2 RCA 42EC4 42EC4A PY500 PY500A Vacuum Tubes Valves NOS NIB Lot Of Two
2 RCA 42EC4 42EC4A PY500 PY500A Vacuum Tubes Valves NOS NIB Lot Of Two
2 RCA 42EC4 42EC4A PY500 PY500A Vacuum Tubes Valves NOS NIB Lot Of Two
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2 RCA 42EC4 42EC4A PY500 PY500A Vacuum Tubes Valves NOS NIB Lot Of Two

$12.50
$12.50
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These two new old stock, new in box RCA 42EC4A / PY500A tubes tested to spec on our Paul Hart-calibrated TV7/U.