Category: Amplifiers

Space, weight, power efficiency and reliability are constant constraints in yacht design. For AHT Marine, a technology integration firm with more than two decades of experience in the marine sector, those constraints increasingly shaped decisions around audio amplification. Over the past year, AHT Marine has moved toward standardizing on amplification from Powersoft for its yacht projects, citing power density, network compatibility and long-term reliability as the primary drivers.

Founded in 1996 as Advanced Home Theater, AHT Marine has built a global reputation designing and integrating high-end entertainment, control and automation systems across residential, commercial and marine environments. In the yacht market, the firm delivers complete technology ecosystems, including audio, video, lighting, environmental control, IT networks, communications and security, often within extreme physical and operational limits.

One of the most significant factors behind AHT Marine’s decision to utilize Powersoft was the relationship between amplifier output and physical footprint. On yachts, equipment racks are often fixed early in the design process and cannot be expanded later without structural changes. The electrical rooms and audiovisual spaces also share volume with mechanical systems, storage and service access, leaving little flexibility for larger hardware. As a result, every rack unit must deliver maximum usable power without increasing rack height, weight or cooling requirements. Amplifiers that require multiple rack spaces to achieve higher output can quickly exceed available capacity, forcing additional racks or compromises elsewhere in the system. For AHT, selecting a platform that delivered high power density in a consistent 1U form factor allowed system designs to meet performance targets while staying within the physical and regulatory limits imposed by yacht construction.

“What we like about Powersoft is that we can get the wattage we need in a 1U configuration,” Al Reinhard, principal for AHT Marine. “Space is always a major consideration on yachts. With this platform, we can do more with less rack space.”

Using 1U amplifiers instead of larger multi-channel 2U models cuts rack space needs in half. On a recent yacht project, AHT specified approximately 64 amplifiers. If those units had required 2U each, the system would have consumed an additional rack and a half of space, which was space the vessel simply did not have.

The ability to select different power levels within the same physical format was equally important. With output options ranging from roughly 1,000 watts to 8,000 watts per unit, AHT Marine can match amplifier power to specific loudspeaker requirements without changing chassis size or rack layout.

Powersoft’s Unica amplifier platform proved to be a strong fit for these constraints. With rack space fixed early in the build process and little opportunity for expansion, AHT Marine needed an amplifier that delivered high output without increasing rack height, heat load or system complexity. Unica addressed those constraints by combining high-channel-count amplification, onboard DSP and network connectivity in a 1RU chassis, allowing AHT to consolidate processing and amplification while keeping rack density under control.

Each Unica model integrates advanced DSP functionality, allowing filtering, limiting, time alignment and system protection to be handled directly at the amplifier level. The approach simplified signal flow and reduced potential failure points, a priority in marine environments where access to equipment can be limited once a vessel is underway. As Reinhard noted, “All of it is AES67, so it blends perfectly with our existing systems. We use audio over IP across our projects, and compatibility is not optional.”

The network compatibility strengthened Unica’s fit within AHT Marine’s broader system architecture, where audio distribution must coexist with control, monitoring and IT systems on shared infrastructure. At the same time, Unica’s third-generation architecture supports a high signal-to-noise ratio, allowing AHT to maintain consistent audio quality across owner suites, guest areas, outdoor decks and crew spaces, despite their differing acoustic demands.

Powersoft Unica’s efficiency played an equally important role in the decision. Unica’s redesigned output stage and power supply minimize energy loss as heat, reducing electrical demand and easing thermal stress in tightly packed racks where airflow is often restricted by yacht design. “They’re extremely efficient in terms of power consumption,” Reinhard explained. “That’s critical on a yacht. The device’s weight is another major consideration because anything excessively heavy can push a yacht into a different classification, which has real regulatory and cost implications.” By lowering both power consumption and heat output, AHT Marine was able to meet performance requirements without introducing additional cooling demands or regulatory risk.

The reliability remained a non-negotiable factor. Yacht owners and charter clients expect uninterrupted performance, particularly when vessels are leased for weeks at a time at premium rates. “When an owner is on board, everything has to work,” said Reinhard. “If audio fails during a charter, that becomes a serious issue for the owner, the captain and the engineer.” AHT Marine’s previous experience with other manufacturers highlighted the consequences of equipment failure in these environments, while its ongoing deployments of Unica have reinforced confidence in long-term system stability.

Support responsiveness further influenced the decision to standardize. AHT views key manufacturers as partners in its projects, particularly when custom requirements arise. In one instance, Unica amplifiers needed to be flush-mounted in racks that differed from standard configurations. Powersoft engineered and delivered a custom mounting solution in a short timeframe, allowing installation to proceed without redesigning the rack layout. “That level of responsiveness matters when you’re working within tight construction schedules and limited space,” the team said.

After roughly a year of active deployment across multiple yacht projects, AHT Marine has continued to expand its use of Unica amplification. The combination of compact form factor, scalable power options, onboard DSP, network compatibility and manufacturer support has led AHT Marine to standardize the platform across its marine portfolio.

“We’re very loyal once we find something that works,” said Reinhard. “Our clients are at the upper echelon, and they don’t have time for problems. Working with companies that understand our business and our constraints is the most important part of selecting a partner.”

For AHT Marine, Unica has become a valuable foundation for delivering consistent, reliable audio performance across some of the most demanding yacht installations in the world.