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Comparison Audio-Technica AT-LP140XP vs Audio-Technica AT-LP1240-USB

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Audio-Technica AT-LP140XP
Audio-Technica AT-LP1240-USB
Audio-Technica AT-LP140XPAudio-Technica AT-LP1240-USB
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Pickup
ModelAT-XP3
TypeMM
Needle shapeconical
Output level5.5 mV
Downforce2.0 – 4.0 g
Pickup weight6.2 g
Tonearm
Typeradialradial
ShapeS-shapedS-shaped
Materialaluminiumaluminium
Tonearm effective length231 mm230 mm
Design
Drive unitstraightstraight
Speed controlelectronic (automatic)electronic (automatic)
Cover
Phono stage+switchable
Features
Features
adjustable counterweight
anti-skating
reverse playback
speed 78 rpm
adjustable counterweight
anti-skating
reverse playback
speed 78 rpm
Tempo adjustment± 10, ± 20, ± 50 %
Connection
 
audio input
USB B
 
Specs
ADC sampling rate48 kHz
ADC bit depth16 bit
Frequency range20 – 20000 Hz
Signal to noise ratio50 dB55 dB
Knock ratio0.2 %0.1 %
General
Power consumption6 W13 W
Base materialaluminium
Platter materialaluminiumaluminium
Platter size332 mm
Dimensions (WxDxH)452x352x159 mm450х353х167 mm
Turntable weight10 kg12.5 kg
Color
Added to E-Catalogaugust 2019december 2015

Model

Model of the pickup (cartridge) supplied with the player. The pickup is one of the most important parts of any vinyl player, the quality of the received sound largely depends on its quality. Knowing the name of the model, you can find detailed data on it and determine how satisfied you are with this particular cartridge.

Type

The type of pickup (cartridge) supplied with the turntable.

- MM(with moving magnet). The most common type of cartridges nowadays. The electrical signal in such devices is created by the oscillation of a moving magnet connected to the pickup stylus between special coils. These cartridges give a good output level, making them compatible with the simplest phono stages, they are easy to set up, and the needles in many models can be replaced by the user himself.

- MC(moving coil). Pickups in which the magnets are made stationary, and the signal is created by a moving coil that vibrates from the vibrations of the needle. This design allows you to reduce the mass of moving parts (compared to MM), which has a positive effect on the accuracy and reliability of sound transmission: MC cartridges are capable of transmitting almost all the nuances of sound. On the other hand, their output signal level is low, which puts forward increased demands on the quality of phono stages and significantly affects the cost. So pickups of this type are typical mainly for high-end equipment.

- MI (with a movable iron element). Quite an exotic type of pickups: the coils and magnets in them are made stationary, and the vibration of the needle sets in motion a miniature piece of magnetic material (for example, iron), which moves between the coils and changes their inductance. Theoretically, such cartrid...ges can compete with MCs in terms of overall sound quality and detail, while MI technology allows you to achieve a high level of signal output, which does not require expensive phono stages. However, in fact, such pickups are rare for a number of reasons.

Anyway, for the normal operation of the player, a phono stage is required for the corresponding type of pickup; A phono stage may also be built-in (see “Characteristics”), however, if external equipment is used, it is necessary to know the type of pickup to select it.

Needle shape

The shape of the needle in the pickup (cartridge) that the player is equipped with.

Conical. It may also be called spherical. The simplest type of needles for vinyl players. Such needles are inexpensive, but the sound quality when using them is relatively low — due to the fact that the shape of the needle rather weakly matches the shape of the groove on the record.

Elliptical. Elliptical needles have a narrower shape than conical (spherical) needles, which improves contact and allows, in particular, more accurate reproduction of high frequencies, and also reduces record wear. Due to the good value for money, this option is very popular.

Linear. The most advanced variety: sharply sharpened needles of complex shape, following the contours of the grooves on the plate as accurately as possible and having the largest contact area among all types. The downside of this is the complexity in production and, accordingly, the high cost.

Output level

The signal level at the output of the pickup supplied with the player is, in fact, the power of the signal coming from the pickup to the phono stage. This parameter is necessary, first of all, in cases where the player is planned to be connected to an external phono stage: such equipment must be designed for the corresponding power of the signal coming from the pickup.

Downforce

The force of pressing the needle on the plate, which the complete pickup (cartridge) is designed for.

This force depends on the rigidity (compliance) of the needle: the greater the clamping force, the harder the cartridge, respectively, the less pliable it is. It is also believed that less pressing force wears out the record less, but it cannot be said that "light" cartridges are definitely better — there are many other nuances. So in fact, information about the pressing force of a complete pickup is needed mainly in case of its replacement. Usually, the pressing force provided by the arm of the turntable is regulated within these limits, so the new cartridge must also be rated for the same values of downforce — otherwise there is a chance that the turntable will not be able to correctly align.

Pickup weight

The weight of the pickup (cartridge) supplied with the turntable.

The weight of the cartridge determines the characteristics of balancing the tonearm to set the optimal tracking force. However, pickups in set are usually optimally compatible with the corresponding tonearms, so there are no problems with adjusting the turntable. But when buying a replacement cartridge, you should pay attention to this parameter: it is advisable that the new cartridge does not differ too much in weight from the old one, otherwise the tonearm adjustment range may not be enough for the correct balance.

Tonearm effective length

The effective length of a tonearm in set is the distance from the attachment point (axis of rotation) to the stylus.

This indicator is important primarily for rotary tonearms: the longer the length, the lower the angular error, the smaller the discrepancy between the direction of movement of the track and the longitudinal axis of the pickup (for more details, see “Type”) and the lower the level of corresponding distortion. In addition, a longer length reduces the resonant frequency and reduces the likelihood of distortion. On the other hand, a longer tonearm turns out to be heavier, which requires certain technical tricks and can also negatively affect the purity of the sound. Therefore, a large length is not always a guarantee of high quality – you should also pay attention to weight (see below).

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.

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.
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