Feb 28, 2020
Read MoreYamaha A-S1100 vs Cambridge Audio CXA80 review
Yamaha A-S1100 review
The amplifier with 105W (8 ohms) power output per channel has the original transformer with an EI core, carefully modified for optimum compatibility with the chassis. The combination of four high-capacity carbon-clad block capacitors provides vibrant sound even at high volume, achievable only with the A-S1100. In addition, since the control amplifier and control system are equipped with twelve local shunt-type regulators, which prevent malfunctions due to current fluctuations, a clean and stable power supply is achieved. The transformer is mounted on the chassis using a brass lining that limits internal vibration, leading to noise. 
Cambridge Audio CXA80 review
The Cambridge Audio CXA 80 operates in the classic A / B class, and its output stages produce quite a bit of heat. Both channels of the CXA 80 are mounted on separate boards to eliminate crosstalk, including using individual cooling radiators (the principle of "double mono"). A large toroidal transformer is installed in the power supply of the amplifier, the design of which is optimized for use in audio technology. To supply each channel, separate secondary windings are used here. This unit has the power of 40W (8 ohms). There are two XLR inputs and USB. 
Yamaha A-S1100 pros & cons
Pros
- You will not mix up channels. The connectors are clearly separated by a central array of inputs
- Flipping the lid, you will find pedantry in the placement of components
Cons
- When suddenly you need to raise the "middle", then here you will encounter the lack of such an opportunity
Cambridge Audio CXA80 pros & cons
Pros
- It is smooth sounding and the treble and bass are very well accented
- There is the potential for scaling the system
Cons
- The toroidal transformer was loosely mounted and it shifted a little every time I picked up the unit
Yamaha A-S1100 vs Cambridge Audio CXA80
Yamaha and Cambridge Audio
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Common
Product
Yamaha A-S1100
Cambridge Audio CXA80
Model
A-S1100
CXA80
Brand
Yamaha
Cambridge Audio
Reviews
11
49
Amplifier
Channels
2
2
Power output (RMS), W/Ohm
180/8, 300/4
80/8, 120/4
Power output per channel, W/Ohm
90/8, 150/4
40/8, 65/4
Output Impedance, Ohm
8, 4
8, 4
Frequency response
5Hz-100KHz
20Hz-20KHz
THD in stereo, %
0.02
0.02
Signal-to-noise ratio, dB
100
103
Audio features
Digital to analog converter (DAC)
Wolfson WM8740 192 KHz/24-bit
Speaker A/B switching
Pure direct mode
Connectivity
Wi-Fi
Bluetooth
optional
Ethernet (RJ45)
Control
Bass
Treble
Balance
Remote control
Extensive connection
Optical digital input/output
0/0
2/0
Coaxial digital input/output
0/0
1/1
Phono (MM) input
1
0
Subwoofer output
0
1
Headphone outputs
1
1
USB
0
1
Preamplifier outputs (pair)
1
1
Main inputs (pair)
1
0
Line level inputs (pair)
7
4
XLR inputs (pair)
0
1
Record outputs (pair)
0
0
DC trigger output (12V)
1
0
Remote control input/output (IR)
1/1
0/0
RS-232
0
0
Additional features
Auto power off
Built-in display
Power
Power consumption, W
360
750
Power consumption standby, W
0.5
0.5
Dimensions
Size W x H x D, cm/inches
43.5 x 15.7 x 46.3/17.1 x 6.1 x 18.2
43 x 11.5 x 34.1/16.9 x 4.5 x 13.4
Weight, kg/lbs
23.3/51.4
8.7/19.18
Other
Release year
2015
2015
Integrated amplifiers CHooseratoR comparison rating
- 8Yamaha A-S1100
- 7.3Cambridge Audio CXA80
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