HiFi Rose · Integrated Amplifiers
RA280 Integrated Amplifier
The RA280 is a stereo amplifier with GaN FET Class D amplification, 250 watts x 2, an MM phono input, tone controls, a subwoofer output, and illuminated analog level meters.
fig. 01 · integrated amplifiers
RA280 Integrated Amplifier
HFRIARA280SLV
current
6 photographs · 5 shown
From HiFi Rose
The RA280 brings Rose's GaN FET amplifier design into a simpler stereo layout, putting out 250 watts x 2. It has a balanced input, 3 line-level RCA inputs, a moving-magnet phono input, bass and treble controls with a tone bypass switch, a subwoofer output, and illuminated analog level meters.
Specifications
| Size: | 16.9” W x 13.98” D x 4.06” H |
|---|---|
| Weight: | 20.94 lbs |
| Body: | Solid Aluminum, Rust-proof Steel |
| FTC Power Output Rating (RMS): | 250W x 2ch (8Ω, 20Hz-20kHz, THD 0.07%) |
| Frequency Range: | 10Hz~80kHz (8Ω, 1W) |
| Load Impedance: | 8Ω |
| Mono: | 1Wrms (2.218 dBu) |
| Balance Input: | 600mV (≈ 250W x 2ch) |
| Unbalance(Line1,2,3) Input: | 47kΩ |
| Phono(MM) Input: | 5mV (≈ 250W x 2ch) |
| 20Hz ~ 20kHz: | +0, 0dB (≈ 1W x 2ch, 8Ω Speaker Output) |
| 10Hz ~ 66kHz: | +0, -1dB (≈ 1W x 2ch, 8Ω Speaker Output) |
| 10Hz ~ 85kHz: | +0, -3dB (≈ 1W x 2ch, 8Ω Speaker Output) |
| Balance & Unbalance(Line1,2,3) Input: | 0.05% (8Ω, 1W to 250W, 1kHz) |
| Speaker Output: | 30mΩ (≈ 250W x 2ch) |
| Balanced / Unbalanced / Phono(MM): | 109dB / 109dB / 85dB (≈ 250W x 2ch) |
| Bass(100Hz) / Treble(10kHz): | ±15dB (≈ 1W x 2ch, Speaker Output) |
| Turnover: | 500Hz (+13dB@100Hz) (≈ RIAA) |
| Roll-off: | 2.1kHz (-13.74dB@10kHz) (≈ RIAA) |
| Output Power: | 500W (SMPS) (+ Maximum Output: 600W) |
| Input Voltage: | AC100-240V, 50/60Hz (Standby Mode Power Consumption < 0.5W) |
| Trigger In: | Voltage can be turned on 3.3V~ 12V |
| Trigger Out: | Voltage can be turned on 12V |
| IR Input: | 38kHz Infrared Ray (Within 10m of Operating Distance) |
| Product type | integrated amplifier |
| Amplifier design | Class D amplification with GaN FETs |
| Power output | 250 watts x 2 into 8 ohms; 250 watts x 2 into 4 ohms |
| Phono stage | moving magnet |
| Subwoofer output | mono RCA output |