1X New in Box 7027A Tube GE Top Halo Getter Tube Amplifier Tested Very Good with 

                        with results of 4700 GMT whith my Stark 9-66 ( Hickok ) when minimun working is 3150 GMT

                        and Maximun rated at 5000 GMT. 

                               

             

                

                                  Shipping is $18 for Canada and $15 for USA .