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Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets. |
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19th Jun 2019, 5:10 pm | #1 |
Retired Dormant Member
Join Date: Mar 2010
Location: Carlisle, UK.
Posts: 164
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Can anyone identify this valve ?
Can anyone identify this valve please COSSOR no markings other than V9 etched under COSSOR on the top
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19th Jun 2019, 5:30 pm | #2 |
Octode
Join Date: Jul 2008
Location: Gloucestershire, UK.
Posts: 1,043
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Re: Can anyone identify this valve ?
Hello,
Probably a Cossor MP/Pen (5pin). https://www.radiomuseum.org/tubes/tube_mppen.html Yours, Richard |
19th Jun 2019, 5:34 pm | #3 |
Octode
Join Date: Dec 2018
Location: Llandeilo, West Wales, UK.
Posts: 1,092
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Re: Can anyone identify this valve ?
Likely an MPPen/B5. (Aka Mazda AC/pen, aka Mullard Pen4VA5...)
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Never Leave Well Enough Alone... Last edited by snowman_al; 19th Jun 2019 at 5:35 pm. Reason: Richard wins! |