Ulyanov 6C33C-B Power Vacuum Tube

3 Reviews

Availability: Usually ships within 24 hours.

USD $‎129.95
1 – 4USD $‎129.95
5 – 99USD $‎125.95

The Russian Military 6C33C-B power tube also works great in home stereos. If you own a Balanced Audio Technology VK-55, VK-60, VK-75, or VK-150 amplifier these 6C33 vacuum tubes are exactly what you need.

We've got a large supply and 6C33 sockets for it as well, if you're building your own amp. Contact us for quantity discounts.

Every 6C33C-B tube is tested and guaranteed.

Other Russian tubesBig Power Types

Additional Information and Downloads

6C33C-B Datasheet (PDF)

Download Adobe Acrobat PDF reader

Warranty Information and Return Policy

Warranty Period: 3 months

All our tubes are guaranteed for 3 months from the date of purchase. (Any exceptions will be noted on that tube's Warranty tab)

If you receive a tube that does not perform to the manufacturer's specifications, please do the following:

- contact us to get a return authorization
- return it via regular mail within 90 days from when we shipped it, and we will provide an exchange or refund of the full purchase price of the tube.

Returns not related to warranty or defect will be considered at our discretion, and are subject to a 15% restocking fee.

We can not accept returns that don't have an authorization, are past 3 month, or are returned improperly.

These guidelines may be updated without notice.

Ratings & Reviews

3 reviews

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Great tube knowledge and service!

by -

Tube store staff were very helpful used their expertise to provide me with 6c33cb tubes that would work well in my amp. Shipping and packaging exceeded expectations. They will be my go to vendor for this tube.

Great tube and great store


Shipped promptly, packed very well and good order communications. Tubes sounds nice.

My Review


THANK YOU again for the GREAT service! The Russian Fighter Plane is once again sounding better than ever!!! You guys are AWESOME!