Product Details:

  • This project does not include a tube and you need to purchase it separately.

  • This project has been soldered to complete the test OK.

  • Use the tube: 12ax7*3, 6x4*1 or Use the tube 6N2*3, 6x4*1

  • Transformer secondary voltage requirements: ac250 to 270v, >30ma, 12.6v>2a (set of 6.3v for tube rectification)

  • Size: 261*120MM

  • Net weight: 0.34KG

Package Included:

  • 1 × Finished board
P.s.  transformer link：https://www.ebay.com/itm/163709964047