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iBasso AMP9

4
The AMP9 Korg Vacuum Nutube AMP Card from iBasso is specifically designed to be used with iBasso's DX150, DX200, and DX220 digital audio player. The AMP9 utilizes a high current drive and sixth generation Nutube vacuum tubes by Korg and Noritake....
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Hi-Fi Headphone Preamp iBasso AMP9

iBasso AMP9

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Product code: AMP9 | ID: 335690

iBasso AMP9

The AMP9 Korg Vacuum Nutube AMP Card from iBasso is specifically designed to be used with iBasso's DX150, DX200, and DX220 digital audio player. The AMP9 utilizes a high current drive and sixth generation Nutube vacuum tubes by Korg and Noritake. Together they are ideal for playback through low impedance monitors and headphones, all while providing the unique sound vacuum tubes offer. The AMP9 is engineered with components that effectively reduce power supply resistance and improve dynamic performance and resolution. The components include Susumu metal film resistors, custom gold-plated inductors, ROHM polymer tantalum capacitors, and Panasonic polymer tantalum capacitors.

Features:

  • Ideal for Low Impedance IEMs/Headphones
  • Vacuum Tube Sound with Korg Nutubes
  • High Current Drive with +/- 200mA Buffer
  • Buffers of up to +/- 200mA linear current output
  • Nutube Silicone shock absorber to reduce the microphonic effect
  • Manually tested and matched with an AP audio analyzer using 3 manually calibrated and matched multi-turn potentiometers
  • Signal and shield grounding are separated to prevent noise interference
  • Negative feedback on the amplifier circuit to reduce audio distortion and extend frequency bandwidth
  • Dedicated volume control to lower the noise floor for low volume
  • 3.5 mm single-ended output port

Parameters and specifications

Suitability

Type

Headphone Amp


Features

Number of Channels

1

Number of Outputs

1

Controls

Volume


Properties

Colour

Display

No


Inputs and Outputs

Outputs


Package

Package Contents


Power supply

Battery Operation

No


Country

Made in

China


Recommended accessories

Overall score based on 1 user review:

4

Heureka.cz

Overall impression

Date
03.09.2020

Modul používám s Ibasso DX220. Výborné je, že cca za jednu minutu mám úplně jiný charakter zvuku(.Amp1 vs Amp9).Jediné problematické je to šumění s mými Solaris 2020.Nevim,zda se šumění ještě trošku zahořením sníží(mám nahráno cca 15 hod),nicméně ten zvuk z Amp9 je opravdu návykový. Musím ovšem používat jen na hudbu,kde se něco děje...v tichých pasážích to prostě šumí.Posloucham Jazz,rock,akustiku.

Plusy: Oproti Amp1 mkII má AMP9 opravdu přirozený zvuk.Amp 1 mkII je spíše referenční,kdežto Amp9 naprosto přirozený a naturální .výměnou modulu za jiný a se získá velká změna charakteru zvuku.k modulu je i malý šroubovák,takže výměna je opravdu rychlá a snadná.

Mínusy: s citlivymi IEM (mám CA Solaris 2020) hodně šumíTrošku větší spotřeba baterie (cca 20 až 30% víc )Nemá žádný balancovaný výstup (2.5mm nebo 4.4mm)