Feb 28, 2020
Read MoreYamaha A-S501 vs Marantz PM6006 review
Marantz PM6006 review
The power of the amp is 40W per channel at 8 ohms. At the same time Yamaha has 85W (8 Ohms). The model uses current feedback, which helps to minimize distortion, expand the frequency range, obtain excellent transient characteristics and, in combination with a powerful PSU, ensure reliable operation even with capricious speakers in terms of impedance. The preliminary and final stages of this unit are assembled on discrete elements, and there are no microcircuits on the signal path. 
Yamaha A-S501 review
The amplifier model was designed in accordance with the principle of ToP-ART (Total Purity Audio Reproduction Technology). Thus, the circuitry of the right and left channels completely repeat one another. A-S501 has a special anti-resonance base ART Base, as well as an additional massive jumper in the center of the case, which reduces possible vibrations. It should also be noted that the A-S501 volume control moves extremely smoothly and does not cut the frequencies even at the lowest volume. 
Marantz PM6006 pros & cons
Pros
- Marantz has a fundamental understanding of what looks good, especially when you stack a PM6006 on it and make your other friends jealous
- iDevice Management
Cons
- I've had issues with volume control because the remote is too sensitive and makes it difficult to fine-tune the volume
Yamaha A-S501 pros & cons
Pros
- There's a mode where you can even bypass the filters and switches for even higher fidelity sound
- It can drive 4 ohm speakers without destroying the amp, which is pretty impressive
- There's actually a switch in the back for that with a 4 ohm label, so you know it's not just hype
Cons
- If the unit was turned off, a relay would randomly click inside, sometimes within minutes or even seconds
Yamaha A-S501 vs Marantz PM6006
Yamaha and Marantz
a-s501.jpg
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Common
Product
Yamaha A-S501
Marantz PM6006
Model
A-S501
PM6006
Brand
Yamaha
Marantz
Reviews
378
246
Amplifier
Channels
2
2
Power output (RMS), W/Ohm
170/8, 200/6
90/8, 120/4
Power output per channel, W/Ohm
85/8, 100/6
40/8, 55/4
Output Impedance, Ohm
8,6
8,4
Frequency response
10Hz-100KHz
10Hz-70KHz
THD in stereo, %
0.01
0.08
Signal-to-noise ratio, dB
99
83
Audio features
Digital to analog converter (DAC)
CS4398 192 KHz/24-bit
Speaker A/B switching
Pure direct mode
Connectivity
Wi-Fi
Bluetooth
Ethernet (RJ45)
Control
Bass
Treble
Balance
Remote control
Extensive connection
Optical digital input/output
1/0
2/0
Coaxial digital input/output
1/0
1/0
Phono (MM) input
1
1
Subwoofer output
1
0
Headphone outputs
1
1
USB
1
0
Preamplifier outputs (pair)
0
0
Main inputs (pair)
0
0
Line level inputs (pair)
8
5
XLR inputs (pair)
0
0
Record outputs (pair)
2
1
DC trigger output (12V)
0
0
Remote control input/output (IR)
0/0
1/1
RS-232
0
0
Additional features
Auto power off
Built-in display
Power
Power consumption, W
240
395
Power consumption standby, W
0.5
0.3
Dimensions
Size W x H x D, cm/inches
43.5 x 15 x 38.7/17.1 x 6 x 15.2
43.9 x 10.4 x 37/17.3 x 4.1 x 14.6
Weight, kg/lbs
10.3/22.7
7.8/17.2
Other
Release year
2014
2016
Integrated amplifiers CHooseratoR comparison rating
- 8.7Yamaha A-S501
- 7.7Marantz PM6006
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