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ALIENTEK D8 Full Digital Amplifier FDA STA326 USB XMOS Class D 2x 50W / 8 Ohm Black

ALIENTEK D8 Digital Amplifier STA328 Class D stereo 2x 80W / 4 Ohm Black
The FDA Class D amplifier STA326 DDX Alientek D8, complete controllable via remote control, integrates as standard an analog digital converter PCM5122.

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4.5 / 5

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The FDA Class D amplifier STA326 DDX Alientek D8, complete controllable via remote control, integrates as standard an analog digital converter PCM5122.

Associated with an S / PDIF interface WM8805 with a jitter of 50ps, an interface USB XMOS on a separate card, this integrated amplifier opens the door to High Definition at a democratic price.

The quality of its components is high-level with a 12dB analog filter at the output of neat amplification featuring film capacitors, armored coils Miden 8A limiting the noise noise on the harmonics.

Analog input capacitors are audiophile quality Elna. The Alientek D8 will also be a desktop companion with headphone amplification MAX9722 in 6.35mm jack capable of "driver" sedentary models with high impedance.

It has three digital inputs (USB, S / PDIF coaxial and Toslink optics).
Its bright, readable OLED display displays in real time the source used as well as the sampling rate of the audio file being played.

This all-in-one amplifier is also equipped with a digital equalizer with many functions (bass, treble, mute etc.) adjustable directly from the remote control.

hewill prove to be the ideal companion for any digital source.
Hisergonomics, sa compacity are notable assets, plus its versatility.

The Alientek D8 amplifier is OTG(USB input) compatible with Android smartphones.

Disconnect speakers and listen to headphones:

To be able to switch off the loudspeaker output by connecting a headset, you must do the following:

  • Go to menu 6 (Double click on the volume button),
  • To choose NO, and exit the menu correctly with Exit,
  • After selecting NO, the "Mute" function on the remote control will deactivate your speakers but not the headphone output. So you can listen to the headphones without the speakers back.

Alientek D8 review by Qobuz

" This Alientek D8 amplifier fits perfectly into the line of the new digital amplifiers and we appreciated its sound qualities on speakers, as well as on headphones, and also the possibilities offered by its display, while its many equalizations may prove useful if necessary. "
Test Qobuz

This amplifier emits a slight breath into the speakers during silent passages in the music. Although the phenomenon is very slight, it is still important to take into account when using desktop speakers with close listening.

When the XMOS driver is installed on Windows 10, it may be necessary to disconnect and reconnect the USB to be detected at startup. The problem does not arise with the default driver included in W10.

Features:/ Strong>

  • S / PDIF Interface WM8805
  • Interface USB XMOS U8
  • Analog to digital conversion input: ADC AK5358
  • DSP ARM Cortex M3 32 bit programmable
  • DAC PCM5122 112dB: Technical document in attached file below
  • Headphone Amplifier MAX9722 32Ohm 130mW
  • OLED Display 1.3 "
  • Displaying sampling rate
  • Digital equalizer (bass adjustment -12dB to + 12db) (treble -12dB to + 12db)
  • Low-noise filter capacitors
  • Amplifier module STA326 : 2 x 80W at 4 Ohm, 2x 50W at 8 Ohm
  • Filter Capacitors Power: Nichicon4700μF
  • Signal to Noise Ratio (SNR): 100dB
  • Frequency response: 20Hz - 22kHz
  • Supplied remote control or rotary encoder

Secondary functions:

  • Auto Standby and Start Support
  • Detection protection system on speaker terminals

Digital and analog inputs:

  • Inputs: S / PDIF Optical Toslink, Coaxial and USB-B
  • RCA Plated Analog Inputs Gold
  • Outputs HP: On screwed terminal blocks supporting banana plugs 4mm
  • Headphone Jack Jack 6.35mm
  • Supplied 28V 4.3A Power Supply

Dimensions and weight:

  • Dimensions: 140x108x32mm
  • Weight: 1200g
  • Black color
  • Bundle: USB-A to USB-B / 4 Gold-plated Bananas / Remote Control and Power Supplies included



 
Data sheet
InputSPDIF
InputUSB-B
InputUSB XMOS
InputRCA
InputOptical
InputUSB 3.0
OutputSpeaker terminal
ColorBlack
Components / ChipPCM5122
StructureAluminium
Channel2 channels (Stereo)
ClassClass D / T
amplifier chipSTA326
Power (max)50W
 
