TubeCube | 7 Stereo Vacuum Tube Amplifier

DIY-TC7

The TubeCube | 7 Stereo Vacuum Tube Amplifier is a great sounding, sleek looking amp at an affordable price. Not really a kit, this envy-inducing machine boasts a power output of 3.5W+3.5W at 8 ohms which is perfect for a desktop audio amplifier with bookshelf speakers. The TubeCube | 7 comes fully assembled and ready to play your favorite tunes with a matched pair of Sino EL84s and one Sino 12AX7B. Tube upgrades are available.


This tube amplifier not only sounds great, but takes up very little space on your desk. Here is a soda can next to the TubeCube | 7 for reference.

TubeCube | 7 Stereo Vacuum Tube Amplifier


You can connect your CD player, computer, or even your mobile device to the TubeCube | 7, all you need is an RCA cable and you are ready to listen to great tube audio. For phono use, you'll also need a phono preamplifier.

TubeCube | 7 Stereo Vacuum Tube Amplifier

The TubeCube | 7 is powered with a standard IEC cable. This amplifier can be used in any country as it runs on 100V - 240V AC. You will need to purchase the IEC cable appropriate for your country. Banana plugs and power cable sold separately.

Check out the Ken Rockwell review of this product.

How to Hook Up Your TubeCube | 7 In 30 Seconds:

  • Tube: Shuguang EL84 2pcs , 12AX7B 1pc
  • Power Output: 3.5W+3.5W @ 8 ohms
  • Frequency Response: 30-40Khz (+-1db)
  • Input Sensitivity: 500mV
  • Signal-to-Noise Ratio: -80dB / 3.5W
  • Residual Noise < 1mVac
  • Input AC Voltage: 100-250Vac
  • Power Consumption: 38W
  • Input Impedance: 50K ohms
  • Output Impedance: 8/6/4 ohms (Japan Z11-EI48*24 Output Transformers)
  • Dimensions: 130mm (w) x 130mm (d) x 130mm (h)
  • Weight: 2.6KG
  • Input: RCA Jacks
  • Output: Banana Jacks
  • AC: Standard IEC Jack with Fuse protection (2A Fuse)
  • Color: Black