Tubes
Testers
Companies
Submit
About

Tube Database (7,341 tube types · 1,270 archive entries)

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)

Disclaimer Submit a tube

Tube record

U52, 5U4G

Brand: Marconi

Base: Black
Bottle Height: Tall Bottle
Brand Extended: The Marconiphone Co. Ltd.
Country: Great Britain
Getter: Bottom Getter
Glass Color: Clear Glass
Mica: Double

Archive ID

ywbi45h0

Pin Color

Silver

Plate Color

Black

Plate Look

Smooth

More tubes branded Marconi

Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 10
6CA7, XF4
Brand
Marconi
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 8
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 7
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 3
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 9
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 6
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 5
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 4
B329, 12AU7
Brand
Marconi
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 4

More U52 type tubes

Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 3
U52
Brand
Osram
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 2
U52
Brand
G.E.C.
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 7
U52
Brand
Marconi

Equivalent and related tube numbers

Commonly cross-referenced designations for 5U4G. Compatibility is not guaranteed. Before substituting, verify socket and pinout, heater voltage and current, bias requirements, and maximum ratings against the relevant manufacturers’ datasheets.