Tubes

All tubes are sold as matched pairs or quads as indicated below

6SN7

Raven line stage tube; Blackbird input tube

Shuguang

  • Standard Raven Tube

  • Characterized as a little “warm”

  • If your system is a little “bright”, the Shugaung 6SN7 can help soften the treble

  • 90-day warranty

  • $225 matched pair

Linlai

  • Standard Blackbird Tube

  • A more revealing tube that allows more of your system component character to be heard

  • 90-day warranty

  • $399 matched pair

Ray Tubes

  • Reserve 6SN7

  • Most transparent tube we have tested

  • Full 12-month warranty

  • $479 matched pair

6AX4

Raven rectifier tube

Various Brands Tested

  • 90-day warranty

  • $80 matched pair

OD3/VR150

Raven voltage regulator tube

Various Brands Tested

  • 90-day warranty

  • $25 matched pair

OC3/VR105

Blackbird regulator tube

Various Brands Tested

  • 90-day warranty

  • $99 matched quad

KT88

Blackbird driver tube

Linlai

  • Standard KT88-D tube

  • 90-day warranty

  • $650 matched quad

300B

Blackbird output tube

Linlai

  • Elite E-300B Standard tube selected for outstanding clarity, ability to provide instrument separation, and 3-demensional soundstage

  • 90-day warranty

  • $1,250 matched pair (each blackbird requires one pair)