Audio Tubes Direct Is An Authorized Tung-Sol Dealer.

This set includes: (4) Matched Tung-Sol 6550 power tubes

(4) Tung-Sol 12AX7 preamp tubes

(1) Balanced Tung-Sol 12AX7 preamp tube

Manufactured in the famous Reflector plant in Saratov, Russia, these brand new tubes have been tested on the industry’s most reliable, voltage controlled testing equipment and exceed all manufacturer’s specifications. They are guaranteed from the manufacturer to be new and free from any defects in materials or craftsmanship and are backed by our 30 Day Warranty.

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