Description
RB-1552 MkII
RB-1552 MkII is built upon the same platform as the RB-1582 MkII with only a slightly smaller power output capability at 2 x 130 Watts.
The RB-1552 MkII is a 130 Watt per channel class AB amplifier. It is engineered to be powerful and robust, yet able to extract every last nuance out of even the most complex musical score.
Notable features of the amplifier include independent left and right power rectification stages and decoupling. The layout is essentially a mono block design. Further evidence of design over-spec is in the selection of premium “slit-foil” capacitors, which provide plenty of reserve energy for extremely dynamic audio passages and are able to quickly replenish themselves due to the nature of their unique design. Input options are balanced XLR or unbalanced RCA connectors.
The RB-1552 MkII stereo amplifier has been engineered to provide high-resolution audio performance, yet it is very affordable, as has been the tradition with Rotel electronics for over 50 years.
Dimensions (W × H × D)
431 × 144 × 339 mm
17″ × 5.7″ × 13.4″
Front Panel Height
3U / 132.6 mm (5.25″)
Power Requirements
120 V, 60 Hz
Power Consumption
400 W
Standby Power Consumption
0.5 W
Net Weight
12.4 kg (27 lbs.)
BTU Rating (4 Ω, 1/8th power)
905 BTU/h
Power Output
130 W/Ch (8 Ω)
185 W/Ch (4 Ω)
Total Harmonic Distortion (THD)
(20 Hz – 20k Hz) < 0.03%
Frequency Response
10 Hz – 100k Hz ± 0.5 dB
S/N Ratio (IHF “A” Weighted)
120 dB
Gain
RCA: 26.5 dB
XLR: 22.5 dB
Intermodulation Distortion (60 Hz : 7k Hz, 4:1)
< 0.03%
Damping Factor
450
Speaker Impedance
4 Ω minimum
Input Sensitivity
Line Level Inputs (RCA): 1.5 V
Line Level Inputs (XLR): 2.5 V
Input Impedance
Line Level Inputs (RCA): 12k Ω
Line Level Inputs (XLR): 100k Ω
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