Osram MKT4 AVO Tested. New Old Stock. Unused Repurposed Osram carton. Test results for this valve: Ia (mA) : 38.5Gm (mA/V) : 3.1 Tests 100% Data Book Specification Ia (mA) : 32Gm (mA/V) : 2.7 Shipping: Tracked shipping. Any questions, please ask. I combine postage. No shipping to Russia.

Marconi MKT4 (5 Pin) Valve Tube NOS NIB Tests Good England See photos for condition. Tests good on Taylor Model 45C valve tester. Mutual conductance reading Gm 2.3 100% factory data in Taylor manual at Gm 2.1 UK shipping with MyHermes Tracked or Royal Mail. International shipping with Royal Mail International Tracked. I will combine postage on multiple valve orders. See my other listings!

In working order

AS FOUND, FROM RETIRED RADIO ENGINEERS WORKSHOP CLEARANCE.HEATERS CHECKED OK FOR CONTINUITY,OTHERWISE NOT TESTED.Postage and packing UK £5, in EU 14 GBP, 22 GBP Worldwide This includes Tracking I will always combine postage on multiple items where possibleAll buyers are encouraged to pay via Paypal. The description is as accurate as possible and packaging is always sufficient, see my feedback for evidence. However there may be the occasion when problems arise, in which case if the buyer is not happy with the purchase every effort will be made to resolve the dissatisfaction. Typical feed back:- You know a really great seller when things go wrong and he takes care of it.

Offered here an MKT4 5-pin valve (also marked 00 and P); the labels pretty much gone but it looks to me as if it was Osram. Its in good condition visually otherwise, but the base is taped as shown in the pictures; please also note this is untested, for spares/repairs. The vintage valves Im listing currently were from the collection of a retired audio & radio engineer who rarely kept anything that was not of use, so theyd certainly have tested OK when he last checked them, though that was probably 20 years ago. Since then thayve been stored (latterly by me) in dry, warm, indoor conditions, wrapped in paper in a box.I can send this item, securely packed, by 2nd Class within the UK for £3.49. Air Mail in Europe will be £8, worldwide Zone 1 (Japan, Canada etc) £11.35, Zone 2 (Oz) £12.25, Zone 3 (USA) £12.95 (sorry - postage has risen unbelievably in the UK lately).Im also very happy to post worldwide - please message me via Ebay for a quote to your location if the Ebay shipping options dont come up automatically!Ive done my best to describe this item to the best of my ability, and included pics so you can see for yourself. But, if you have any questions, please dont hesitate to contact me via the Ask Seller A Question button and Ill be more than happy to answer you, take more pics to email to you, etc. I want to make sure the winner will be happy! I check my emails many times daily so youll receive a quick response. Likewise if, after receiving the item, you are disatisfied please contact me to resolve the problem - communication is the key! Please also note my 7 day Money Back Guarantee and 100% Positive Feedback. I ask that you contact me by email within 3 days of the auctions end, and pay for the item no more than 7days after the auctions end, otherwise I reserve the right to re-list it or offer to the second highest bidder.Ill be listing further similar items in the coming weeks so please add me to your Favourite Sellers list and Watch This Space!

OSRAM MKT4.

Offered here an MKT4 5-pin valve (also marked 00 and P); the labels pretty much gone but it looks to me as if it was Osram. Its in good condition visually otherwise, but the base is taped as shown in the pictures; please also note this is untested, for spares/repairs. The vintage valves Im listing currently were from the collection of a retired audio & radio engineer who rarely kept anything that was not of use, so theyd certainly have tested OK when he last checked them, though that was probably 20 years ago. Since then thayve been stored (latterly by me) in dry, warm, indoor conditions, wrapped in paper in a box.I can send this item, securely packed, by 2nd Class within the UK for £3.49. Air Mail in Europe will be £8, worldwide Zone 1 (Japan, Canada etc) £11.35, Zone 2 (Oz) £12.25, Zone 3 (USA) £12.95 (sorry - postage has risen unbelievably in the UK lately).Im also very happy to post worldwide - please message me via Ebay for a quote to your location if the Ebay shipping options dont come up automatically!Ive done my best to describe this item to the best of my ability, and included pics so you can see for yourself. But, if you have any questions, please dont hesitate to contact me via the Ask Seller A Question button and Ill be more than happy to answer you, take more pics to email to you, etc. I want to make sure the winner will be happy! I check my emails many times daily so youll receive a quick response. Likewise if, after receiving the item, you are disatisfied please contact me to resolve the problem - communication is the key! Please also note my 7 day Money Back Guarantee and 100% Positive Feedback. I ask that you contact me by email within 3 days of the auctions end, and pay for the item no more than 7days after the auctions end, otherwise I reserve the right to re-list it or offer to the second highest bidder.Ill be listing further similar items in the coming weeks so please add me to your Favourite Sellers list and Watch This Space!