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Comparison Pioneer PLX-1000 vs Audio-Technica AT-LP1240-USB

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Pioneer PLX-1000
Audio-Technica AT-LP1240-USB
Pioneer PLX-1000Audio-Technica AT-LP1240-USB
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from $751.85 up to $812.00
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Tonearm
Typeradialradial
ShapeS-shapedS-shaped
Materialaluminiumaluminium
Tonearm effective length230 mm230 mm
Design
Drive unitstraightstraight
Speed controlelectronic (automatic)electronic (automatic)
Cover
Phono stageis absentswitchable
Features
Features
adjustable counterweight
anti-skating
 
 
adjustable counterweight
anti-skating
reverse playback
speed 78 rpm
Tempo adjustment± 8, ± 16, ± 50 %± 10, ± 20, ± 50 %
Connection
 
USB B
Specs
ADC sampling rate48 kHz
ADC bit depth16 bit
Frequency range20 – 20000 Hz
Signal to noise ratio70 dB55 dB
Knock ratio0.1 %0.1 %
General
Power consumption9 W13 W
Base materialMDF/Fibreboardaluminium
Platter material
aluminium /aluminium/
aluminium
Platter size332 mm332 mm
Dimensions (WxDxH)453x353x159 mm450х353х167 mm
Turntable weight13.1 kg12.5 kg
Color
Added to E-Catalogdecember 2015december 2015

Phono stage

A phono corrector is a specially designed preamplifier used when working with vinyl record pickups. Initially, the sound on such records is recorded with distortion of the amplitude-frequency characteristic, namely with an increase in volume from low to high frequencies; this is due to the technical features of the recording process. Accordingly, the phono corrector not only amplifies the signal to a level sufficient for feeding to the power amplifier, but also corrects the amplitude-frequency characteristic, “pulling out” the bass and reducing the volume of the HF. And the built-in phono corrector allows you to connect the player to the power amplifier directly, without using intermediate equipment. True, in terms of characteristics, built-in preamplifiers-correctors are inferior to external ones. Therefore, some models with this function may provide a “bypass” mode, allowing you to pass the signal bypassing the built-in phono corrector to an external, more advanced one. And there are also vinyl players without a phono corrector at all.

Features

Tempo adjustment. The presence in the player of an electronic module that allows you to change the tone of the sound being played, in other words, to make it higher or lower by a certain interval, in other words, change the playback speed. This feature is also known as a "pitch controller". It is relevant primarily for DJ "turntables", as it allows you to mix tracks recorded in different keys. Some home players also have a tempo control, but its capabilities are much more modest, and a real need for such a function rarely arises.

Adjustable counterweight. The ability to adjust the position of the counterweight mounted on the opposite end of the tonearm from the cartridge. This allows you to change the balance of the tonearm by adjusting the downforce (see above); the presence of an adjustable counterweight is highly desirable if you plan to use "non-native" pickups with the player.

Anti -skating. The presence of an anti-skating system in the design of the tonearm. The peculiarities of the work of the vinyl player are such that during playback there is an additional force that presses the needle against the inside of the groove. This results in an imbalance in the sound of the stereo channels and uneven groove wear. To compensate for this phenomenon, anti-skating is used — a system that “pulls” the tonearm in the opposite direction, towards the ou...ter edge of the record. Anti-skating may be based on counterweights, springs, magnets, or other devices, but anyway, this function is considered highly desirable for modern turntables. However, it is not available everywhere: for example, in low-cost models, anti-skating may not be provided to reduce the cost, and in top-end devices it may be present, but not indicated in the specifications.

Reverse playback. The reverse function allows you to play the record in reverse, playing the sound backwards. This feature is unlikely to be needed by audiophiles, but it is very much appreciated by DJs, as it expands the arsenal of available sound effects. Usually, direct drive is required for reverse (see above), although there are exceptions.

Hitchhiking. A system that automatically stops the disc and raises the arm when the record has finished playing. Due to this, additional wear of the needle due to movement along the plate "idle" is prevented. However, in some situations (for example, when playing several records in a row), hitchhiking is inconvenient, so it can be turned off.

Autoplay. The presence in the player of automatic playback. In such models, the user does not need to manually move the tonearm. In fact, it is enough to install the record, press the button — and the disc will start to rotate, the tonearm will lower itself to the desired position, and after the end of playback, the record will stop, the tonearm will rise (due to hitchhiking, see above) and return to its original position. Such systems make the player as convenient as possible, but they significantly affect its cost, and also (like any additional electronics) are a potential source of interference.

