High Points• Dollar for dollar, the power you get with the Rotel RBM-1575 makes it a killer value. It cannot be compared with even the best AV receivers as it has so much more power. It is clearly a step above.
• The "quiet" or low distortion sound of the amp is truly alluring for music lovers and movie enthusiasts alike, especially with the new HD audio codecs from Blu-ray.
• The casework on the Rotel RMB-1575 is gorgeous, comparing with the best in the business.
• The Rotel RMB-1575 runs cool as a cucumber compared to traditional amps
Low Points• Class-D "digital" amps have tons of power and run quietly and cool. However, they tend to lack the heft on the low end that you get from the best Class-AB amps, such as a Krell or even a comparably-priced ATI. Those amps are far heavier, larger and run much hotter, often with more distortion, yet there is no question as to the difference in sound. It is not a "one is better than the other" valuation. Class-D amps just sound different than traditional Class-AB amps.
Rotel is back with another winner with the RBM-1575 five-channel Class-D digital amp. It is a good-looking contender that is the logical companion to today's latest AV preamps with the power needed to blow away even the best, most expensive AV receivers, especially on audiophile sources like DVD-Audio and SACD and, even more dramatically, on HD audio sources from Blu-ray.by jerry colliano
|Power Output |
All channels driven
|250 Watts x 5ch (20-20 kHz, 0.03% THD, 8 ohms)|
500 watts x 5ch (20-20 kHz, 0.03% THD, 4 ohms)
|THD (20-20,000Hz) 8 ohms, all channels driven||< 0.03%|
|IM Distortion||< 0.03%|
|Damping Factor (8 ohms)||400|
|Input Sens. / Impedance||1.5 V / 8.3 k ohms|
|Frequency Response (+/-1 dB)||10 - 80 kHz (+3dB)|
|S/N Ratio (IHF A)||109 dB|
|Power Consumption||600 Watts|
|Dimensions (W x H x D) mm||431 x 144 x 407 mm|
|Dimensions (W x H x D) in.||17 x 5 5/8 x 16 in|
|Front Panel Height||3U / 132.6mm / 5 2/8 in|
|Weight (net)||11 kg, lb.|