Please DO NOT pay until an eBay invoice is sent to you - thank you. Please DO NOT bid if you have less then 15 feedback ! Please do ask me to falsify custom declarations ... Buy from a seller with 24 years on eBay with 100% feedback :-) For your consideration I have a rare Brimar 13D2 triode valve that tests very good :-) triple micas with double getters made at the Blackburn factory in England - superb for your vintage mono block or stereo amplifier - if you want your amp to sing then these are must :-) my photos show good detail - good luck. Tube 1 = 9.2ma/2.8gm = 95% & 8.2gm/2.7= 93% AVO MK4 new average = 9.0ma & 2.9gm = 100% Please read my recent 100% feedback and consider my photos as a reasonable and good representation of the item being auctioned - I pride myself with good packing ( no charge ) and with some goods I double box for safe arrival, pick up is always welcomed - if you have ANY questions please ask before bidding. Yes we combine shipping/postage on all our listings and ALL goods will be sent REGISTERED/TRACKED by Australia Post ( $3/registered/signature cost for Aussie customers ) in Australia. Shipping Internationally by Australia Post, this gives Tracking and or Signature on arrival and is a very good safe and reliable service I have used for 40 years :-) ** Please note : All electrical goods must be inspected/checked by a licenced electrical technician before any voltage is applied.

1 Pair (x2) CV1988 / 6SN7GT Military Valve/Vacuum Tubes - AVO Tested. Construction is identical to Sylvania war-time VT-231 but with UK military marking. Strong / balanced pair, ideal for hifi / guitar use, most likely NOS, most likley VT-231s (2 hole bad boys). Tested on a recently calibrated AVO VCM 160 with the following results; IA GMValve 1: A1 14.3 2.9 A2 14.3 2.9Valve 1: A1 8.7 2.6 A2 9.2 2.6 AVO NOS Specs: IA = 9.0 GM = 2.9 No leaks or shorts, solid base, shiny pins. eBay seller for over 20 years, buy with confidence. Valves will be shipped next day, carefully packaged, tracked and insured. Please drop a note with any questions. Shipping happily combined on multiple items.

A Marconi 6SN7GT/B65 Valve Very rare early metal base 6SN7GT/B65 with clear glass. Black plate and cup getter. Tester AVO VCM Ia1 = 8.5(mA), gm1 = 2.4(mA/V)Ia1 = 9.5(mA), gm1 = 2.6(mA/V) NOS specification: Ia = 9.0(mA) gm = 2.6(mA/V) *** This valve has also been tested in amplifier without any noise. *** Postage Costs I am happy to post this item to worldwide and combine postage cost on multiple purchases.

2x GE 6SN7GT Valves Tested by AVO VCM Tester Valve 1 Ia1 = 10(mA), gm1 = 2.86(mA/V) Ia2 = 10(mA), gm2 = 2.8(mA/V) Valve 2 Ia1 = 7.2(mA), gm1 = 2.6(mA/V) Ia2 = 7.5(mA), gm2 = 2.7(mA/V) NOS specification: Ia = 9(mA), gm = 2.6(mA/V) *** This valve has also been tested in amplifier without any noise. *** Postage Costs I am happy to post this item to worldwide and combine postage cost on multiple purchases. 20211002L005

My Ref: (V-0964) Please note this is a different valve to the other CV1988 I have listed Brimar CV1988 6SN7GT Valve Base is slightly loose but still tested fine on my PAC912 tester Unboxed Combined postal discount given

Tested on a fully restored TV7-DU, by Dan Nelson, pictures of evidence for this included in the listing. It was restored and calibrated on October 21st 2021. Tubes are tested for shorts. PC= Plate Current DC= Date Code Please note, TV7 data minimum is equal to 60%. For example, (insert model number here) min value 60. If the tube tests at minimum 60, that is equal to 60%. The number over (/) is the minimum test data result as described in the TV7 DU tube testing manual. So 60/ (min) 60 = 60% Tests NOS triode 1 109.4/50 PC 13.1 triode 2 110/50 PC 12.9 I mark all my tubes, so please dont waste your time seeking to send me back your old dead tubes. All testers read differently. I have sought to have my tester as accurate as possible. I will not be giving partial refunds because you have received different test result. All tubes will be shipped well, an example of how I pack is pictured in the listing. (obviously these tubes are not included) I wont be lying on a customs form I combine shipping. If the tubes are of significant value, the postage will be extra due to insurance.

