filament & performance tested good, please see photo. Gas & cathode leakage also tested good. 6F6GT = CV731 = Power Pentode mu=1.8mA/V (spec=1.6 ) Notes : For overseas buyers, any applicable customs charges are the responsibility of the buyer

filament tested, please see photo.New old stock 12Y4 = CV523 = Diode Rectifier Notes : For overseas buyers, any applicable customs charges are the responsibility of the buyer

filament & performance tested good, please see photo. Cossor 210PGA Heptode Mutual conductance mu=0.8mA/V (=100%) (2nd scale of the meter) Notes : For overseas buyers, any applicable customs charges are the responsibility of the buyer

filament tested ok, please see photo. Sold on filament test only since I cant find a test sheet to do any further testing Notes : For overseas buyers, any applicable customs charges are the responsibility of the buyer

Pair (2) tube type number 6J7G Raytheon and Philco vintage vacuum tubes, ST shape, made in USA, tubes have mesh plates, clear top, mica snubbers, bottom side foil getter, engraved base, tubes tests: 80, 76 % Price is for all tubes pictured. We test all tubes we sell! We will combine shipping! Check out my other tubes! Tested on Triplett tube tester for shorts and leaks as well. Scale 1-100, good quality percentage on my Triplett starts at 54. Normal 0 false false false EN-US X-NONE X-NONE

Description. This item is two tubes 6CA7/EL34 Trigon Made in Germany. , Used / Tested .Four holes on plate , dimple on top , single O getter.Output vacuum tube for vintage power amplifier, Guitar Amplifier. Test reported via TV7D/U , around 40-42 .Tested with Circuit RL=3K , Vplate 185 Vdc , R cathode = 230 Ohm. 1st tube Ia = 84 mA 2nd tube Ia = 85 mA # Good sound. Price One pair of 6CA7/EL34 Trigon is 79 US$ . Shipping and Handling . S/H via Airmail registered by Thailandpost. Cost is 22 USD. Please kindly inform me before BIN , I cannot ship to some country .

Description. This item is two tubes 6CA7 GE Fat bottle Double O Getter Made in U.S.A. , Used / Tested .Output vacuum tube for vintage power amplifier, Guitar Amplifier. Test reported via TV7D/U , around 40-42 .Tested with Circuit RL=3K , Vplate 185 Vdc , R cathode = 230 Ohm. 1st tube Ia = 80 mA 2nd tube Ia = 79 mA # production dot mark is matched. # Good sound. Price One pair of 6CA7 GE is 159 US$ . Shipping and Handling . S/H via Airmail registered by Thailandpost. Cost is 22 USD. Please kindly inform me before BIN , I cannot ship to some country .

One (1) 6A7 6A7G GE vintage vacuum tube, ST shape, made in USA, tube has metal ribbed plates, smoked glass, printed base, clear top, tube tests: 78, 84 % New and shiny in original box. We test all tubes we sell! We will combine shipping! Check out my other tubes! Tested on Triplett tube tester for shorts and leaks as well. Scale 1-100, good quality percentage on my Triplett starts at 54. Normal 0 false false false EN-US X-NONE X-NONE

Two (2) 6D6 Sylvania vintage vacuum tubes, ST shape, made in USA, tubes have metal ribbed plates, clear top, printed base, smoked glass, mica snubbers, tube tests: 72, 74 % Scale 1-100, good quality percentage on my Triplett starts at 54.Price is for all tubes pictured. We test all tubes we sell! We will combine shipping! Check out my other tubes!

One (1) 75 Sylvania vintage vacuum tube, ST shape, made in USA, tube has black smooth plates, bottom side foil getter, printed base, mica snubbers, tube tests: 72, 76, 74 % New and shiny in original box. We test all tubes we sell! We will combine shipping! Check out my other tubes! Tested on Triplett tube tester for shorts and leaks as well. Scale 1-100, good quality percentage on my Triplett starts at 54. Normal 0 false false false EN-US X-NONE X-NONE

Pre Amplifier, Ampliifer icon Audio David Shaw CV181 White Base Valve. For sale is the above valve, fully working, I have other valves for sale so please check out my other listings, Collection in person welcomed

Mullard EL84 Audio Guitar Amplifier thermionic valve Yellow Print kM1 B3C4?Last few digits of code hard to makeout.This is only for 1 valve. Tested good on B&K tester

Mullard EL84 Audio Guitar Amplifier thermionic valve kM2 B6F2 Tested good on B&K tester

Audio Aero prima 24bit-192 KHz Dac CD player / valve preamp. Beautiful sounding player in excellent condition with remote control very sturdy box for safe delivery.07855143232 David.

