SIEMENS D3a / 7721

SIEMENS D3a / 7721
High transconductance long-life > 10.000 hours Frame Grid pentode produced for German Post by Siemens. These are triple mica version with gold pins. Can be used in triode connection as a great driver for 2A3 and 300B tubes. More than half of the stock are labeled as Valvo which came in with bulk package.
Quantity in Stock : Out of Stock!
Price : US$31.00/each; US$67.00/matched pair in original box
          US$26.00/each; US$57.00/matched pair in white box         

No comments:

Post a Comment

Related Posts with Thumbnails