Siemens (Halske) ECC81 / 12AT7
Note: Our current stock were labeled for Telefunken. However the construction and etched code make it clear that these were made by Siemens. Etched code includes: VF5 ≠
The German NOS Siemens (Halske) ECC81 (12AT7) tube is a fantastic alternative to Telefunken ECC81. Very high quality from the 1960's. Small grey plates and halo getter.
Other NOS Treasures 
12AT7 / ECC81 Tube TypesWarranty Information and Return Policy
Warranty Period: 3 monthsAll 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.