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Overview of Opera Grand Callas Floorstanding Speaker

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. The handcrafted wooden cabinet enhances both its acoustic performance and visual appeal. Though priced for the high-end market, the Grand Callas is an investment in superior audio engineering and artistic craftsmanship, making it ideal for medium to large listening spaces.


10 Key Features of Opera Grand Callas

1. Power Handling

Capable of handling up to 300 watts, making it suitable for high-performance audio systems and large rooms.

2. Driver Configuration

3.5-way system with multiple woofers, a midrange driver, and dual tweeters for a richly detailed and dynamic sound.

3. Driver Material

High-quality materials like treated paper for woofers and silk-dome tweeters ensure natural sound reproduction and durability.

4. Speaker Type

Bass-reflex design with dual rear-firing ports for extended low-frequency performance and minimal distortion.

5. Sensitivity

Rated at 90 dB SPL, ensuring efficient performance with a wide range of amplifiers.

6. Impedance Rating

8-ohm nominal impedance ensures broad compatibility with premium audio systems.

7. Frequency Response

Covers a wide range from 25 Hz to 25 kHz, delivering deep bass, detailed mids, and clear, sparkling highs.

8. Cabinet Design

Handcrafted with luxurious real wood veneer and internal bracing to minimize vibrations and enhance sound purity.

9. Crossover Network

Features a precision-tuned crossover for seamless integration between drivers, resulting in a coherent and immersive soundstage.

10. Elegant Build

Tall and imposing with Italian craftsmanship, it is as much a statement piece as a high-performance speaker.


FAQs About Opera Grand Callas

Q1: What kind of amplifier is recommended for the Grand Callas?

An amplifier with 100-300 watts per channel and 8-ohm compatibility is ideal to unleash its full potential.

Q2: Can the Grand Callas be used in a home theater system?

Absolutely. They make excellent main speakers in high-end home theater setups, offering exceptional clarity and depth.

Q3: Do these speakers need a subwoofer?

Not necessarily. The Grand Callas delivers impressive bass, but a subwoofer can further enhance ultra-low frequencies for specific needs.

Q4: Are they suitable for small rooms?

These speakers are best suited for medium to large rooms where their full capabilities can be appreciated.

Q5: Are they bi-wire or bi-amp capable?

Yes, they feature bi-wire/bi-amp terminals for flexible connection options.

Q6: What is the cabinet finish?

The Grand Callas features a premium real wood veneer finish, reflecting its luxurious Italian craftsmanship.

Q7: Are they handmade?

Yes, each speaker is handcrafted in Italy with meticulous attention to detail.

Q8: How should I position these speakers?

Place them away from walls and corners for optimal bass response and sound imaging, with tweeters at ear level.

Q9: Can I use them for high-volume listening?

Yes, their robust build and high power handling make them ideal for high-volume and dynamic listening.

Q10: Do they come with a warranty?

Yes, Opera Loudspeakers provides a standard warranty for the Grand Callas, but terms may vary by region or retailer.

Opera Grand Callas Specifications 

System Reflex, foorstanding with rear fireing radiation system (dipole). Finish in wood and leather. Bi-wiring. Support for spikes or wheels.
Front firing loudspeakers 2 x 8” long-throw woofers, 1 x 7” midrange with polypropylene re-cooked cone and phase plug. 1 x 1” Scanspeak 9700 tweeter without ferrofluid and double decompression chamber
Rear fireing loudspeakers 2 x1” tweeters in “natural dipole” assembly
Number of ways 3 ways rear dipole
Frequency Response 32 -25000 Hz
Cross-over On 2 PCB
  12 dB/ott. For woofers
  12 dB/ott for midrange
  18 dB/ott for the front tweeter
  12 dB/ott for the reas tweeters
  Cross-over frequencies 200 e 2000 Hz (aprox.)
Max Power (long period) 240 Watt (without clipping) for musical programs with crest factor about 3
Max Power (Short period) 500 Watt (without clipping) for musical programs with crest factor more than 5
Amplifier Starting from 10 Watt RMS
Sensitivity 89 dB/2.83 Volt/1 meter
Nominal impedance 4 ohm (Zmin >3.2 ohm)
Position in the room At least 20 cm from the rear wall
Size 130 x 31 x 55 cm (HxLxP)
Weight 75 Kg each
Finishing Walnut, Mahogay 
Opera Grand Callas Tower Speakers
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