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Nobsound Audio Mini 6j9 Vacuum Tube Headphone Amplifier Stereo HIFI Earphone Amp

About this product

Product Identifiers

BrandDouk Audio
MPNDZ023
GTIN0372040340119
UPC0372040340119
eBay Product ID (ePID)748237912

Product Key Features

Audio OutputsHeadphone Jack
Audio InputsAUX, TRS/Audio Jack
Number of Channels2
Number of Inputs1
Receiver Combo FeaturesBlu-ray Player, HD-DVD Player
ColorGold
Amplifier ClassA
FeaturesAnalog, Digital
Number of Outputs1

Ratings and reviews

4.7
19 product ratings
  • 16 users rated this 5 out of 5 stars
  • 1 users rated this 4 out of 5 stars
  • 1 users rated this 3 out of 5 stars
  • 1 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • Top favourable review

    I didn't expect this amp to be THIS good!

    I was skeptical that such a cheap little amp would be decent, but it is astoundingly good, particularly for such short bread! It has a very lively character with quick transients, yet it isn't especially bright or aggressive. Backgrounds are perfectly quiet too, no hum or hiss. It's doing a wonderful job of driving my Grado SR80i's, I've never heard such full, deep, tight, and textured bass from these cans before. Imaging is excellent as well, with wide separation and vivid depth of field. I am VERY impressed.

    Verified purchase: YesCondition: New

  • Top critical review

    Beautiful paper weight; I would not recommend or buy another one.

    While build quality of the casing seems adequate, the electronics leave a LOT to be desired. Very short almost useless power cord demands an extension cord (money saving tactic I suspect). Having both input and output sockets in the front is a design flaw....who does that??? The annoying squirrel buzz produced by the power connection in the back suggest low quality component usage...needs constant adjustment to prevent from arriving at the ear. Lastly, the hollow bell ringing when the body of the amp or the headphone core is touched is bad business for for uninterrupted listening pleasure. Does it sound good when listening while holding perfectly still...yes, and does it more that double volume to your headphones? Yes. and it also has a warm yet rich sound...yes. But the hassles outweigh the results in my opinion. It's embarrassing when letting others sample...screams CHEAP among all your other expensive gear.

    Verified purchase: YesCondition: New

  • Would have spent twice as much...

    The Mini 6J9 is small in size but not in sound! The sound QUALITY is superb as well. Can't imagine why I didn't buy a similar one for $100..would have been worth it. Use it currently with planar headphones and high ohm 600 series headphones. Superb product, great price!

    Verified purchase: YesCondition: New

  • Pretty cool for the money!!!

    Sure well made little device, especially for under $50. Vocals sound slightly fuller, and the music is a touch more warm. Not the night and day difference I’d hoped for, but my headphones are pretty efficient B&W P5, so maybe it makes a bigger difference on phones that are harder to drive. For $44.50, no regrets!

    Verified purchase: YesCondition: New

  • Get them both!

    Really fantastic out of the box. It produces more than enough power to handle difficult to drive headphones. Dead quiet too. I really like how the user can swap out various components to further modify its sonic footprint. I’ve paired it with the NS-10P to give me even more control over the sound. The NS-08E offers an incredible value for such a modest cost.

    Verified purchase: YesCondition: New

  • Buy it. :)

    My home setup is based on a tube preamp and tube amp. I bought this baby to run off my Topping D10 and drive my Sennheiser HD6XX for my office setup. I upgraded the tubes to NOS and changed the two TI OPA2164 opamps into a pair of LM4562. The background is clean and each sound detail comes alive with my setup. This little investment in time, effort, and US$50 surely paid off. :)

    Verified purchase: YesCondition: New

  • Just can say wow ! WOW ! Sounds like very hi end tube amp... Very Happy ! Listening with my HiFi Man heads set 1500 $. Thx

    Verified purchase: YesCondition: New

  • Great little amp

    This little amp works great. My only reservation is that I'm not fond of L.E.D.s lighting up a vacuum tube. Call me purist or Old School. Many people do.

    Verified purchase: YesCondition: New

  • Fantastic!

    As others have said, this amp rivals others that cost 20x more. It has plenty of power and has no problem driving my 300 ohm headphones.

    Verified purchase: YesCondition: New

  • Well worth the money

    I've got senn/hd58xx which sounds good with my mi max3 but running through the amp makes them sound great

    Verified purchase: YesCondition: New