Tested on a fully restored TV7-DU, by Dan Nelson, pictures of evidence for this included in the listing. It was restored and calibrated on October 21st 2021. Tubes are tested for shorts. PC= Plate Current DC= Date Code Please note, TV7 data minimum is equal to 60%. For example, (insert model number here) min value 60. If the tube tests at minimum 60, that is equal to 60%. The number over (/) is the minimum test data result as described in the TV7 DU tube testing manual. So 60/ (min) 60 = 60% Black plates triode 1 81/50 PC 10.3 triode 2 43/50 PC 5.2 I mark all my tubes, so please dont waste your time seeking to send me back your old dead tubes. All testers read differently. I have sought to have my tester as accurate as possible. I will not be giving partial refunds because you have received different test result. All tubes will be shipped well, an example of how I pack is pictured in the listing. (obviously these tubes are not included) I wont be lying on a customs form I combine shipping. If the tubes are of significant value, the postage will be extra due to insurance.

Please DO NOT pay until an eBay invoice is sent to you - thank you. Please DO NOT bid if you have less then 15 feedback ! Please do ask me to falsify custom declarations ... Buy from a seller with 24 years on eBay with 100% feedback :-) For your consideration I have a superb Philips Miniwatt 6SN7 triode valve made in Holland that tests above new specs :-) superb for your vintage mono block or stereo amplifier - if you want your amp to sing then these are must :-) my photos show good detail - good luck. Tube 1 = 8ma/3.1gm & 8ma/3.1gm both plates AVO MK4 new average = 9ma & 2.9gm Please read my recent 100% feedback and consider my photos as a reasonable and good representation of the item being auctioned - I pride myself with good packing ( no charge ) and with some goods I double box for safe arrival, pick up is always welcomed - if you have ANY questions please ask before bidding. Yes we combine shipping/postage on all our listings and ALL goods will be sent REGISTERED/TRACKED by Australia Post ( $3/registered/signature cost for Aussie customers ) in Australia. Shipping Internationally by Australia Post, this gives Tracking and or Signature on arrival and is a very good safe and reliable service I have used for 40 years :-) ** Please note : All electrical goods must be inspected/checked by a licenced electrical technician before any voltage is applied.

Please DO NOT pay until an eBay invoice is sent to you - thank you. Please DO NOT bid if you have less then 15 feedback ! Please do ask me to falsify custom declarations ... Buy from a seller with 24 years on eBay with 100% feedback :-) For your consideration I have a superb BRIMAR 6SN7 triode valve made in England that tests above new specs :-) superb for your vintage mono block or stereo amplifier - if you want your amp to sing then these are must :-) my photos show good detail - good luck. Tube 1 = 8ma/3.4gm & 8ma/3.4gm both plates AVO MK4 new average = 9ma & 2.9gm Please read my recent 100% feedback and consider my photos as a reasonable and good representation of the item being auctioned - I pride myself with good packing ( no charge ) and with some goods I double box for safe arrival, pick up is always welcomed - if you have ANY questions please ask before bidding. Yes we combine shipping/postage on all our listings and ALL goods will be sent REGISTERED/TRACKED by Australia Post ( $3/registered/signature cost for Aussie customers ) in Australia. Shipping Internationally by Australia Post, this gives Tracking and or Signature on arrival and is a very good safe and reliable service I have used for 40 years :-) ** Please note : All electrical goods must be inspected/checked by a licenced electrical technician before any voltage is applied.

Please DO NOT pay until an eBay invoice is sent to you - thank you. Please DO NOT bid if you have less then 15 feedback ! Please do ask me to falsify custom declarations ... Buy from a seller with 24 years on eBay with 100% feedback :-) For your consideration I have a superb RCA 5692 triode valve that tests above new specs :-) superb for your vintage mono block or stereo amplifier - if you want your amp to sing then these are must :-) my photos show good detail - good luck. Tube 1 = 6.5ma/2.6gm & 5.5gm/2.5 both plates AVO MK4 new average = 6.5ma & 2.2gm Please read my recent 100% feedback and consider my photos as a reasonable and good representation of the item being auctioned - I pride myself with good packing ( no charge ) and with some goods I double box for safe arrival, pick up is always welcomed - if you have ANY questions please ask before bidding. Yes we combine shipping/postage on all our listings and ALL goods will be sent REGISTERED/TRACKED by Australia Post ( $3/registered/signature cost for Aussie customers ) in Australia. Shipping Internationally by Australia Post, this gives Tracking and or Signature on arrival and is a very good safe and reliable service I have used for 40 years :-) ** Please note : All electrical goods must be inspected/checked by a licenced electrical technician before any voltage is applied.

