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it belts out some great sound
It has now been wired to take a number of 9 volt batteries and a 1
golf carts
and DIY projects
Heathkit TT-1 Mutual Conductance Tube Tester Antenna wire it belts out some greatThe Heathkit TT 1 is a classic, professional grade mutual conductance tube tester, popular in the 1960s for its accuracy in testing tube health (transconductance, leakage) by loading tubes like real equipment, unlike simpler testers. Key features include constant current heater supplies, an ultra sensitive grid current test, and a direct reading ohmmeter. The unit powered up and the meter responded appropriately to a line adjustment The needle falls
US$ 1495.00
US$ 2096.50
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