Description
Tube socket rectifier adapter 1 Vacuum Tube Test Adapter For Hickok TV-7 Tube Testers Test GM70 Power Triodes IMPORTANT - BEFORE BUYING Please Read the following: If this item is returned for any reason, there is a $40.00 re-stocking fee that will be deducted from the return price. My test adapters are carefully built and tested and intended for buyers to retain them as a permanent part of their testing equipment. AN EXTERNAL POWER SUPPLY IS REQUIRED FOR FILAMENT VOLTAGE A 5-amp Variac or similar will work quite well. This new custom crafted tube test adapter allows the user to test the GM70 Power Triode Vacuum Tube on a Hickok TV-7 (any version) tube tester. Photos showing a GM70 tube are for demonstration purposes only and the tube is not included with the adapter. The 4-pin adapter plug is placed into the 4-pin socket on the tester and then the settings are made for the tube being tested. Inputs are provided for connecting an amp-meter to check plate current. Set-up instructions and test setting recommendations will be included with the adapter when purchased. This adapter is designed to work on Hickok TV-7 (any version). Felt pads are installed on the bottom of the adapter. This adapter is constructed with high quality components housed in a custom crafted plastic case. The case measures 3-3/4 inches wide, 4-3/4 inches deep and 1-1/4 inches high. Total height including the case and the plate circuit test leads is approximately 2-1/2 inches. AN EXTERNAL POWER SUPPLY IS REQUIRED FOR FILAMENT VOLTAGE A 5-amp Variac or similar will work quite well. Your purchase will be carefully packed and shipped quickly via the USPS. Shipping discount when purchasing other items using the same ebay buyer ID.