2022 New listing A3 vacuum Tube Preamplifier HIFI 6N3 Tube Professional headphone amplifier ► Photo 1/4
2022 New listing A3 vacuum Tube Preamplifier HIFI 6N3 Tube Professional headphone amplifier ► Photo 1/4
2022 New listing A3 vacuum Tube Preamplifier HIFI 6N3 Tube Professional headphone amplifier ► Photo 2/4
2022 New listing A3 vacuum Tube Preamplifier HIFI 6N3 Tube Professional headphone amplifier ► Photo 3/4

Photos of buyers

Specifications

  • Brand Name: TIANCOOLKEI
  • Output Type: LINE OUT (AUDIO OUT)
  • Recommended Headphone Maximum Impedance: 501-600 Ohm
  • Input Type: LINE IN (AUDIO IN)
  • Built-in Battery: No
  • DSD (Direct Stream Digital): No
  • DAC Model: MAX9722
  • Dimensions (WxHxD): 13.5*11.5*3cm
  • PCM: Yes
  • Bluetooth: No
  • Type: Professional Amplifier
  • Operational Amplifier Chips Model: NE5532
  • Channels: 2 (2.0)
  • Body Material: Aluminum
  • Signal To Noise Ratio: 105
  • Model Number: 6N3
  • Output Power: 1300mW (32 ohms)
  • Package: YES
  • WIFI: No

2022 New listing A3 vacuum Tube Preamplifier HIFI 6N3 Tube Professional headphone amplifier

Seller:
Alitools rating:
74%
/
Aliexpress rating:
100%
43.20 $
2   orders
/
1   reviews
Rating: 5

Price history

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Customer Reviews

A***T
April 23, 2020

I’d place an order for BLACK, but received a Silver. Seller response was fast on the chat, but each time of assurance from seller the item was not shipped until the final day of the waiting week after reminding the seller. THE GOOD: The Pre-amp sound good like you’re seated in front of the performance except there is no bass punch like the original source from MacBook Pro. You can hear instruments not audible before this Pre-amp. THE BAD: As mentioned no bass punch. The L and R channel are wrong. The L become R and the R become L,, or simply reversed your headphone to listen correct channel. the L socket for tube is loose.

I’ve to correct that somehow it was ordered as Silver, when what I wanted was a black. In this case, seller did not make any mistake on sending me a Silver. I would give add another star for that. 3 star. L and R channel are mess up! No bass punch, but feel like you’re sweating in front of a performance. Read my above review.

U***r
December 3, 2019

comes with US DC adapter. Already tested good.