157-0039-00

The 157-0039-00 denotes a matched pair of 6AW8(A) (154-0095-00) tubes. The matching involves only the pentode secion of the tubes.

Matching Conditions

• Heater: Nominal
• Plate voltage: 120 V
• Screen voltage: 107 V
• Cathode current: 12.5 mA

Selection Requirements

A: Cathode bias of two tubes of a pair shall be within 50 mV.

B: Cathode bias must fall within 1.35 − 2.9 V

Selected part use

• 541 (V1025 & V1040 / serial nr. 101-6474)
• 545 (V1025 & V1040 / serial nr. 101-9291)

Pictures

• 

  Tek 157-0039-00