One vintage Amperex 6BL8 ECF80 tube.  Marked Austria with code B9E A7K3.

Condition:  Used.  Tested on a B&K 747B with a minimum good of 65 / 65.

Test  Results: 90 / 105

Please email with any questions.

Shipping is typically with 24 hours of payment (excluding weekends).

Payment must be received with 7 days of purchase.

Thanks for looking and please check our store for many more great vintage tubes!