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Comparison Cambridge CXA80 vs Cambridge CXA60

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Cambridge CXA80
Cambridge CXA60
Cambridge CXA80Cambridge CXA60
from $1,503.70 up to $1,624.00
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from $1,288.89 up to $1,392.00
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Device typeintegrated amplifierintegrated amplifier
Element basetransistortransistor
Toroidal transformer
Amplifier parameters
Number of channels22
Frequency range
5 – 60000 Hz /+/- 1 дБ/
5 – 60000 Hz /+/- 1 дБ/
Power per channel (8Ω)80 W60 W
Power per channel (4Ω)120 W90 W
Connectors
Inputs
USB B
coaxial S/P-DIF
optical /2/
control input (IR)
 
coaxial S/P-DIF
optical /2/
control input (IR)
RCA4 pairs4 pairs
XLR (balanced)2 шт
Outputs
Pre-Amp
to subwoofer
control output (IR)
Pre-Amp
to subwoofer
control output (IR)
For acoustics4 шт4 шт
On headphones3.5 mm (mini-Jack)3.5 mm (mini-Jack)
Front panel
indicators
audio input jack /mini-Jack/
headphone output
indicators
audio input jack /mini-Jack/
headphone output
Features
Adjustments
level adjustment
level adjustment
More features
By-pass/Direct
additional speaker connect
Bi-Wiring
external devices control
By-pass/Direct
additional speaker connect
Bi-Wiring
external devices control
General
PSUinternalinternal
Power consumption
750 W /maximum/
600 W /maximum/
Standby consumption0.5 W0.5 W
Dimensions (WxDxH)430x341x115 mm430x341x115 mm
Weight8.7 kg8.3 kg
Color
Added to E-Catalogjuly 2015july 2015

Power per channel (8Ω)

The nominal sound power output by the amplifier per channel when operating with a load having a dynamic resistance (impedance) of 8 ohms. In our catalog, this parameter is indicated for the mode when all channels of the amplifier work under load (see "Number of channels"); in the presence of unused channels, the rated power may be slightly higher, but this mode cannot be called standard.

Rated power can be simply described as the highest output signal power at which the amplifier is able to work stably for a long time (at least an hour) without negative consequences. These are average figures, because in fact, the audio signal is by definition unstable, and individual level jumps can significantly exceed the rated power. However, it is she who is the main basis for assessing the overall loudness of the sound.

This indicator also determines which speakers can be connected to the amplifier: their rated power should not be lower than that of the amplifier.

According to the laws of electrodynamics, with different dynamic load resistance, the output power of the amplifier will also be different. In modern speakers, the standard values \u200b\u200bare 8, 6, 4 and 2 Ohms, and power levels are indicated for them.

Power per channel (4Ω)

The nominal sound power output by the amplifier per channel when a load with a dynamic resistance (impedance) of 4 ohms is connected to it. See Power per Channel (8Ω) for more information on power rating and its relationship to impedance.

Inputs

— Euroblock. Analogue audio input (usually line level) using a Euroblock connector. This connector, used mainly in professional audio equipment, is remarkable in that it is attached to the wire using terminals. This is extremely convenient when working with stripped wires (which is often required in professional applications): screwing such a wire to the plug once and connecting / disconnecting the plug to the Euroblock connector is much easier than constantly unscrewing / screwing the terminals. In addition, such a connection is often made balanced (see "XLR (balanced)" below). Inputs of this type are found mainly in information and information-concert amplifiers (see above).

— Phono. Dedicated input for connecting to the amplifier turntables; often has a suffix indicating the type of cartridge that is compatible, such as "Phono MM" or "Phono MM/MC" (see "Advanced — Phono Stage" for details). Despite the proliferation of digital formats, these players are still highly regarded by audiophiles for their high quality and fidelity, and are often used in premium audio systems. However, connecting a "turntable" has its own characteristics — in particular, it requires a phono stage (for more details, see ibid.) — and standard inputs are unsuitable for this purpose. Therefore, a Phono jack is a must if you want to connect your turntable directly, without an external phono stage.

USB B. The USB interface is widely used in com...puter technology for various peripherals. The presence of a type B input means that the amplifier can be connected to a computer as an external controlled device (slave). Most often, with this connection, it is used as an external sound card or audio interface — this provides higher sound quality and more extensive options for its settings than most built-in sound cards, even expensive ones. However, the matter is not limited to this: in some models, via USB type B, you can update the firmware or change the special parameters of the amplifier.

Coaxial S / P-DIF. Digital audio input, a variation of the S/P-DIF interface based on a conventional electrical signal (the second variation, optical, is described below). Usually uses a common RCA connector, known as a "tulip", but has rather strict cable requirements. The bandwidth of any version of S / P-DIF is quite sufficient even for high-quality multi-channel sound, and the coaxial version itself is simpler, cheaper and more reliable than the optical one, but more susceptible to interference.

Optical. Input for transmitting digital sound using light signals, via TOSLINK fiber optic cable; one of the versions of the S/P-DIF standard. The main advantage of optical fiber over traditional electrical cables is complete insensitivity to electrical interference; at the same time, it is more expensive and requires rather careful handling (in particular, it does not tolerate sharp bends).

— Balanced digital ( AES/EBU). The AES/EBU interface is used in the professional field to transmit audio in digital format. It can use several connection types; in this case, it means transmission over the so-called balanced line using an XLR connector. Both the principle of balanced connection and the connector itself are described in detail in the “XLR (balanced)” section below — however, in the case of AES / EBU, we are talking about a digital signal, not an analogue signal.

— COM port ( RS-232). A connector used to control the amplifier from a computer. Through it, you can change the settings, incl. and quite thin, and in some models even update the firmware. Usually, for such purposes, special software is required, which can be supplied with the amplifier.

Control input (IR). Connector for connecting an external infrared remote control receiver. When properly placed, such a receiver will allow you to use the remote control even in places where the signal from the remote control cannot reach the main (built-in) sensor — for example, in another room. For such purposes, not only sensors can be used as a separate device, but also system components that are compatible with the remote control — for example, players or tuners.

XLR (balanced)

The number of stereo inputs in the design of the amplifier with XLR connectors having three pins and capable of providing the so-called balanced connection. Note that we are talking about an analogue line input, the signal from which passes through all additional processing circuits (for example, bass / treble settings, see "Adjustments"); do not confuse it with Main and balanced digital AES / EBU — these are different interfaces, despite the identity of the connectors.

The main advantage of this connection is that the functions of noise reduction and shielding from interference are performed by the cable itself. This moment is especially useful when it is necessary to connect system components located at a large distance from each other (from 2 m): a balanced cable maintains signal purity even at a rather large length. The quality of such a connection is at least indicated by the fact that balanced XLR is a standard interface for professional recording studios. And its presence in the amplifier, usually, indicates a high level of the device.

There are usually two XLR inputs in amplifiers — this is the minimum number needed to work with stereo sound, and more is most often not required in fact.

Power consumption

The power consumed by the amplifier during normal operation. Some manufacturers may indicate average power values, some — indicators at maximum load. However, anyway, this parameter allows you to quite adequately assess the power consumption of the device and the requirements for connected power.

In addition, it can be useful if you have doubts about the accuracy of the claimed data on the output power (see "Power per channel (8Ω)"). The basic rule is that the total power rating of all channels cannot exceed the total power consumption of the amplifier. In addition, there are special formulas that allow you to derive the maximum possible rated power depending on the power supply and type of amplifier; they can be found in special sources.
Cambridge CXA80 often compared
Cambridge CXA60 often compared