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Average votes
4.5 / 5
46 reviews
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Note :
 5/5
Date :
C est mon troisieme
Suite à ma première impression il m avait plu et je l ai mis au bureau. Tellement bien que j en ai acheter un deuxième pour ma mère qui voulais changer sa chaîne des années 70 et avoir un tout en un. Ce troisième est pour ma petite pièce, une chambre d amis, modifiée en bureau de confinement. Avec des monitor audio bronze 2 c est juste parfait. J avais un ampli marantz qui était tout mou et pas de dac. L alientek a tout les avantages, clair précis, dac correct, entree usb au top, télécommande qui prend bien sans devoir être devant l ampli, bref très content.
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This review has been posted for ALIENTEK D8 Full Digital Amplifier FDA STA326 USB XMOS Class D 2x 50W / 8 Ohm Black
Note :
 5/5
Date :
Tutto OK!!
Spedizione abbastanza veloce malgrado emergenza COVID-19...sono soddisfatto del prodotto e del servizio offerto da Audiophonics grazie!!
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This review has been posted for ALIENTEK D8 Full Digital Amplifier FDA STA326 USB XMOS Class D 2x 50W / 8 Ohm Black
Note :
 4/5
Date :
Alientek D8
I first tested by D8 with my Headphone: Windows PC -foobar2000 - XMOS USB - Hifiman HE1000. Worked like a charm. Sound quality is pretty impressing, highly resolving, not too harsh though, with almost black background and plenty of headroom even with recordings at lower volumes. Wow! Didn’t expect that at such a price. Any EQ settings do not affect the headphone output, but that's all right.

Next I connected a pair of Dali Rubicons. Not impressed this time, the sound was concealed by a very disturbing hiss, clearly audible at low volumes and still noticeable at middle ones. That’s bad! Renders the D8 completely useless for critical listening, at least with this kind of speakers. To my ears it’s far worse than I expected based on Audiophonics’ warning:

"This amplifier emits a slight breath into the speakers during silent passages in the music. Although the phenomenon is very slight, it is still important to take into account when using desktop speakers with close listening."

So I packed out my toroidal coil (100uH/3A) which I bought just in case, based on the advice of a tinkerer on diyAudio. I unscrewed the box, cut the conducting path at the marked spot, scratched open a solder pad on each side of the cut and soldered two wires onto them to connect the coil to. Closed the box and ahhh! The HISS IS GONE, completely gone! A big THANK YOU to the tinkerer!

Eventually, I could start enjoying the music and the quite powerful dynamics of this little baby. Wow! Now I am pleased. The sound is crisp and clear, much better than I could expect from such a miniscule device - both in terms of size and price. Makes me think why the manufacturer did not add a 50 cents inductor to the circuit in the first place. I am not being pedantic here but I have to deduct one star for this.

* https://www.diyaudio.com/forums/attachments/class-d/660221d1517587780-fda-alientek-d8-inductor_placement-jpg
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This review has been posted for ALIENTEK D8 Full Digital Amplifier FDA STA326 USB XMOS Class D 2x 50W / 8 Ohm Black
Note :
 5/5
Date :
Rapport qualité/prix imbattable
Cela fait maintenant deux semaines que j'ai reçu mon Alientek, voici donc mes impressions :

Le colis arrive rapidement et bien emballé. On est d'abord surpris par les dimensions réduites et le poids plume de l'appareil.

Dans la boite, un mode d'emploi en Anglais et en Chinois, mais pas de panique, on peut télécharger la version française sur la fiche produit d'Audiophonics.

J'ai fait quelques années de solfège pendant mon enfance et appris à jouer de quelques instruments par la suite. A défaut d''être un expert, je me qualifierai plutôt comme un audiophile enthousiaste.

J'ai acheté cet ampli pour avoir un fonds sonore dans mon bureau où je passe de longues heures, soit par lecture de fichiers sur mon ordinateur, soit par les webradios.

Au départ, je pensais connecter mon PC à l'ampli via la prise optique (Toslink), mais ayant vu qu'il y avait une possibilité de relier l'ampli avec une prise USB, j'ai pu constater que le son était meilleur de cette façon.

Un conseil pour ceux qui veulent utiliser le mode USB, il est préférable d'installer le driver Xmos (à télécharger dans la rubrique de la fiche) AVANT de faire la connexion. Sinon, Windows va charger son driver maison et il faudra désinstaller l'ampli (gestion des périphériques), installer le driver et rebooter.

Le son, transmis par des enceintes de qualité issues de mon ancienne chaine est en ce qui me concerne, tout à fait satisfaisant et à la hauteur de ce que j'attendais. Par le menu, on peut jouer sur les basses et les aigus.

Un petit détail : pour utiliser un casque, il faut paramétrer la rubrique MuteRelated sur No, ainsi l'utilisation de cette commande coupera uniquement les haut-parleurs et laissera la prise casque active.

En résumé, un bon produit qu'il ne faut pas hésiter à adapter à ses propres paramètres, avec un rapport qualité prix imbattable.
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This review has been posted for ALIENTEK D8 Full Digital Amplifier FDA STA326 USB XMOS Class D 2x 50W / 8 Ohm Black
Note :
 4/5
Date :
Great Sound at an even better Price
You can purchase these for a cheaper price on ali-express. But the price here still isn't bad. Sound is great, and no major complaints to note. Highs are clean and detailed, mids and lows also sound adequate. Definitely recommend this DAC/amp combo if you don't need a lot of options.
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ALIENTEK D8 Full Digital Amplifier FDA STA326 USB XMOS Class D 2x 50W / 8 Ohm Black
The FDA Class D amplifier STA326 DDX Alientek D8, complete controllable via remote control, integrates as standard an analog digital converter...

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