HBO







this video explains connecting pre to power amp especially for vintage stereo and sound improvements.
![]()

Let’s take a look at my old Hammarlund HQ110A Ham Radio / Shortwave Receiver.
![]()

tube leaked at about 5000 volts.
![]()

Experimental scientific Industrial export use only all testing done on a 50 ohm dummy load.
![]()


Thank You Everyone.
![]()
