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Comparison Marantz PM-KI Ruby and Rotel RB-1552 MkII

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Marantz PM-KI Ruby Marantz PM-KI Ruby
Rotel RB-1552 MkII Rotel RB-1552 MkII
Marantz PM-KI Ruby Rotel RB-1552 MkII
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from $900.00 up to $972.00
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Device typeintegrated amplifieramplifier
Element basetransistortransistor
Toroidal transformer
Amplifier parameters
Number of channels22
Frequency range5 – 50000 Hz
4 – 100000 Hz /+0.5 дБ, -3 дБ/
Power per channel (8Ω)100 W120 W
Power per channel (4Ω)200 W
Signal to noise ratio107 dB
Signal-to-noise ratio (Main)120 dB
Signal to noise ratio (Phono MM/MC)88 / 75 dB
Damping factor500500
Harmonic distortion0.02 %0.03 %
Channel sensitivity / impedance
Balanced XLR input
 
 
2500 mV
50 kOhm
Line input
220 mV
13 kOhm
1500 mV
12 kOhm
Main input
1.1 V
13 kOhm
 
 
Phono MM/MC
2.3 / 0.25 mV
39 / 0.1 kOhm
 
 
Connectors
Inputs
Phono
control input (IR)
 
 
To amplifier (Main)RCARCA/XLR
RCA5 pairs
Trigger1 шт1 шт
Outputs
Pre-Amp /two pairs/
control output (IR)
 
 
For acoustics2 шт4 шт
Trigger output1 шт1 шт
On headphones6.35 mm (Jack)
Front panel
display
headphone output
 
 
Features
Adjustments
bass control
treble adjustment
balance adjustment
level adjustment
 
 
 
 
More features
By-pass/Direct
auto power off
ММ phono stage
 
 
external devices control
By-pass/Direct
 
 
additional speaker connect
Bi-Wiring
 
General
Remote control
PSUinternalinternal
Power consumption130 W400 W
Standby consumption0.2 W3 W
Dimensions (WxDxH)440x453x127 mm431x340x144 mm
Weight15.7 kg
14.3 kg /with packaging/
Added to E-Catalogdecember 2018february 2015
Marantz PM-KI Ruby often compared
Rotel RB-1552 MkII often compared