One (1) tube type number 25C6G Sylvania vintage vacuum tube, ST shape, made in USA, tube has black ribbed plates, clear top, printed base, bottom side foil getter, tube tests: 100 % New and shiny in original box. We test all tubes we sell! We will combine shipping! Check out my other tubes! Tested on Triplett tube tester for shorts and leaks as well. Scale 1-100, good quality percentage on my Triplett starts at 54. Normal 0 false false false EN-US X-NONE X-NONE

6V6GT Brimar BVA. Made In England. Audio output valve. Havent tested it myself but I found this in its original packaging and it looks unused. Please message me with any questions regarding the item or shipping.

Ferranti 6Q7G Vintage Valve Tube. Octal base. Will be carefully packed for delivery

RCA 12SF5. Audio triode. Octal base. Will be safely packed for delivery.

This auction is for another rare balloon audio tube, this time up for auction is a rare Mazda PP5/400 balloon carbon plate circa 1940, equivalent of PX25, good looking tube.All filament for this Mazda PP5/400 are perfect and glowing OK see pictures However it has been tested at 20mA so it is a used tube still working for radios etc, Immediate payment required for this item! This is due to time-wasters who refuse to pay. If payment is not received within 24 hours I will sell it to second highest bidder without any further warning! Thanks Happy biddingI ship worldwide.UK GBP 8; Europe GBP 16; Asia: Hong Kong Taiwan China South Korea Japan GBP 20 USA GBP 20

This auction is for a rare balloon audio tube type DA30 (same shape of PX25) made by the MO-V Marconi. Military version, good looking tube.This DA30 is in working order and has two filaments glowing out of four, please check pictures.However it has been tested at 60mA with mA/V of 3 grid -65, still a good tube. Immediate payment required for this item! This is due to time-wasters who refuse to pay. If payment is not received within 24 hours I will sell it to second highest bidder without any further warning! Thanks Happy biddingI ship worldwide.UK GBP 8; Europe GBP 16; Asia: Hong Kong Taiwan China South Korea Japan GBP 20 USA GBP 20

This auction is for a rare balloon audio tube type NT40 PX25 made by the MO-V Osram. Military version, good looking tube.This NT40 is in working order and has two filaments glowing out of four, please check pictures.However it has been tested at 55mA with mA/V of 4 grid -30, still a good tube. Immediate payment required for this item! This is due to time-wasters who refuse to pay. If payment is not received within 24 hours I will sell it to second highest bidder without any further warning! Thanks Happy biddingI ship worldwide.UK GBP 8; Europe GBP 16; Asia: Hong Kong Taiwan China South Korea Japan GBP 20 USA GBP 20

Up for sale a nice Marconi-phone red label PX25.This is the PX25 with black plate used in many audio amplifiers.As you can see from pictures it has two filament glowing out of four however it has been tested with AVO 163 and I got 40mA with mA/V of 4 Immediate payment required for this item! This is due to time-wasters who refuse to pay. If payment is not received within 24 hours I will sell it to second highest bidder without any further warning! Thanks Happy biddingI ship worldwide.UK GBP 8; Europe GBP 16; Asia: Hong Kong Taiwan China South Korea Japan GBP 20 USA GBP 20

Two (2) 6AF6G 6AF6GT NOS vintage vacuum tubes, made in USA, tube tests good with good green eye, Price is for all tubes pictured. We test all tubes we sell! We will combine shipping! Check out my other tubes! Normal 0 false false false EN-US X-NONE X-NONE

Used, PCL82 audio output pentode valve used in televisions.,valve has not been tested but from memory came out of a working tv