


Opera Grand Callas
The Opera Grand Callas is a flagship floorstanding speaker designed for audiophiles seeking unparalleled sound quality and exquisite design. Featuring a sophisticated 3.5-way configuration, it delivers a balanced and dynamic soundstage with deep bass, lifelike mids, and sparkling highs. Its bass-reflex design, combined with advanced driver technology, ensures exceptional clarity and precision across all frequencies. With a sensitivity of 90 dB and an 8-ohm impedance, the Grand Callas is versatile enough to pair with high-performance amplifiers.

Opera Grand Callas Floorstanding Speaker
- Three-Way Design with Rear Dipole: Features a three-way configuration complemented by a rear-firing dipole system, enhancing ambient sound and creating a spacious soundstage.
- Frequency Response: 32Hz to 25kHz, covering a wide range of audible frequencies
- Sensitivity and Impedance: 89 dB sensitivity and 4Ω nominal impedance, making them compatible with a variety of amplifiers starting from 10W RMS output.
- Power Handling: Capable of handling up to 240W of continuous power, accommodating dynamic musical passages without distortion.
- Crossover Design: Utilizes a sophisticated crossover network with 12 dB/octave slopes for woofers and midrange, and 18 dB/octave for the front tweeter, ensuring seamless frequency transitions.
51 x 12.2 x 21.7 inches (H x W x D)
75kg (each)
two ways, stand mounting, Reflex with rear duct,
Standard
1 x 7” long-throw woofer with
polypropylene re-cooked cone and phase plug.
Rear Dipole Floorstanding Speakers
1
30 - 20000 Hz
0000 Hz
89db/2.83Vrms/1 meter
4 Ohms