Grandis GR8T 8" 3-Way High Fidelity Tower Speaker (SINGLE)

Frequency Response: (+/- 3dB) 28-42,000 Hz

Impedance: 4 Ohms

Sensitivity: 89 dB

Recommended Power: 20-300 Watts

Peak Power: 600 Watts

Tweeter: 1.1" Aperion Silk-dome Tweeter with Proprietary Coating 

Midrange: 3" Soft-dome Mid-range Driver

Woofers: Dual (2) 8" A.F.G. Cone Long-Throw Woofers

Driver Configuration: 3-Way 8" HiFi Tower Speaker

Enclosure Type: Anti-Resonant, Internally Braced, Rear Ported, 1"(25mm) HDF Cabinet；1“（25mm）Bracing

Product Weight: 108 lb / 49 kg Each

Product Dimensions: H 49.6" x W 13.1" x D 13.8" (H 1260mm x W 333mm x D 351mm)

Placement Location: Front L/R Speakers

Shipping Weight: 136.7 lb / 62 kg

Shipping Dimensions: L 56.3" x W 20.5" x H 19.7" (L 1430mm x W 520mm x H 500 mm)

The Grandis series features a 1.1-inch transparent silk dome tweeter artfully integrated into an all-aluminum waveguide panel. The front boasts a gold-plated phase bridge, and the entire configuration resembles a planet gracefully suspended above the cabinet’s surface. This distinctive look has earned it the charming nickname "The Saturn Tweeter" among audiophiles. The tweeter membrane is uniquely coated with a specialized polymer damping material, a design relatively uncommon in HiFi speakers but greatly enhancing sound diffusion performance. This innovative approach undoubtedly establishes a strong foundation for the Grandis series, allowing for high-frequency sound that is exceptionally transparent, clear, and delicate.

The APERION high-end soft dome midrange driver is a true marvel of audio engineering. Featuring an oversized low-distortion voice coil, it lays the groundwork for exceptional performance. Its design incorporates a unique wide-pole structure along with a proprietary dampening coating that works in harmony to minimize un-wanted vibrations in the mid-frequency range. This effectively reduces distortion and noise, resulting in a pure and natural sound quality.

What sets it apart is not just its distinctive design but also its outstanding sound quality, making it the go-to choice for both audio enthusiasts and professionals alike. When it comes to the listening experience, it boasts a remarkable off-axis response and low distortion, allowing for an accurate presentation of sound details. This delivers a warm and rich mid-range experience. Additionally, the driver excels in sound diffusion, offering a wide and even distribution, precise directivity, and effectively minimizing standing waves and reflections. As a result, listeners can immerse themselves in a natural and pleasant auditory experience.

In designing the Grandis mid-bass speaker, Aperion Audio' engineers have demonstrated remarkable patience, professionalism, and perseverance, pouring significant effort into its development to deliver an exceptional sound quality experience. The R&D team dedicated considerable time to meticulously studying and successfully creating a unique sound basin known as the "A.F.G" woofer structure, which consists of three carefully chosen layers of materials.

This distinctive sound basin boasts a highly sophisticated structural design. The outermost layer is crafted from aluminum, featuring an ultra-thin oxide layer that provides excellent rigidity, effectively countering boundary vibrations and ensuring stability during operation, which is crucial for delivering precise sound quality. The middle layer is filled with acrylic foam, which provides good cushioning and flexibility. Acting like an elastic cushion, this layer enhances the Mid-Bass Woofer's flexibility, allowing it to expand and contract freely during vibrations while minimizing energy loss. Finally, the innermost layer is made of Fiberglass, known for its high tensile strength and significant elastic coefficient. This addition significantly boosts the speaker's sound performance, resulting in powerful, well-defined mid-bass and an immersive listening experience that captivates audiences with enticing mid- and low-frequency sounds.

