Vacuum Tubes
- TEKTRONIX - 6CB6 - Tube. Triode-Pentode. Matched set 6CB6.Special Price $12.95 Regular Price $17.99Tube. Triode-Pentode. Matched set 6CB6. Package: glass 9 Pin. Note: P/N: 157-021. Label reads 157002000. Maybe replaced with equal 6CB6A manufactured by GE, Tung-Sol, RCA and or Westinghouse. Learn More