Our Take
The HiFi Rose RA280 Integrated Amplifier exemplifies the seamless blend of advanced technology and elegant design, crafted to deliver an unparalleled audio experience. Building on the legacy of its predecessor, the RA180, this new model integrates the revolutionary Advanced Class D amplification technology to offer both high efficiency and superior sound quality.
Product Details
HiFi Rose redefines digital amplification with the RA280’s Advanced Class D technology, featuring next-generation GaN (gallium nitride) FETs. This breakthrough innovation surpasses traditional Class D amplifiers, delivering sound quality comparable to analog while maintaining superior efficiency and power. The RA280 achieves near-perfect linear output with minimal distortion, ensuring smooth, natural sound reproduction. Covering a wide frequency range from 20 Hz to 100 kHz, the RA280 faithfully renders every audio detail, creating a truly immersive and realistic listening experience.
Tech Specs
| Size | 363mm (W) x 430mm (D) x 123mm (H) |
| Weight | 20kg |
| Body | Solid Aluminum, Rust-proof Steel |
| Amplifier Output | 4Ω:250W x 2ch (500W) 8Ω: |
| Sub Woofer Output Mono: Balance Input: | 1Wrms (2.218 dBu) 600mV (≈ 250W x 2ch) |
| Input Sensitivity Unbalance(Line1,2,3) Input: Phono(MM) Input: | 600mV (≈ 250W x 2ch) 5mV (≈ 250W x 2ch) |
| Speaker Output: | >250 (≈ 250W x 2ch) |
| Output Impedance Speaker Output: | 30mΩ (≈ 250W x 2ch) |
| Recommended Amplifier Requirements | 40 - 120 W |
| Roll-off: | 2.1kHz (-13.74dB@10kHz) (≈ RIAA) |
| Power Output Power: Input Voltage: | 500W (SMPS) (+ Maximum Output: 600W) AC100-240V, 50/60Hz (Standby Mode Power Consumption < 0.5W) |
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