The entire speaker cabinet is meticulously crafted from premium High-Density Fiberboard. HDF is known for its excellent and consistent physical properties that provide a solid and dependable structural foundation for the speaker. Inside the cabinet, a reinforcing rib support structure is implemented, acting like a sturdy skeleton that significantly boosts the cabinet's overall strength and stability. This design effectively eliminates any unwanted resonance and abnormal sounds caused by cabinet vibrations, ensuring that the audio produced is pure and free from noise interference.

When you pick up this speaker, its substantial weight instantly conveys our commitment to quality. This significant heft is a testament to the high-grade materials we've used, and every detail reflects our relentless dedication to craftsmanship.

After a lengthy and thorough process of refining the crossover components, our engineers successfully achieved a smoother, more neutral, and balanced frequency response across the board. The phase integration between the tweeter and midrange has seen significant improvement, resulting in a cleaner and more open sound in the critical transition areas.

The Grandis high-fidelity speaker boasts a selection of our top-quality proprietary components, including high-grade silver foil capacitors that minimize dielectric loss and enhance sound purity. Our engineers have also tailored the internal wiring for stable and efficient signal transmission. Additionally, they have designed the crossover's PCB board in the signature Aperion red, serving not just as a visual marker but also as a testament to their commitment to outstanding sound quality, in their pursuit of perfection in material selection.

We have conducted extensive comparisons and tests, creating specialized silver foil capacitors for the Grandis series, which is designed for high volume listening. This ensures that the treble is both silky smooth and crystal clear, perfectly aligning with the desired characteristics of high-frequency sound.

This silver foil capacitor is crafted from a silver-nickel alloy, which provides it with outstanding high-frequency performance. It has proven its remarkable reliability in applications such as radio, radar, television, and various communication devices. In high-frequency circuits, these capacitors excel, offering unmatched fidelity and an improved signal-to-noise ratio that allows every note to shine in its original form. Moreover, silver foil capacitors are known for their impressive longevity, ensuring long-term stability in sound quality output.

The carefully designed multi-stranded twisted wire inductor plays a crucial role in accurately reproducing the audio signal, leading to enhanced sound quality, reduced distortion, and minimized effects from high-frequency "skin effects". This is why we confidently incorporated this high-end, multi-stranded inductor design into the Grandis speaker series, aiming to elevate the overall listening experience further.

Non-inductive resistors stand out for their impressive design, which minimizes inductive reactance to extremely low levels, typically negligible. This thoughtful design helps eliminate signal distortion and energy loss in high-frequency circuits while ensuring a consistent frequency response. Additionally, these resistors are renowned for their high precision, excellent resistance to temperature fluctuations, and overall stability, all of which contribute to the reliable performance of speakers.

After a lengthy and thorough process of refining the crossover components, our engineers successfully achieved a smoother, more neutral, and balanced frequency response across the board. The phase integration between the tweeter and midrange has seen significant improvement, resulting in a cleaner and more open sound in the critical transition areas.

The Grandis high-fidelity speaker boasts a selection of our top-quality proprietary components, including high-grade silver foil capacitors that minimize dielectric loss and enhance sound purity. Our engineers have also tailored the internal wiring for stable and efficient signal transmission. Additionally, they have designed the crossover's PCB board in the signature Aperion red, serving not just as a visual marker but also as a testament to their commitment to outstanding sound quality, in their pursuit of perfection in material selection.

We have conducted extensive comparisons and tests, creating specialized silver foil capacitors for the Grandis series, which is designed for high volume listening. This ensures that the treble is both silky smooth and crystal clear, perfectly aligning with the desired characteristics of high-frequency sound.

This silver foil capacitor is crafted from a silver-nickel alloy, which provides it with outstanding high-frequency performance. It has proven its remarkable reliability in applications such as radio, radar, television, and various communication devices. In high-frequency circuits, these capacitors excel, offering unmatched fidelity and an improved signal-to-noise ratio that allows every note to shine in its original form. Moreover, silver foil capacitors are known for their impressive longevity, ensuring long-term stability in sound quality output.

