Hello all, here we have a Mullard U54 GZ33 / GZ37 tall long plate rectifier valve. Made in Britain, rectangular getter type. Bakelite base. Both sides test 100% and it is balanced. The etch code is R81 B7J Items will be very well packed for delivery. Thanks for looking. Past Times Radio

Hello all, here we have a Marconi (made by Mullard) U54 GZ33 / GZ37 tall long plate rectifier valve. Made in Britain, rectangular getter type. Bakelite base. Both sides test 100% and it is perfectly balanced. The etch code is IS1 B0E Items will be very well packed for delivery. Thanks for looking. Past Times Radio

1x Mullard CV378 Valve Date Code: IS1 B7D1 Tested by AVO VCM Tester D1 = 73, D2 = 73 GOOD begins at 53 *** 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. 20220828L032

Mullard GZ37 CV378 Rectifiers ideal replacement to 5AR4 GZ34 - Test Strong pair Click images to enlarge Description   Mullard BVA - Made in England GZ37 CV378 rectifiers, missing guide pin. USED ideal for valve amplifiers test strong 1950/60s. A highly desirable pair of Mullard, Made in England CV378 GZ37 full wave rectifiers, USED, (missing guide pin although insertion into the socket will be clearly marked.)  and test strong. Ideal as a rectifier for Leak, Armstrong, Pye, Fisher or Scott or Heath valve amplifiers that employ a GZ34, although the GZ37 is slightly more rugged. These are the tall ST bulb type and were first introduced in 1958. A very robust rectifier capable of delivering 500Volts at 250MA ST shoulder type with a large 1-inch Bakelite base. Have been tested on my AVO valve characteristic tester and very closely matched sections. test strong. Test results Tube1) 71/70, and Tube 70/70 Will ship anywhere in the world at buyer expense. Please check out my other auctions for equally rare vintage tubes. NO RESERVE-small starting bid. Images sell! Get Supersized Images & Free Image HostingCreate your brand with Auctivas Customizable Templates. Attention Sellers - Get Templates Image Hosting, Scheduling at Auctiva.com. Track Page Views WithAuctivas Counter

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GZ37 Mullard New Old Stock Valve Tube AVO Tested

2 x Vintage Mullard GZ37 Rectifier Valves. They are used and in working condition. They were made by Mullard, in the UK, around the 1950s. They are loose and not in their boxes. There are 2 xGZ37 Full Wave Rectifier Valves.

MULLARD GZ32 VALVE CV378 BRITISH LOOKS NEW IN CARD WRAP GOOD QUALITY

GZ37 Mullard New Old Stock Valve Tube AVO Tested