I have some more inventory I will never get around to using. All tubes are new NOS, never used and matched in pairs. Prices include shipping.

1. Raytheon “OB3” matched pair: $20 shipped

2. GE “OC3” matched pair: $22 shipped

3. Sylvania “OB3” matched pair: $22 shipped

4. RCA “OC2” matched pair: $22 shipped

5. Motorola “OA2” matched pair: $20 shipped

6. United Electronics “75CI” matched pair: $20 shipped

Thanks for looking!