Power amplifiers stereo — Rotel RMB-1585

The RMB-1585 is a comprehensive five-channel power amplifier from Rotel, built with substantial output power and considerable mass. The RMB-1585 brings Rotel's value-focused engineering to serious multichannel power amplification.

Key specs that matter

Input sensitivity is 3,800mV via XLR or 1,900mV via RCA, with input impedance at 100,000 ohms balanced or 12,000 ohms single-ended. Output power is 5 x 200W into 8 ohms, rising to 5 x 310W into 4 ohms - a substantial five-channel configuration. Gain is 26.5dBu. Frequency response spans a wide 10Hz to 100,000Hz within plus-or-minus 3dB. Signal-to-noise ratio is 116dB, with total harmonic distortion plus noise under 0.03% at 100% global feedback. Maximum power consumption is a substantial 1,100W. Damping factor is 260. At 431 x 237 x 454mm and 36kg, the RMB-1585 represents a serious multichannel commitment reflecting Rotel's value-focused engineering standards.

Sound and use context

Expect comprehensive, capable multichannel amplification reflecting the substantial 5 x 310W-into-4-ohms output, well suited to demanding home-theatre configurations requiring five equal, capable channels.

Pairing

The five equal, substantial channels suit demanding multichannel home-theatre configurations requiring consistent power across all speakers.

Alternatives

Rotel's own RB-1552 MkII offers a more compact two-channel alternative within the same broader catalogue.