05-10-2014, 01:32 PM
Found this one on Ebay:
http://www.ebay.com/itm/ECH71-ECH21-LORENZ-SEL-TRIODE-HEPTODE-Rohre-Tube-Valve-NOS-NIB-NEW-IN-BOX-TESTED-/390926630146?pt=R%C3%B6hren&hash=item5b050afd02
Brand = Lorenz it has ECH21 and ECH71 printed on the envelope.
Lawrence.
http://www.ebay.com/itm/ECH71-ECH21-LORENZ-SEL-TRIODE-HEPTODE-Rohre-Tube-Valve-NOS-NIB-NEW-IN-BOX-TESTED-/390926630146?pt=R%C3%B6hren&hash=item5b050afd02
Brand = Lorenz it has ECH21 and ECH71 printed on the envelope.
Lawrence.







