Rotel RB-1581 Monoblock Power Amplifier - Black

Brand: Rotel
Product Code: ROT-RB1581-AMP-BLA
Warranty: 3 Years
$2,999.00 $2,699.00
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Rotel RB-1581 Monoblock Power Amplifier

The RB-1581 is the ultimate in Class AB power amplification delivering a massive 500 watts of output into 8 ohms. This mono block amplifier powers even the most demanding speakers yet accurately reproduces the details of your audio.

Utilizing the Rotel Balanced Design Concept in the PCB circuit layout, custom designed and Rotel factory build oversized toroidal transformer, high efficiency slit foil capacitors in the power supply and discrete power transistors the RB- 1581 is pure performance.

The RB-1581 includes a rear panel mounted mechanical switch to select Balanced XLR or traditional single ended RCA inputs for ultimate connection flexibility. There are 2 sets of 5 way speaker binding posts supporting bi-amplification. A detachable IEC power cord and selectable 12 volt trigger with daisy chain output allows custom installation with ease.

Key Features

  • 500 Watts of robust power
  • Class AB amplifier design
  • High quality slit foil capacitors made in Britain
  • Balanced XLR input
  • 12 volt trigger input

Engineered with Care

Rotel RB-1581 Monoblock Power Amplifier
Amplifier Class AB
Continuous Power Output 500 W/Ch (20 Hz-20 kHz, <0.09%, 8Ω)
Total Harmonic Distortion (THD) 20 Hz – 20 kHz <0.03%
Frequency Response 10 Hz - 100 kHz ±1 dB
Gain RCA: 32 dB, XLR: 28 dB
Intermodulation Distortion (60 Hz:7 kHz, 4:1) <0.03%
S/N Ratio (IHF "A" Weighted) 116 dB
Damping Factor 800
Speaker Impedance 4Ω Minimum/td>
Input Sensitivity Line Level Inputs (RCA): 1.6 V, Line Level Inputs (XLR): 2.5 V
Input Impedance Line Level Inputs (RCA): 12 kΩ, Line Level Inputs (XLR): 100 kΩ
Dimensions & Weight
Dimensions (W x H x D) 431 x 144 x 407 mm (17" x 5.7" x 16")
Front Panel Height 3U / 132.6 mm (5.25")
Power Requirements 230 V, 50 Hz
Power Consumption 550 W
Standby Power Consumption 0.5 W
Net Weight 17.1 kg (38 lb)
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