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Impartial price comparison
Rotel RB-1582 MkII vs. Roksan K3 Power Amplifier + 8
Bridgeable
No
No
No
Yes
RMS output power at 4 ohm
RMS output power at 8 ohm
800 W
Number of channels
2 ​
2 ​
1 ​
2 ​
2 ​
2 ​
7 ​
8 ​
RMS power, 4 ohm, 20Hz-20kHz (all)
220 W
1800 W
400 W
125 W
RMS power, 8 ohm, 20Hz-20kHz (all)
200 W
140 W
1080 W
80 W
130 W
220 W
150 W
125 W
Analogue RCA input (s)
2 ​
2 ​
1 ​
2 ​
2 ​
7 ​
Analogue RCA output (s)
0 ​
2 ​
0 ​
0 ​
0 ​
0 ​
Balanced input(s) (analogue)
2 ​
2 ​
1 ​
2 ​
2 ​
7 ​
Balanced output(s) (analogue)
0 ​
2 ​
0 ​
0 ​
0 ​
0 ​
Euro Block in
0 ​
0 ​
0 ​
0 ​
0 ​
Headphone output
No
No
No
No
No
No
Speaker connectors (type)
Screw / banana
Screw / banana
Screw / banana
Screw / banana
Screw / banana
Speakon out
0 ​
0 ​
0 ​
2 ​
0 ​
Tele plug 6.3mm input
0 ​
0 ​
0 ​
2 ​
0 ​
Tele plug 6.3mm output (not headphones)
0 ​
0 ​
0 ​
0 ​
0 ​
Available colours
Black, Silver
Black, Silver, Grey
Black
Black, Grey
Black, Silver
Black
Black
Dimensions (WxHxD)
Depth
406 mm
380 mm
465 mm
340 mm
220 mm
384 mm
Height
140 mm
105 mm
238 mm
144 mm
89 mm
185 mm
44.45 mm
Width
431 mm
432 mm
485 mm
431 mm
483 mm
440 mm
482.6 mm
Product weight
17.6 kg
14 kg
59.1 kg
7.3 kg
12.4 kg
3.2 kg
18 kg
4.6 kg
Features
Volume control / Gain
Amplifier class
AB
AB
AB
D
AB
D
Cache memory
No
Designed for rack mounting (1U=44mm)
3U
No
3U
2U
No
1U
Operational Power Consumption (min-max)
550 W
1200 W
400 W
12 - 180 W
880 W
Power consumption (standby)
0.5 W
0.4 W
Separate power connector (mains)
Large power inlet connector (e.g. IEC C13/C17)
Large power inlet connector (e.g. IEC C13/C17)
Large power inlet connector (e.g. IEC C13/C17)
Large power inlet connector (e.g. IEC C13/C17)
Large power inlet connector (e.g. IEC C13/C17)