Brand George Philbrick Researches INC.
Type Operational Amplifier (Tube)
Model K2-B
Country of Origin United States

Check the listing for details. Rare New boxed George Philbrick Booster Current Amplifier GAP/R Model K2-B. Condition: New, Made in United States. Listed at 125.00 USD. Very Rare New Unused George Philbrick Vacuum tube Operational Amplifier GAP/R Model K2-B. This is a booster current amplifier used with K2-W or K2-X to increase the available current output.

$62.50
$125.00