Tag: Hickok 600A

Hickok 600A tube tester, fully restored and calibrated. This unit has a worn case but reliable, accurate performance. This unit has been sold.

Hickok 600A tube tester, fully serviced and calibrated. The case shows wear but the tester performs to factory specifications. This unit has been sold.

Hickok 600A tube tester, fully serviced and calibrated. The case is badly worn but the tester performs to factory specifications. This unit has been sold.