Rotel RMB-1555 Multi-Channel Power Amplifier
The RMB-1555 is a remarkable multichannel amplifier with power output conservatively rated at 120 Watts per channel into 8 ohms (all channels driven!). With all but the most demanding speakers located in extraordinarily large rooms, the RMB-1555 exerts the kind of precise control that presents both nuance and bombast correctly from the faintest flute overtones to the subterranean rumble of an approaching apocalypse.
The RMB-1555 employs a high current, toroidal transformer matched to discrete output transistors with their higher thermal stability and freedom from the designed-in compromises that characterize their integrated circuit cousins. The Class AB amplifier configuration assures the best balance between power output and thermal efficiency.
Key Features
- 5 x 120 Watts of robust power
- Class AB amplifier design
- High quality slit foil capacitors made in Britain
- Rack ears included
- 12 volt trigger input
Engineered with Care
| Amplification | |
| Amplifier Class | AB |
| Continuous Power Output | 120 W/Ch (All Channels Driven, 8Ω) |
| Total Harmonic Distortion (THD) | 20 Hz – 20 kHz <0.03% |
| Frequency Response | 10 Hz - 100 kHz +0.5, -3 dB |
| S/N Ratio (IHF "A" Weighted) | 116 dB |
| Gain | 26.5 dB |
| Intermodulation Distortion (60 Hz:7 kHz, 4:1) | <0.03% |
| Damping Factor | 180 |
| Speaker Impedance | 4Ω Minimum |
| Input Sensitivity | 1.5 V |
| Input Impedance | 12 kΩ |
| Dimensions & Weight | |
| Dimensions (W x H x D) | 431 x 188 x 454 mm (17" x 7.5" x 17.9") |
| Front Panel Height | 4U / 176.8 mm (7") |
| Power Requirements | 230 V, 50 Hz |
| Power Consumption | 650 W |
| Standby Power Consumption | 0.5 W |
| Net Weight | 21.8 kg (48 lb) |
| BTU Rating (4Ω, 1/8th Power) | 1683 BTU/h |
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