HiFi Rose RA280 Integrated Amplifier - Dreamedia AV
Vendor: Hifi Rose

HiFi Rose RA280 Integrated Amplifier

Class AD Integrated Amplifier with GaN FET
$2,995.00
$2,995.00

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HiFi Rose RA280 Integrated Amplifier

Elevate Your Listening Experience with HiFi Rose RA280

When it comes to the world of high-fidelity audio, the HiFi Rose RA280 Integrated Amplifier isn't just a component—it's a centerpiece. Crafted for the connoisseur, the RA280 embodies the pinnacle of audio engineering, blending innovative technology with an elegant design that demands attention.

Uncompromising Sound Quality

The HiFi Rose RA280 is designed to deliver an audio experience that's as close to perfection as possible. At the heart of this amplifier is the revolutionary Class AD technology, enhanced by next-generation GaN FETs. This fusion not only ensures impressive efficiency but also offers a more refined and powerful sound.

Power and Precision

  • Output Power: Delivering 250 watts per channel into both 8 ohms and 4 ohms, the RA280 has the capability to drive even the most demanding speakers with ease.
  • Frequency Response: With a frequency response extending from 10Hz to 66kHz, the amplifier reveals the finest details in your music, from the deepest bass to the highest treble notes.

Advanced Amplifier Technology

  • GaN FET Technology: The cutting-edge Gallium Nitride FETs provide a faster switching speed and less heat, resulting in a more dynamic and detailed sound.
  • LC Filtering: A two-stage LC filter significantly reduces carrier noise, ensuring that your music is crystal clear.

Exquisite Design and Build

Crafted with a robust aluminum chassis, the RA280 is not only built to last but also to impress. The sleek lines and available finishes in Silver or Black complement any decor, making it a statement piece in your home theater or listening room.

Attention to Detail

  • Chassis Material: The aluminum build provides a sturdy foundation that resists vibrations, allowing the audio circuitry to perform optimally.
  • Heat Dissipation: Top-mounted vents ensure that the RA280 remains cool, preserving the integrity of your sound over extended listening sessions.

Personalize Your Sound

The RA280's front-panel bass and treble tone controls allow you to tailor the sound to your room's acoustics and your personal preferences. Whether you prefer a warm and rich sound or a bright and detailed presentation, the RA280 adapts to your taste.

Tone Control

  • Bass (100Hz): Adjust the lower frequencies up to +/-15dB to add depth and impact to your music.
  • Treble (10kHz): Fine-tune the higher frequencies by +/-15dB to achieve the perfect balance of brightness and clarity.

Comprehensive Connectivity

The RA280 is equipped with a variety of inputs and outputs to accommodate all your audio sources and speakers. Whether you're connecting a turntable, CD player, or streaming device, the RA280 has you covered.

Input/Output Highlights

  • Balanced XLR and Unbalanced RCA Inputs: For noise-free signal transmission from high-end audio sources.
  • Phono Input: A built-in Moving Magnet (MM) phono stage for your beloved vinyl records.
  • Subwoofer Output: Integrate a subwoofer for additional bass extension with an active crossover.

Intuitive Controls

The front panel of the RA280 is thoughtfully arranged, featuring tactile controls and VU meters that not only provide functionality but also add to the aesthetic appeal. Adjust volume, select your input, and fine-tune your sound with ease.

Front Panel Features

  • VU Meters: Monitor the output levels with the classic analog visual appeal.
  • Input Selector and Volume Control: Choose your audio source and set the volume with precision.

Premium Power Supply

The RA280's power supply is a testament to HiFi Rose's commitment to quality. Silicon Carbide FET technology and a 2.5kW class PFC circuit ensure that the amplifier has a stable and abundant power reserve, translating into an authoritative and dynamic performance.

Power Specifications

  • Maximum Power Output: A substantial 500 watts ensures that your music is delivered with vigor.
  • Voltage: AC100-240V compatibility for global use.
  • Standby Mode Power Consumption: Less than 0.5 watts for energy efficiency.

