YBA Passion PH 150 Phono Pre-Amplifier

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YBA Passion PH 150 Phono Pre-Amplifier

Most modern amplifiers today do not have the necessary circuitry built in to drive a turntable. As a consequence a necessity arises to use a phono pre-amplifier. What this does is to boost the level and correct the frequency response of the output from a moving magnet (MM) or moving coil (MC) cartridge. It will then be compatible with standard line level inputs on the amplifier. Therefore the volume should be approximately the same as other components in the system - i.e. CD player.

The PH150 caters for MM, low output MC and high output MC cartridges. The selector control on the front panel of the PH150 has only two options - MM or MC - whereas there are three inputs on the rear panel. The circuitry has been designed so that it will automatically sense which type of moving coil cartridge is being used and settings will adjust accordingly. This is in keeping with YBA's philosophy to avoid any unnecessary switching on the signal path.

There is also a separate rear panel switch to select between low and high output moving coil cartridges.

The power supply of the PH150 is separated from the main circuitry. As amplification in phono pre-amplifiers is high, separating the power supply gives a dramatic improvement to performance. However rather than provide two separate boxes, we have chosen to separate the power supply within the one chassis. This gives us the opportunity to use the standard style of Passion casework and front panel design features.

The split cabinet design can be seen clearly from the rear view image.

YBA manufactures its own MC transformer. Moving coils are known for their dynamic qualities, definition, wide bandwidth, coupled with great realism of reproduction. These qualities are attributable to the same principle of operation of moving coils that make them ideal generators. This explains their continued success with demanding users. But their operation is very critical and depends mainly on the charging impedance and adapter, the characteristics greatly influence the electrical behaviour of the cartridge and therefore the quality of the sound reproduced. Any information lost or distorted during this coupling is irretrievable. The realization of a transformer rather than a pre-preamplifier meets the need to avoid additional distortions, mainly by harmonic 3, specific to electronic sources that can fatigue. On the other hand, the output level of the moving coil is lower by 20 - 30 db than a conventional moving magnet.

It is for this reason that the signal delivered is dangerously close to the noise level of pre-preamplifiers (fuzzy distortion), which masks a part of very low amplitude signals, such as echo, reverb and micro information needed to spatial localization of sound objects. This phenomenon does not exist with the processors.  The YBA transformer was developed following the usual concept, namely the creation of extraordinary uncompromising product. The research was focused on the synthesis of different original technical principles based on long plays.

Transformer specification required that it
  • Ensure a job universality
  • forward all information issued by the phono-player
  • free from any coloration and
  • reproduce exceptional dynamics. Because of its design, the YBA transformer is uniquely suited to meet the different characteristics of moving coil cartridges. It allows for the finest details of a reading to be highlighted at a very high level.
Technical Specifikation:
  • Input impedance and Gain Input impedance 47 kOhm 45dB Gain
  • Moving Magnet (MM) Input impedance 2 - 100 Ohm 65 dB Gain
  • Moving Coil (MC) Input impedance 47 kOhm 50dB Gain
  • High Output Moving Coil 90dB (A weighted @ 40dB input gain)
  • SNR <0.005%
  • THD Within 0.3dB/20Hz - 24 kHz
  • RIAA accuracy
  • Outputs 1 RCA 1 Balanced
  • Inputs
  • Display OLED
  • Display brightness
  • Remote handset
  • Finish Black brushed aluminium and acrylic
  • Power Supply Linear power supply with high performance transformer 200VA
  • Dimensions 215 x 335 x 115 mm
  • Weight 9lbs
You receive a 2 year warranty from the date of purchase for all of our high quality hifi-products.

If you observe any problem while using the product, you have the possibility to contact our friendly service team.

You can also easily manage your guarantee concern – without being obliged to – under the section My Account.