Please DO NOT pay until an eBay invoice is sent to you - thank you. Please DO NOT bid if you have less then 15 feedback ! Please do ask me to falsify custom declarations ... Buy from a seller with 24 years on eBay with 100% feedback :-) For your consideration I have a new old stock RCA 5692 triode valve that tests above new specs :-) superb for your vintage mono block or stereo amplifier - if you want your amp to sing then these are must :-) my photos show good detail - good luck. Tube 1 = 6.5ma/2.6gm & 6.2gm/2.6 both plates AVO MK4 new average = 6.5ma & 2.2gm Please read my recent 100% feedback and consider my photos as a reasonable and good representation of the item being auctioned - I pride myself with good packing ( no charge ) and with some goods I double box for safe arrival, pick up is always welcomed - if you have ANY questions please ask before bidding. Yes we combine shipping/postage on all our listings and ALL goods will be sent REGISTERED/TRACKED by Australia Post ( $3/registered/signature cost for Aussie customers ) in Australia. Shipping Internationally by Australia Post, this gives Tracking and or Signature on arrival and is a very good safe and reliable service I have used for 40 years :-) ** Please note : All electrical goods must be inspected/checked by a licenced electrical technician before any voltage is applied.

A Marconi 6SN7GT/B65 Valve Very rare early metal base 6SN7GT/B65 with clear glass. Black plate and cup getter. Tester AVO VCM Ia1 = 8.5(mA), gm1 = 2.4(mA/V)Ia1 = 9.5(mA), gm1 = 2.6(mA/V) NOS specification: Ia = 9.0(mA) gm = 2.6(mA/V) *** This valve has also been tested in amplifier without any noise. *** Postage Costs I am happy to post this item to worldwide and combine postage cost on multiple purchases.

2x GE 6SN7GT Valves Tested by AVO VCM Tester Valve 1 Ia1 = 10(mA), gm1 = 2.86(mA/V) Ia2 = 10(mA), gm2 = 2.8(mA/V) Valve 2 Ia1 = 7.2(mA), gm1 = 2.6(mA/V) Ia2 = 7.5(mA), gm2 = 2.7(mA/V) NOS specification: Ia = 9(mA), gm = 2.6(mA/V) *** This valve has also been tested in amplifier without any noise. *** Postage Costs I am happy to post this item to worldwide and combine postage cost on multiple purchases. 20211002L005

Rare Brimar (STC) 6SN7GTY / CV1988 Military Valve/Vacuum Tube - AVO Tested Strong. Possibly NOS in excellent overall condition, made in the STC, Footscray facility. Grey staggered plates. Tested on a recently calibrated AVO VCM 160 with the following results; IA GMValve 1: A1 8.3 2.7 A2 9.2 2.8 AVO NOS Specs: IA = 9.0 GM = 2.9 No leaks or shorts, solid bases, shiny pins. eBay seller for over 20 years, buy with confidence - see feedback. Valves will be shipped next day, carefully packaged, tracked and insured. Please drop a note with any questions. Shipping happily combined on multiple items. For overseas purchases, please message for shipping quote before purchasing. Dont use untested valves in your amp using it as a circuit breaker!

Brimar CV1988 Tube for my man in Manchester.

Matched Pair CV1988 6SN7GTY Brimar Vacuum Tube Oct 1972 Date Code NOS. Tests Good on my serviced Hickok 6000A tube tester. From a collection of tubes collected in the early 1990’s with HIFI uses in mind.. Sourced through old Radio and TV repair shops throughout the midwest USA, Audiomart Magazine and Hamfests (pretty much pre-internet). Tested and boxed up in the day, unpacked present day. Tested again and available now as I thin the herd. Will Combine shipping. Let me Know if you are bidding on other lots. More coming!

NOS Matched Pair Brimar CV1988 6SN7GTY Great Brittan Vacuum Tubes Lot A11. Tests Good on my serviced Hickok 6000A tube tester. From a collection of tubes collected in the early 1990’s with HIFI uses in mind.. Sourced through old Radio and TV repair shops throughout the midwest USA, Audiomart Magazine and Hamfests (pretty much pre-internet). Tested and boxed up in the day, unpacked present day. Tested again and available now as I thin the herd. Will Combine shipping. Let me Know if you are bidding on other lots. More coming!

NOS Matched Pair Brimar CV1988 6SN7GTY Vacuum Tubes Great Brittan Oct 1972 A12. Tests Good on my serviced Hickok 6000A tube tester. From a collection of tubes collected in the early 1990’s with HIFI uses in mind.. Sourced through old Radio and TV repair shops throughout the midwest USA, Audiomart Magazine and Hamfests (pretty much pre-internet). Tested and boxed up in the day, unpacked present day. Tested again and available now as I thin the herd. Will Combine shipping. Let me Know if you are bidding on other lots. More coming!