Advanced Features for the Audiophile

The RA280 isn't just about powerful performance—it's also about the subtleties that refine your listening experience. From the motorized remote control to the system protection features, every aspect has been considered to deliver a user-friendly experience without compromising on quality.

Additional Features

  • Motorized Remote Control: Adjust volume and settings from the comfort of your listening position.
  • System Protection: A resettable breaker protects the amplifier from power surges and other electrical anomalies.

Pros

  • Elegant Industrial Design: A visual and tactile pleasure that enhances any room.
  • Innovative Amplifier Technology: Superior sound with improved efficiency.
  • Customizable Sound: Tailor the audio experience to your preference.
  • Versatile Connectivity: Ready to integrate with a wide range of audio sources.
  • High-Quality Power Supply: Designed for efficiency and stability.

Your Audio, Your Way

The HiFi Rose RA280 Integrated Amplifier is more than just a device; it's the heart of your home audio system. It's where power meets precision, design meets durability, and technology meets tradition. With the RA280, you're not just listening to music; you're experiencing it in its purest form.

Dreamedia: Your Home Theater Architects

At Dreamedia, we understand the allure of perfect sound. Our experts are ready to design your home theater system around the HiFi Rose RA280, ensuring you achieve the aural nirvana you deserve. Let us help you craft an environment where every note resonates with clarity and emotion.

Elevate the audio experience with HiFi Rose RA280's cutting-edge Class AD amplification, delivering a powerful 500W of pure, refined sound in an elegantly designed chassis that complements any modern listening space.

Our Review

HiFi Rose RA280 Integrated Amplifier Review

The HiFi Rose RA280 integrated amplifier strides into the high-fidelity audio market with a promise of marrying elegance with cutting-edge technology. This review delves into the product's design, performance, and overall value to determine whether it stands out in a competitive landscape brimming with premium audio solutions.

Design and Build Quality

At first glance, the HiFi Rose RA280 impresses with its industrial chic, sporting a sturdy aluminum chassis that exudes a modern aesthetic. The top-mounted vents not only enhance its sleek appearance but also play a crucial role in heat dissipation, ensuring the unit remains cool even during extended listening sessions. The build quality is reassuring, with a heft of 9.5kg that speaks to the robustness of the materials used.

Core Technology and Performance

The RA280's heart is its innovative Class AD amplifier technology, featuring GaN FETs, a choice that promises high efficiency and reduced distortion. With a power output of 250W per channel at both 4Ω and 8Ω, the RA280 is equipped to drive a wide range of speakers with ease, delivering dynamic and powerful audio reproduction. The frequency response stretches from 10 Hz to 66 kHz, suggesting an amplifier that can handle subtle details and soaring highs without breaking a sweat.

Connectivity and Versatility

In terms of connectivity, the RA280 offers a generous selection, including one balanced and three unbalanced inputs, catering to various source components. The inclusion of a Moving Magnet (MM) phono stage and a subwoofer output underscores the amplifier's versatility, making it a compelling centerpiece for any audiophile's setup. Whether integrating turntables or adding depth with a subwoofer, the RA280 is designed to accommodate.

Sound Quality

The sound quality of the RA280 benefits significantly from the two-stage LC filter, which purports to minimize carrier noise for a cleaner sound profile. This technical prowess translates into an auditory experience that is both pristine and engaging. The front-panel bass and treble tone controls offer users the flexibility to tailor the sound to their preferences or to compensate for any acoustical shortcomings in their listening environment.

Power Supply and Efficiency

Powering this sonic behemoth is a state-of-the-art power supply that utilizes Silicon Carbide FET technology and a 2.5kW class PFC circuit. This advanced power supply design not only ensures that the RA280 operates efficiently but also provides a stable electrical foundation that can only benefit audio performance.

Ease of Use

Despite its technical complexity, the RA280 manages to remain user-friendly with intuitive front-panel controls. The physical footprint and weight, while substantial, are in line with the expectations for an amplifier of this caliber and should be considered when planning the setup or integration into an existing system.

