Part Number: 12DGQ (Electron tube) Part Number: 12DH-01 (Component) Part Number: 12DH-01M (Component) Part Number: 12DH-02 (Component) Part Number: 12DH-03 (Component) Part Number: 12DH-06 (Component) Part Number: 12DH-07 (Component) Part Number: 12DH-08 (Component) Part Number: 12DH-09 (Component) Part Number: 12DH-10 (Component) Part Number: 12DH-10M (Component) Part Number: 12DH10MODEL (Ne) Part Number: 12DH-11 (Inmet corp - 12dh-11 - attenuato) Part Number: 12DH2S2 (Ne)