Built-in acoustics. The presence in the player of its own speaker system, consisting of speakers and a power amplifier. This equipment allows you to listen to records without the use of external equipment; in fact, models with acoustics are stand-alone music centers, except that they work not on cassettes / discs / flash drives, but on vinyl discs. At the same time, the characteristics of the built-in amplifiers and loudspeakers are generally noticeably more modest than those of external ones, and additional electronics in the player's case can distort the signal. Therefore, it makes sense to purchase models with built-in acoustics if purity and high sound quality are not critical — for example, for listening to old records.

Speed 78 rpm. The ability to operate the player at a speed of 78 revolutions per minute. To date, such records are almost never produced, but they were very popular until the 60s of the XX century. Therefore, to listen to vintage audio recordings, you will need a turntable with support for this speed. Note that 78 rpm operation may require additional equipment (such as a belt pulley or a special pickup).

Write to media. The ability to connect an external media to the player and record the reproduced sound on it in digital form. Usually, we are talking about USB-drives (such as flash drives); accordingly, a USB Type A port is provided for their connection. However, other types of media, such as memory cards, may be supported. Recording directly to media is faster than digitizing via a computer (see "USB port (type B)" above), but the sound is recorded "as is" in this case, without the possibility of quality enhancement and noise filtering.

Installation of the second tonearm. Possibility of installing an additional tonearm on the player, which can differ markedly from the main one both in its own features and in the characteristics of the pickup. This possibility is justified if the player is planned to be used in different modes that cannot be covered by a single pickup. For example, you can install an inexpensive pickup on the second tonearm, which is not a pity to “kill” on old worn records, or a 78 rpm cartridge for vintage recordings. Note that in some models there may be more than one additional tonearms.

Pendulum alignment. Automatic turntable leveling system based on a pendulum (suspension). This feature is found exclusively in premium class models, designed for the highest mechanical precision. In such models, the player itself is installed on a special stand on the floor, and a massive (several tens of kilograms) pendulum is suspended from its lower part. While the pendulum hangs strictly vertically, the player's disc is in a strictly horizontal position; and due to the large mass, the suspension practically does not deviate from the vertical with small vibrations of the floor (for example, from people walking nearby). This feature is designed primarily for sophisticated audiophiles who want to get the most accurate and reliable sound.

Tempo adjustment

The presence in the player of an electronic module that allows you to change the tone of the sound being played, in other words, to make it higher or lower by a certain interval, in other words, change the playback speed. This feature is also known as a "pitch controller".. It is relevant primarily for DJ "turntables", as it allows you to mix tracks recorded in different keys. Some home players also have a tempo control, but its capabilities are much more modest, and a real need for such a function rarely arises.

Connection

USB B port. A connector designed to connect the player to a computer as a peripheral device. This connection is mainly used for converting vinyl records to a digital audio format such as MP3. At the same time, computer processing allows you to "clean" the recording from clicks and other extraneous interference; the necessary software for this may even be supplied in the kit.

Bluetooth. The presence of a built-in Bluetooth module in the design of the player. This technology is designed for direct wireless communication with other devices at a distance of up to 10 m. The capabilities of such communication may vary, depending on the supported Bluetooth protocols. The most popular use of this feature in players is to broadcast audio to wireless headphones or speakers. Such a connection may be somewhat inferior to a wired one in terms of sound quality, but it does not require fiddling with cables and selecting compatible connectors; and the difference in quality is most often unprincipled, especially considering the characteristics of the sound from vinyl. Other options for using Bluetooth are technically possible — for example, remote control from a smartphone or tablet — but they are extremely rare.

Audio input. The presence of an audio input in the design of the player; usually in this case it means a linear analogue audio input. In different model...s, it can use different types of connectors — for example, 3.5 mm mini-Jack or RCA "tulips". However, regardless of the type of connector, the purpose of such an input is the same everywhere — it is designed to connect an external sound source and process this sound with the player's built-in tools. For example, you can connect a portable player to the audio input and output sound through the built-in turntable amplifier.

Digital audio output. The presence of a digital audio output in the design of the player. Usually, this output is made in the form of an S / P-DIF connector — optical or electronic; the first option is less susceptible to interference, the second does not require special delicacy when handling the cable. This connector can be useful for connecting external audio devices with digital inputs to the player. In some cases, a digital connection is preferable to an analogue one — for example, if there are no line inputs in an external device or they are all occupied. At the same time, the digital interface requires an analogue-to-digital converter in the "turntable", and these are additional electronic circuits and a potential source of interference. Therefore, such outputs are not used in audiophile-class equipment.

