3-500ZGThe 3-500ZG tube is a 3-500Z tube type that has a rugged graphite anode. This 3-500 tube version has an anode dissipation of approximately 600W if additional air flow is provided. 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. Availability: Usually ships within 24 hours. |
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