AGD Productions Unveils Gran Vivace MKIV and GaNTube120KT MKIV Amplifiers

Elevate your audio experience with AGD’s latest Gran Vivace MKIV and GaNTube120KT MKIV featuring cutting-edge GaN technology and refined sound clarity.

A New Chapter in High-End Amplification

If you’ve been following the evolution of high-fidelity amplifiers, AGD Productions’ latest announcement is nothing short of thrilling. The Gran Vivace MKIV monoblock amplifiers arrive as the next leap forward, paired with the all-new GaNTube120KT MKIV—AGD’s fourth-generation GaN-based power stage. This isn’t just an upgrade; it’s a sonic revolution crafted for audiophiles who crave speed, precision, and musical authenticity.

The Heart of Innovation: GaNTube120KT MKIV

At the core of this powerhouse is the GaNTube120KT MKIV, a marvel of engineering that houses the entire Class-D output stage inside AGD’s distinctive glass enclosure. This design choice isn’t just about aesthetics—it dramatically reduces parasitic interference and elevates signal integrity. The result? A pure, unblemished audio path that translates to an immersive listening experience.

The MKIV’s new generation High-Voltage GaN HEMT architecture pushes the boundaries of speed and linearity, while an improved low-noise linear regulation stage keeps distortion to a whisper. Coupled with an advanced thermal management system, this setup ensures the amplifier performs flawlessly, even under demanding conditions, promising reliability and longevity.

Power Meets Purity: Performance Highlights

The Gran Vivace MKIV pumps out 400 watts into 4 ohms, effortlessly driving even the most challenging low-efficiency loudspeakers in sizeable listening rooms. What’s impressive is how it maintains AGD’s signature sound—natural tonal balance, crystal-clear transparency, and a holographic, three-dimensional soundstage that makes you feel as if the musicians are right there in your room.

Upgrade Options That Respect Your Investment

One of the things I personally appreciate about AGD is their commitment to sustainability and customer loyalty. Rather than forcing an all-new purchase, the GaNTube120KT MKIV is available as a direct upgrade for owners of the Gran Vivace MKII and MKIII amplifiers. This modular approach lets you inject fresh technological life into your existing rig without tossing out what you already love.

Pricing and Availability

These exciting new products are available now through AGD’s online store, with a global dealer rollout following soon. Here’s the breakdown:

• Gran Vivace MKIV Monoblock Amplifiers: $19,500 per pair
• GaNTube120KT MKIV Upgrade Module: $2,500 per pair (for existing customers)
• Power Supply Boards Upgrade: $800 per pair

Owning one of these bad boys isn’t cheap, but for enthusiasts who demand the best, it’s a worthy investment into sound that truly captivates.

Why This Matters

In the world of audio gear, incremental improvements can sometimes feel underwhelming. But with the Gran Vivace MKIV and GaNTube120KT MKIV, AGD Productions delivers a bold, noticeable leap in amplifier technology. Their innovative use of Gallium Nitride (GaN) technology inside a glass housing creates a synergy of design and sound that’s hard to ignore. If you’ve ever experienced a well-engineered Class-D amp, you’ll understand how revolutionary this new generation can be.

“These innovations deliver greater speed, lower distortion, and enhanced linearity—translating into improved transparency, dynamic control, and musical realism.” — AGD Productions

FAQ

• What is the main advancement of the Gran Vivace MKIV over previous versions?
  The MKIV introduces a new High-Voltage GaN HEMT architecture, improved thermal management, and a refined low-noise linear regulation stage for superior speed, reduced distortion, and enhanced linearity.
• Can I upgrade my existing Gran Vivace MKII or MKIII amplifier?
  Yes! The GaNTube120KT MKIV is designed as a direct upgrade module for previous owners, allowing you to benefit from the latest tech without buying a whole new amplifier.
• What is the power output of the Gran Vivace MKIV?
  It delivers 400 watts into 4 ohms, ideal for driving demanding loudspeakers with ease.
• How does the glass enclosure affect amplifier performance?
  AGD’s signature glass enclosure minimizes parasitic effects and optimizes signal integrity, leading to a cleaner and more precise audio output.
• Where can I purchase the Gran Vivace MKIV and upgrade modules?
  They are available now on AGD’s web store, with global dealers expected to stock them soon.

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