Vintage Single Channel RC Ivy mk 2 Carrier Wave Valve Rx

The Ivy Mk 2 Rx was a hybrid valve / transistor carrier wave receiver. Sold as a kit by Macgregor. Immensley popular with home builders as the well designed unit ,virtually ensured success for the builder. The transistors replaced the function of a high impedance relay in the Mk 1, a constant source of trouble in nearly all early single channel valve receivers.