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Comparison Marantz PM6006 vs Marantz PM5005

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Marantz PM6006
Marantz PM5005
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Main
ByPass Direct mode. remote control. Recorder. Standby mode.
Device typeintegrated amplifierintegrated amplifier
Element basetransistortransistor
Toroidal transformer
Amplifier parameters
Number of channels22
Frequency range
10 – 50000 Hz /at a resistance of 8 ohms/
10 – 50000 Hz
Power per channel (8Ω)40 W40 W
Power per channel (4Ω)55 W55 W
Signal to noise ratio102 dB102 dB
Signal to noise ratio (Phono MM/MC)83 dB83 dB
Damping factor100100
Harmonic distortion0.08 %0.05 %
Channel sensitivity / impedance
Line input
200 mV
20 kOhm
200 mV
20 kOhm
Phono MM/MC
2.2 mV
47 kOhm
2.2 mV
47 kOhm
Connectors
Inputs
Phono
coaxial S/P-DIF
optical /2/
control input (IR)
Phono
 
 
control input (IR)
RCA4 pairs5 pairs
Outputs
control output (IR)
control output (IR)
For acoustics4 шт4 шт
REC (to recorder)1 pairs2 pairs
On headphones6.35 mm (Jack)
Front panel
indicators
headphone output
indicators
headphone output
Features
Adjustments
bass control
treble adjustment
balance adjustment
level adjustment
loudness
bass control
treble adjustment
balance adjustment
level adjustment
loudness
More features
By-pass/Direct
auto power off
ММ phono stage
additional speaker connect
Bi-Wiring
external devices control
By-pass/Direct
auto power off
ММ phono stage
additional speaker connect
Bi-Wiring
external devices control
General
Remote control
PSUinternalinternal
Power consumption155 W110 W
Standby consumption0.3 W0.3 W
Dimensions (WxDxH)440х370х105 mm440x370x105 mm
Weight7.6 kg6.7 kg
Color
Added to E-Catalogseptember 2016january 2015

Toroidal transformer

Most modern amplifiers have toroidal transformers - with a toroid-shaped core, in other words, a donut. This type is considered optimal for amplifiers of any level up to Hi-End: it creates a minimum of "extra" electromagnetic radiation and, accordingly, interference. Some time ago, E-core transformers were also widely used, but they are considered obsolete and are becoming less common today.

Harmonic distortion

This indicator describes the amount of non-linear distortion introduced by the amplifier into the processed signal. Such distortions are not necessarily perceived as extraneous noise, but they degrade the quality of the sound anyway — for example, they can make it more deaf. It is almost impossible to avoid them, but it can be reduced to levels inaudible to the human ear.

As a result, the harmonic distortion factor (harmonics) is one of the main parameters describing the overall sound quality in Hi-Fi and Hi-End amplifiers. The lower it is, the clearer the sound. Hundredths of a percent are considered a good indicator for modern amplifiers, thousandths and below are excellent. The exceptions are tube and hybrid models, for which rather high harmonic coefficients are allowed; see "Element base" for more details.

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.

RCA

The number of line inputs in the amplifier design using the RCA interface. Unlike the Main input (see above), which can work with the same connectors, when connected to a linear RCA, the signal goes through all the stages of processing provided for in the amplifier — for example, adjusting the balance or frequencies (see "Adjustments"), etc. .P.

See “Amplifier Input (Main)” for details on the connector itself. Here we note that when using RCA as a linear interface, a pair of such connectors is considered one input. This is due to the fact that only one channel can be transmitted over one coaxial cable, so a pair is needed to work with stereo sound.

The number of signal inputs (of any type) determines how many signal sources can be simultaneously connected to the amplifier. Accordingly, it is worth choosing a model according to the number of inputs, taking into account the expected number of such sources: after all, it is easier to connect them all and select them through the amplifier’s remote control or control panel than to fiddle with reconnecting every time.

REC (to recorder)

The number of REC outputs in the design of the amplifier. This output is a kind of line interface designed to output sound to a recording device; one of its features is a constant signal level. Since RCA connectors are usually used for connection (see “Amplifier Input (Main)”), a pair of connectors is counted as one REC output — this is the only way to ensure stereo sound transmission.

On headphones

The type of connector used to connect headphones to an amplifier.

— 3.5 mm (mini-Jack). The most popular audio connector in modern portable electronics, also found among stationary equipment. However it is considered not as suitable for high-quality sound as 6.35 mm Jack, since it gives an increased likelihood of interference at the connection point. On the other hand, the vast majority of modern headphones, of all price categories, are made specifically for this connector. This means that the presence of a mini-Jack socket in most cases will allow you to connect headphones directly, without the use of adapters — that is, in the best way.

— 6.35 mm (Jack). This connector is typical mainly for stationary audio equipment, including professional class. It provides a better connection quality than the mini-Jack (in particular, less resistance due to the larger contact area), and is also more durable and reliable. At the same time, it is worth noting that only some high-end headphone models are equipped with a “native” plug under such a connector; and to connect the popular 3.5 mm mini-Jack you will need an adapter, which can affect the sound quality.

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.
Marantz PM6006 often compared
Marantz PM5005 often compared