I have 8 SIEMENS D3a / 7721 New old stock in original boxes ,tested new with Hickok 533a ,
USD $286.00
Bought these for a project that never happened
High trans-conductance long-life 10,000 hours Frame Grid pentode produced for German Post by Siemens. These are special quality with gold pins. Can be used in triode connection as a great driver for 2A3 and 300B tubes. From the golden age of German tube manufacturing.
Price includes priority mail shipping in USA, paypal add 3%
check my feedback on audioasylum username : genelex
USA sale only
USD $286.00
Bought these for a project that never happened
High trans-conductance long-life 10,000 hours Frame Grid pentode produced for German Post by Siemens. These are special quality with gold pins. Can be used in triode connection as a great driver for 2A3 and 300B tubes. From the golden age of German tube manufacturing.
Price includes priority mail shipping in USA, paypal add 3%
check my feedback on audioasylum username : genelex
USA sale only
Last edited:
Can you do better on price? I need four as spares for my amps.I have 8 SIEMENS D3a / 7721 New old stock in original boxes ,tested new with Hickok 533a ,
USD $286.00
Bought these for a project that never happened
High trans-conductance long-life 10,000 hours Frame Grid pentode produced for German Post by Siemens. These are special quality with gold pins. Can be used in triode connection as a great driver for 2A3 and 300B tubes. From the golden age of German tube manufacturing.
Price includes priority mail shipping in USA, paypal add 3%
check my feedback on audioasylum username : genelex
USA sale only
There's a quad available on eBay for 99usd (plus shipping from Deutschland.
Jim
Westport, MA
Sent from my HP 10 G2 Tablet using Tapatalk
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