T3211
The Tektronix T3211 is a Tek-made 3" CRT used in the 321. Typical acceleration voltage is 4 kV.
Part numbers:
- 154-0442-00 (154-442) = P2 phosphor
- 154-0443-00 (154-443) = P7 phosphor
- 154-0444-00 (154-444) = P11 phosphor
- 154-0433-00 (154-433) = P31 phosphor