This 3-500 is a rugged graphite anode version of 3-500Z. Made in China. Warranty Information: 3,300 filament hours pro-rated, 24 months shelf time from date of purchase. Other Ham radio tubes Return to 0 through 5 Tube Types Each tube has a $7.00 shipping surcharge per piece to destinations within the USA and Canada. Click image to enlarge Availability: Usually ships within 24 hours. |
 Top of Page The easiest way to buy vacuum tubes. |