nutube
  1. HiGHFLYiN9

    Sangaku DIY NuTube Headphone Amp / Preamp

    Great news for the headphone DIY community; Pete Millett has released his Sengaku design as a DIY friendly offering on his site: http://www.pmillett.com/sangakuDIY.html The original was a TTVJ offering in 2016 for $2K. Changes include swapping SMD for through-hole components and ditching the...
  2. Andykong

    Cayin C9: Dual Nutube, Fully Balanced Class A/AB Portable HeadAmp

    Cayin C9: TOTL Portable Headphone Amplifier Cayin was founded in 1993 and is one of the largest audio tube amplifier development and manufacturing facilities in the world. We have developed over 400 products to date, ranging from CD players to speakers, all of which provide the same...
  3. iBasso AMP9

    iBasso AMP9

    iBasso AMP9 - New Amp card module for the DX portable series, DX220, DX150 and DX200 High Current Output Vacuum Nuntube AMP card for iBasso DX220, DX200, DX150 Portable players - 6th Gen Nutube Tubes by Korg & Noritake
  4. Cayin N8 DAP

    Cayin N8 DAP

    Cayin N8 Master Quality Digital Audio Player Choice of Vacuum Tube and Solid State amplification in 3.5mm headphone output Dual Output Mode: High Impedance High Output Mode (HIGH2) delivers 200mWpc@300Ω (balanced) Outstanding digital audio capability with dual AK4497EQ, PCM decoded up to...
  5. HiGHFLYiN9

    Portable Headphone Amp Kit with Korg NuTube

    Flash back to mid-2017 and you may remember the super cool "NuHybrid" Headphone Amp that Pete Millett designed around the Korg NuTube. If you're not already familiar with the NuTube, the current model is called the 6P1, which is a thoroughly-modern, dual, very low power, directly-heated triode...
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