Topping A90 Discrete

Hi-Fi Balanced Headphone Amplifier

D for Discrete The A90 Discrete, or A90D, is an upgraded version of the groundbreaking A90. As its name suggests, the A90D uses fully discrete components in a complete redesign...
IDR 10.183.000
IDR 9.000.000
IDR 10.183.000
Color: Black
Subtotal: IDR 10.183.000
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Topping A90 Discrete

Topping A90 Discrete

IDR 9.000.000 IDR 10.183.000

Topping A90 Discrete

IDR 9.000.000 IDR 10.183.000
Color: Black

D for Discrete

The A90 Discrete, or A90D, is an upgraded version of the groundbreaking A90. As its name suggests, the A90D uses fully discrete components in a complete redesign of the A90 NFCA module. Four discrete NFCA modules using 39 transistors each form the fully balanced amp architecture.

R2R volume control

The A90D uses an R2R volume control composed of relays and resistor networks, bringing the advantages of precise control, longevity, and complete channel balance.

Calling All Cans

Planar magnetic, electrostatic, dynamic drivers, IEMs—pick your poison, the A90D can handle it. Thanks to its high output voltage, high output current, and low output impedance, the A90D can push loads of power into high-impedance full-sized headphones or pare that power back in order to drive sensitive IEMs.

Say goodbye to ground loop noise

The A90D solves this issue with a GND/LIFT switch. When in normal use, set the switch to GND. If you encounter ground loop noise, set the switch to LIFT, which will change the ground point of the A90D from its chassis to the equipment it’s connected to, eliminating the noise.

Pre-amp mode

With the A90D in pre-amp mode, connect a power amplifier to drive bookshelf, desktop, or floor speakers. You can also connect the A90D to the D90SE/LE DAC in pre-amp mode to create a complete high-end sound system.

Features

  • Headamp/pre-amp
  • NFCA discrete modules
  • 9800mW x2 output power
  • Outputs: 4-pin XLR, 4.4 balanced, 6.35mm SE
  • R2R relay volume control
  • Ground loop noise terminator
  • 12V trigger interface
  • 2 gain settings

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