The carefully designed multi-stranded twisted wire inductor plays a crucial role in accurately reproducing the audio signal, leading to enhanced sound quality, reduced distortion, and minimized effects from high-frequency "skin effects". This is why we confidently incorporated this high-end, multi-stranded inductor design into the Grandis speaker series, aiming to elevate the overall listening experience further.

Non-inductive resistors stand out for their impressive design, which minimizes inductive reactance to extremely low levels, typically negligible. This thoughtful design helps eliminate signal distortion and energy loss in high-frequency circuits while ensuring a consistent frequency response. Additionally, these resistors are renowned for their high precision, excellent resistance to temperature fluctuations, and overall stability, all of which contribute to the reliable performance of speakers.

When we shift our gaze to the bottom of the speaker, we notice an essential component; the terminal cup. This terminal cup features three pairs of extra-thick, bespoke gold-plated binding posts that stand out beautifully. The gleaming gold surface and elegant design come together to radiate a high-end aesthetic to match it's sound.

Notably, they also support Tri Wiring for sound separation. Operating it is a breeze; remove the gold connecting piece in the middle, allowing for easy independent connections of the tweeter, midrange, and bass speaker units to meet various audio configuration needs.

Located on the upper back of the speaker, our engineers integrated an ABS port tube. To achieve the optimal low-frequency enhancement, the R&D team undertook meticulous calculations and exhaustive testing regarding the port tube's travel length and opening size. After countless simulations and real-world assessments, they finally pinpointed the most effective parameters. These precise adjustments significantly improve the speaker's low-frequency response, resulting in a fuller and more powerful sound. Visually, the connection between the port tube and the back of the cabinet is flawlessly executed, aligning perfectly and appearing as if they are one seamless unit with almost no gap. This attention to detail showcases our craftsmanship, dedication and engineering, Highlighting that every aspect has been thoughtfully considered.

The front baffle features a backward tilt angle, allowing sound waves from the four front speaker units to reach the listening area simultaneously. With the woofer positioned closest to the audience, and the tweeter situated the farthest away, this design is both practical and user-friendly. It's particularly well-suited for delivering high-fidelity music, enhancing the overall listening experience.

While right-angle speakers often convey a clear, clean, and robust impression; and are a favorite among many consumers. The engineers at Aperion sought something different, starting with the Verus series. They wanted to break away from the norm and innovate in their designs. This ambition led to the bold choice of a cabinet with a more pronounced slope, giving the speakers a fresh visual appeal.

In developing the Grandis Hi-Fi speaker series, Aperion prioritized the harmonious connection between visual aesthetics and sound experience. Compared to their right-angle counterparts, the lines of the arc-shaped speakers appear softer and more rounded, creating a visual that beautifully complements the warm, rich, and clear sound quality that the Grandis towers deliver. For those who seek a comfortable and inviting sensory experience, the Grandis high-fidelity speakers are undoubtedly an ideal choice.

To protect the speaker's drivers from accidents, pets or curious fingers, the Grandis line sports a lightweight yet strong magnetic grille which can easily be removed when you want to show off your beautiful speakers to friends and family.

We designed and customized these outriggers to match the sound quality and beautiful looks of our Grandis HiFi Tower Speakers. This new design delivers better stabilization, enhanced acoustical isolation, and brings the Grandis HiFi Loudspeakers to the true audiophile realm.

We are excited to introduce a brand new gold-plated logo design this time around. This fresh look not only epitomizes the pinnacle of luxury and bespoke craftsmanship but also features an enlarged size that truly stands out. This enhancement makes the logo more striking and clearly reflects our high aspirations and expectations for the Grandis series. We envision it shining brightly in the market, just like this stunning new logo.

Five (5) year warranty on cabinets, crossovers, and drivers, with lifetime customer support.

Grandis Manual