Rotel RB-1581 Monoblock Power Amplifier

$2,699 $2,999
By Rotel

Description

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.

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

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. Everything about the RB-1581 amplifier speaks of performance including the 4mm extruded aluminum top and side covers. The elegance of the industrial design, globally sourced sonic electronic components, Rotel signature DNA musical reproduction and factory built precision make this amplifier product to wear the Rotel brand. The RB-1581 is ideal for both 2 channel stereo applications as well as multi-channel installation in custom home theaters. Power, performance, precision. The RB-1581 is vailable in both Black and Silver finishes.

Specifications:

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 & Power
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 lbs.)