Hear the difference what a good rectifier tube makes!
Mullard Blackburn f32 5AR4 GZ34 tube. ONLY ONE AVAILABLE, NOT A PAIR. You can choose which tube you want of two; one is marked IEC. Box is tattered as seen in pictures.
Test GOOD on Triplett 3423 tube tester.
$7 fixed shipping within USA only, via USPS first class mail.
Payment through PayPal friends and family option only.