Value Proposition

Priced at £2,999, the RA280 sits in a competitive bracket where discerning ears demand exceptional performance for their investment. When compared to its peers, the RA280 offers a compelling mix of design, technology, and sound quality that could justify its price tag for many audiophiles.

Pros and Cons Recap

Pros:
- Elegant, modern design with a high-quality build.
- Advanced Class AD amplifier technology for efficient and high-quality sound.
- Comprehensive connectivity options, including a built-in MM phono stage.
- Tailorable sound with tone controls for a personalized listening experience.
- Efficient and stable power supply design.

Cons:
- The weight may be a concern for some users.
- Limited availability might be an issue for potential buyers in certain regions.

Final Thoughts

The HiFi Rose RA280 stands as a testament to audio innovation, blending aesthetic appeal with technological sophistication. Its performance and versatility make it a noteworthy contender in the realm of integrated amplifiers. Potential buyers with the budget and desire for a state-of-the-art audio experience will find the RA280 to be a worthy consideration, though they should be mindful of its physical heft and regional availability when making their decision.

Specifications

General Specifications

  • Amplifier Type: Integrated
  • Output Power (per channel into 8 ohms): 250 watts
  • Output Power (per channel into 4 ohms): 250 watts
  • Amplifier Class: Class AD
  • Operation: Class D

Front Panel

  • Controls: VU Meters, Bass and Treble Tone Controls, Power Switch, Input Selector, Volume Control
  • Input/Output: Headphone Output

Rear Panel

  • Inputs: 3 sets of single-ended RCA, 1 set of balanced XLR, MM phono input
  • Outputs: Subwoofer Output

Audio Performance

  • Analog Filtering: -1dB up to 65kHz, -3dB around 85kHz
  • Silicon Carbide FET Technology: Yes
  • High Voltage Support: Yes
  • Heat Resistance: Yes
  • Efficient Power Output: Yes

Connectivity

  • Unbalanced Line-Level Inputs: 3 pairs
  • Balanced XLR Inputs: 1 pair
  • Phono Input: Moving Magnet (MM)
  • Speaker Terminals: 2 pairs
  • Subwoofer Output: Yes

Design and Build

  • Chassis Material: Aluminium
  • Chassis Colors Available: Silver, Black
  • Heat Dissipation: Vents on top panel

Power Specifications

  • Maximum Power Output: 500 watts
  • Voltage: AC100-240V, 50/60Hz
  • Standby Mode Power Consumption: <0.5 watts

Input Sensitivity

  • Balanced Input: 600mV
  • Unbalanced Input: 600mV
  • Phono Input: 5mV / 0.5mV

Impedance

  • Balanced Input: 44kΩ
  • Unbalanced Input: 47kΩ
  • Phono Input: 47kΩ
  • Speaker Output: 53MΩ

Frequency Response

  • Speaker Output: 20Hz - 20kHz
  • H/F Speaker Output: 10Hz - 66kHz

Total Harmonic Distortion

  • Balanced & Unbalanced Input: 0.007%

Signal to Noise Ratio

  • Balanced Input: 103dB
  • Unbalanced Input: 103dB
  • Phono MM Input: 85dB

Damping Factor

  • Speaker Output: >250

Tone Control

  • Bass (100Hz): +/-15dB
  • Treble (10kHz): +/-15dB

Additional Features

  • GaN FET Class AD Topology: Yes
  • Balanced Power Supply: Yes
  • MM/MC Phono Stages: Built-in
  • Variable EQ Tone Control: Yes
  • Level Meters: Yes
  • Motorized Remote Control: IR
  • Subwoofer Out & Active Crossover: Yes

Design & Build Quality

  • Finish Options: Black, Natural Metal
  • Remote Control Features: Volume, Mute, Power Buttons
  • Speaker Terminals: High-quality
  • Subwoofer Output: Mono Full-range RCA
  • Power Connector: IEC