REGA AURA MC

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REGA AURA MC

Ο προενισχυτής κεφαλής κινητού πηνίου αναφοράς REGA AURA MC είναι το αποκορύφωμα δεκαετιών ανάπτυξης και σχεδιασμού. Δημιουργήσαμε το απόλυτο, πλήρως ρυθμιζόμενο, τριών σταδίων, εξ ολοκλήρου συμμετρικό phono stage που έχει σχεδιαστεί αποκλειστικά για να εξάγει την καλύτερη δυνατή απόδοση από τις κεφαλές κινητού πηνίου (MC) και τα αναλογικά συστήματα βινυλίου.

• Design Innovation
  Built into a completely re-designed custom case, the Aura is dedicated to moving coil cartridges and stays clear of any compromises. We have avoided including any superfluous functions as they obstruct the signal path and degrade the sound quality. The Aura phono pre-amp incorporates remarkable and innovative design ideas. If you are a vinyl connoisseur, then the Aura MC is an absolute must for demonstration.
• KEY FEATURES
  Three stage, all symmetrical pre-amplifier
  Compatible with all typical low output moving coil cartridges
  Fully adjustable
  Lifetime warranty against manufacture defects
• PRODUCT DETAILS
  FIRST STAGE
  The first stage is a symmetrical, complementary class A amplifier, using parallel connected Linear Systems ultra-low noise FET (Field Effect Transistor) transistors configured as a symmetrical compound pair input stage. The use of FET transistors ensures there is no bias current flowing in the cartridge coil so as not to upset the delicate magnetic geometry of the cartridge. The input circuit configuration also alleviates the use of any coupling components between the cartridge output and the input stage FET transistors, which would degrade the sound. The complementary ultra-low noise FET transistors are carefully graded and matched for optimum performance. This stage drives the passive high-frequency part of the RIAA equalisation stage.
• SECOND STAGE
  The second stage is a symmetrical, class A, differential amplifier with a common base driver stage; this is also used as the active amplifier in the low-frequency part of the RIAA equalisation stage.
• THIRD STAGE
  The third stage inverts the signal to provide the balanced output along with the output of the second stage; the third stage uses the same circuit topology as used in the second stage. The power supply is a symmetrical, discrete tracking power supply using fast diodes and a low noise voltage reference. Each stage has its own localised power supply and LED referenced current generators. To maximise headroom, the Aura has a power supply voltage, which is 60% higher than normally found in such a pre-amplifier. Very high quality, polypropylene capacitors have been used in the signal path. 1% tolerance polypropylene capacitors are used in the RIAA EQ stages and audio grade capacitors are used in the rest of the circuit. Gain, Mute and Mono switching is implemented using high-quality relays.
• TECHNICAL SPECIFICATIONS
  Input Load ​50, 100, 150, 300 & 400 Ω
• Capacitive Load ​1000, 2000, 3200, 4300, 5700 pF
• RIAA Accuracy 0.2 dB 100 Hz to 50 kHz
• Frequency Response 13.5 Hz (-3 dB) to 100 kHz (-0.2 dB)
• THD 0.03%
• Input Sensitivity ​69.5 dB (Gain Setting I), 63.5 dB (Gain Setting II)
• Dimensions (W x H x D) 350 x 435 x 88 mm
• Weight 13 kg

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REGA AURA MC