- Las Vegas, Nevada, United States
- Jun 14th
A rare famous Simpson model 1000, plate conductance tube tester in good working condition, with a very clean operator's manual , it includes obsolete tube set up data. It is important for tube testing, it should be used a tester with plate conductance checking as Simpson does or transconductance checking as Hickok and B & K can do, lf you want to match a pair of tube for push pull, or stereo SE amplifier for both channel has same characteristics tube.