined TZ2900 magnesium horn tweeter to the aerospace-inspired SVA bass drivers, every element speaks to a legacy of neutrality, power and finesse.

Precision Engineering Meets Audiophile Ambition

The Cello 40th marries the TZ2900PM-MG tweeter with a next-generation magnesium alloy dome horn to tame directivity and refine off-axis consistency. Behind this lies a counter-cap that curtails rear-wave reflections for ultra-linear high frequency extension up to 30 kHz. In the heart of the soundstage, the 16 cm cellulose midrange driver with pleated suspension reveals vocals with surgical neutrality—no bloom, no veil, just pure midrange authenticity.

Deep, Controlled Bass with Fibre-Glass Sandwich Woofers

Triangle’s proprietary SVA diaphragms, a three-layer sandwich of fibreglass and cellulose pulp, deliver bass that hits hard yet stays articulated. Dual 16 cm woofers feature optimised thermal transmission (LHS2 heat-sink system) and wide bell-venting ports to eliminate chuffing and maintain laminar airflow, even at elevated SPLs. The bass is tight, tuneful and utterly fatigue-free down to 35 Hz.

Innovative Cabinet and Crossover Design

• Curved HDF enclosure, laser-mapped for micro-vibration control
• Steep 24 dB/oct crossovers with French MKP capacitors and air-core coils
• SPEC isolation stands inspired by cello resonance box, decoupling cabinet from floor
• Bi-wire/bi-amp capable, gold-plated copper terminals in an 11 mm aluminium block

Soundstage and Musicality

What sets the Cello 40th apart is its ability to scale. Orchestral swells cascade with palpable ambience, yet chamber music remains intimate and nuanced. The tweeter’s smooth roll-off and impeccable dispersion render cymbals with crystalline shimmer, while the midrange captures every micro-nuance of a vocalist’s inflection. At reference levels, there’s zero compression; at whisper-quiet volumes, it remains compelling and alive.

Who Should Consider the Cello 40th?

If you’re an audiophile seeking a versatile floorstander for rooms between 15 m² and 50 m²—and you demand a speaker that excels across genres—the Cello 40th Anniversary is a serious proposition. Pair it with a well-sized 100–300 W amplifier and experience a speaker that harmonises power, precision and poise.

Pros and Cons

• Pros: Exquisite high-frequency detail; neutral, uncoloured midrange; deep, controlled bass; resonant-free cabinet design; robust 200 W handling; elegant anniversary aesthetics.
• Cons: 38.8 kg weight per unit (solid build); recommended amp power starts at 60 W (requires proper amplification).

Your Next Acoustic Investment

In our experience, the Cello 40th Anniversary stands as a testament to four decades of Triangle innovation. Its balance of technical sophistication and musical soul will envelop any serious listener. To explore how these floorstanders can transform your listening room, visit the Triangle - Cello 40th Anniversary product page or speak with our team on 1300 308 711. We’re ready to tailor your ultimate HiFi journey.