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Preamplifier AA 1P AT

1,530.00€ (includes VAT)

The preamplifier AA 1P AT combined with active speakers system (like AA O 103 SL or AA O105 SL) offers a great minimalist aesthetic audio solution for all music lovers and vacuum tubes sound lovers.

Category: Preamplifiers
  • Description

Description

Highlights

  • Vacuum tubes line preamplifier with two double triodes. As an option, with additional two low noise double triodes, it can be upgraded with Phono RIAA moving magnet preamplifier.
  • Special low voltage vacuum tube circuits for tubes life extension.
  • AA 1P AT Headphone/Preamplifier provides single ended RCA and balanced inputs; phones output and single ended RCA as balanced outputs.
  • All the switching functionality in the preamplifier is managed with hermetically closed signal relays with Au/Ag contacts.
  • The volume control is realized with Bourns or Alps potentiometer to maximize balanced volume tracking.
  • Mains power supply consists of external unit that is adapted to different mains supply voltage 110V or 240V AC 50/60 Hz.
  • Inputs are selected with a three position toggle switch. All control logic signals are electrically isolated from the rest of analog circuits.
  • Enclosure is made of polished stainless steel and 3 mm anodized aluminum sheets. The inscriptions are laser engraved.
  • The remote IR control unit (as option) consists of a microcontroller that with a separated power supply. With this approach all the induced noises are maximally reduced. The volume regulation is controlled by a motor attached to a stereo potentiometer.
  • As an option the unit offers also a Phono RIAA input for moving magnet. The module is realized with two double low noise triodes. High grade capacitors and precision resistors are used.

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