Winged "C" 6H13C / 6AS7G

12 Reviews

Availability: Usually ships within 24 hours.

USD $ā€Ž49.95
SED Factory Closure

Production of the SED Winged ā€œCā€ tubes has come to an end. We have purchased as much stock as available from them that was not factory seconds. We were offered factory seconds at a lower cost however we declined. We do know these factory seconds have entered the marketplace.

Stock is limited and our price has been raised to reflect the higher purchase cost of this final product. SED Winged "C" tubes should now be considered NOS (New Old Stock).

The 6AS7G tube is best known for being the tube used in Atma-Sphere OTL Tube amplifiers. The Music Amplifier MA-3 uses 42 6AS7 tubes per channel!

The 6AS7-G tube is also a nice choice for many OTL headphone amps such as the Woo Audio 2, 3, and 22 models, and Darkvoice 336SE amps.

View the 6H13C tube data sheet.

Other SED Winged "C" tubes        6AS7 Tube Types

Additional Information and Downloads

Winged "C" 6H13C / 6AS7G 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

12 reviews

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Very Nice!

by -

Sounds great in the Woo Audio WA3. The stock tube (a GE JAN 6080WC) became microphonic and this was a suitable replacement.


by -

I love good tube amplification and I ordered this tube just to "try" it as I have other NOS RCA 6AS7G tubes on hand already. This tube, however, just blew me away! I mean seriously! I am trying out a new headphone amp and was going to return it as it was still within it's "return window". Then I received this tube from The Tube Store and put it in this amp I was in the process of evaluating. Even straight out of the box, I could hear there was something "special" going on with the sound! This particular tube is transformative and blows my other 6AS7G tubes out of the water! I've never heard such a change from one tube before and I've barely got 5 hours of listening on it! On top of this, the Customer Service I received from Haydn was beyond reproach. He went way over and above what I would have expected from a vendor in helping me out and he has firmly cemented me as a loyal The Tube Store customer. I'll be buying more from here with a smile!