Mullard6X4/EZ90Black PlateSquare GetterRectifier Vacuum Tube. This tube is labeled as Mullard/Gr. Britain.There are no top seams and date code is not visible. Fully tested by calibrated Hickok 539C tube testerwith no shorts, leakage or gas. Measurement: 98/100where minimum good value is 54 Tightly balanced and strong! I will gladly combine shipping upon request. __________ The tube(s) in this sale include a 30-day satisfaction guarantee.I strive to ensure you have a completely satisfactory purchase experience.If you are unhappy with your purchase for any reason,you can return the item for a full refund. Please contact me directly prior to opening a return or leaving feedback.I will almost always reply at least within 24 hours to remedy the situation for you with direct communication.

MULLARD 6X4 (EZ90) TUBE as pictured, it in very good condition (tested) Note: You will receive the tube exactly as shown (we dont use stock photo) and this selling is final (no return or refund). Please buy or bib accordingly. Thanks for looking.

Vintage Mullard EZ90 6X4 Square Getter Valve Tube Used.

Vintage Mullard EZ90 6X4 valvefilament tests ok - no other testing done. removed from working equipment. no guarantees no returns. marked Oa deltaM on the bottom by pins. if you buy more then 1 valve postage can be combined - up to 3 valves for one postage cost

MULLARD EZ90 6X4 TUBE as pictured, it in very good condition (tested) Note: You will receive the tube exactly as show (we dont use stock photo) and this selling is final (no return or refund). Please buy or bib accordingly. Thanks for looking.

Vintage Mullard EZ90 6X4 valvefilament tests ok - no other testing done. removed from working equipment. no guarantees no returns. marked Oa deltaM on the bottom by pins. if you buy more then 1 valve postage can be combined - up to 3 valves for one postage cost

Mullard EZ90 Black Plate Square Getter Valve/Tube Used Tested (M311). BK600 test = 88 good strong valve

VERY RARE MATCHED PAIR OF GEC CV4005 6X4 FULL WAVE RECTIFIERMULLARD YELLOW PRINT BRANDING, BUT DEFINITELY GEC - SEE PHOTOS AVO VCM163 TESTED ?BOTH TESTED STRONG CLASSIC BRITISH TUBES ?PLEASE SEE MY OTHER AUCTIONS

Mullard, Made in EnglandVintage Yellow Print EZ90 6X4 Valve TubeSquare GetterFully Tested on AVO VCM 16396/99Used, Supplied in White Box

MULLARD 6X4 (EZ90) TUBE as pictured, it in very good condition (tested) Note: You will receive the tube exactly as shown (we dont use stock photo) and this selling is final (no return or refund). Please buy or bib accordingly. Thanks for looking.

MULLARD EZ90 6X4 TUBE as pictured, it in very good condition (tested) Note: You will receive the tube exactly as show (we dont use stock photo) and this selling is final (no return or refund). Please buy or bib accordingly. Thanks for looking.

MULLARD EZ90 6X4 TUBE as pictured, it in very good condition (tested) Note: You will receive the tube exactly as show (we dont use stock photo) and this selling is final (no return or refund). Please buy or bib accordingly. Thanks for looking.