Headphone output. The presence of a separate headphone output in the design of the player. Typically, this output uses a 3.5 mm mini-Jack or 6.35 mm Jack. The first variety is found in most modern headphones, the second is more reliable and typical for professional models; both interfaces are compatible through a simple adapter. Anyway, connecting headphones can come in handy in two situations: when it is desirable to keep silence and not disturb others with music, or vice versa, when it is noisy around and the sound from the speakers would be hard to hear. Theoretically, the second use case is popular among DJs — in the overall sound, it is important to hear what exactly the turntable is playing at the moment. However, in fact, DJs prefer to connect their "ears" not to the player itself, but to external equipment. Therefore, its own headphone output is typical mainly for consumer-class models.

ADC sampling rate

The sampling rate of the A/D converter installed in the player. To listen to vinyl in the usual way (cartridge — phono stage — power amplifier — acoustics), it is not necessary to convert the analogue signal coming from the pickup into digital format. This function (and, accordingly, the characteristics of the ADC) is relevant only when recording to a computer or removable media, as well as when using a digital audio output (see "Characteristics").

When digitized, analogue audio is decomposed into separate "pieces" (samples), and the data for each sample is recorded digitally. The sample rate describes how many samples there are for every second of the audio being converted; the higher it is (ceteris paribus), the closer the digital audio signal will be to the original. The most modest converters in modern turntables are capable of operating at a sampling rate of 44 (more precisely, 44.1) kHz — the quality of such a recording corresponds to an Audio CD and can already be indistinguishable from high-end vinyl. And in the most advanced, this figure reaches 48 kHz (DVD and DAT level).

ADC bit depth

The bit depth of the analogue-to-digital converter installed in the player. To listen to vinyl in the usual way (cartridge — phono stage — power amplifier — acoustics), it is not necessary to convert the analogue signal coming from the pickup into digital format. This function (and, accordingly, the characteristics of the ADC) is relevant only when recording to a computer or removable media, as well as when using a digital audio output (see "Characteristics").

When digitizing an analogue signal, it is decomposed into samples (for details, see "ADC Sampling Frequency"), and for each sample, its own signal level value is indicated. The higher the ADC bit depth, the more accurately this value will correspond to the initial signal level and the closer the digital sound will be to the original. To digitize audio as an Audio CD (which is already considered quite “audiophile”), 16 bits is enough, but in modern players this figure can be even higher — up to 24 bits.

Frequency range

The range of frequencies that the player is capable of outputting when using a standard pickup.

The wider the frequency range, the more complete the sound picture will be, the less low and/or high frequencies will remain behind the scenes. However, from a practical point of view, it does not make sense to expand the range beyond the values \u200b\u200bof 16 – 22000 Hz — it is within these limits that the human ear hears the sound (and even then not everyone). In high-end audio equipment, including turntables, there are more extensive ranges; however, such characteristics are a kind of “side effect” of high-end technology that manufacturers use for advertising purposes.

In addition, we note that an extensive frequency range is not yet a guarantee of high-quality sound: the sound picture depends on many other parameters, from the amplitude-frequency response to extraneous interference.

Signal to noise ratio

The ratio between the useful signal and extraneous noise at the output of the player. It is also colloquially called "electrical noise" (although this is not entirely true).

The higher this indicator, the quieter the noise (it is impossible to completely eliminate them), the clearer the signal will be. In the case of turntables, the signal-to-noise ratio is considered to be at least 50 dB; and in the most high-end devices it can exceed 90 dB.

Note that this paragraph may additionally indicate the value of mechanical noise. Despite the similarity in name, this is a completely different indicator — it describes the volume of extraneous sounds produced by the motor, drive and other moving parts of the "turntable". Accordingly, for mechanical noise, the lower the decibels, the better. You can estimate its approximate level using special comparative tables.

Power consumption

Rated power consumed by the player during normal operation.

Modern turntables are very economical: most models, even those equipped with built-in acoustics (see "Features"), the power consumption does not exceed 15 W, and there is no need to talk about any serious impact on congestion in the electrical networks (as well as electricity bills). The exception is some premium-class devices, in which the weight of the platter (see below) reaches several tens of kilograms, and the corresponding engine power is required to rotate such a mass.
Pioneer PLX-1000 often compared
Audio-Technica AT-LP1240-USB often compared