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Commercial Manufacturers & Dealers
Alltronics Antique Electronic Supply Burle Industries Chelmer Valve Company D and C Electronics Eimac Electron Tube Enterprises	ESRC Vacuum Tubes Max-Gain Systems Penta Laboratories Radiodan REM broadcast tubes Richardson Electronics RF Parts	RSC-Valves Svetlana Thomas J Bruckner Tom´s Tubes WVS-Technology
Data Sheets
DF6NA Russian Tubes G8WRB	G0MJW Valve Data ND2X Russian Tubes	Tube.be
Data Sheets: Glass-Metal Triodes & Replacements
810 RCA 811A RCA 572B Svetlana	3-400Z Eimac 3-500Z Eimac 3-500ZG Eimac 3-500ZG Penta T510-1 Thales TB3/750 Philips	3-1000Z Amperex 3-1000Z Eimac 3CX1200A7 Eimac 3CX1200D7 Eimac 3CX1200Z7 Eimac 3CX1500D7 Eimac
Data Sheets: Ceramic-Metal Triodes
GI-6B GI-7B/GI-7BT/GI-70B GS-9B/GS-90B 8873 Eimac 3CX400A7 Eimac 3CX400A7 Svetlana 8875 Eimac	3CX800A7 Eimac 3CX800A7 Penta 3CX800A7 Svetlana 3CPX800A7 Eimac 3CPX800A7 Svetlana	GS-31B GS-35B 3CX1500A7 Eimac 3CPX1500A7 Eimac 3CX3000A7 Eimac 3CX3000A7 Svetlana
Data Sheets: Glass-Metal Tetrodes
QB2/250 Philips 4-125A Eimac 4-125A RCA 813 Penta 813 RCA QB3/300 Philips	4-250A Penta QB3.5/750 Philips 4-400A Eimac 4-400A RCA QB4/1100 Philips	4-1000A Amperex 4PR1000A Amperex QB5/1750 Philips
Data Sheets: Ceramic-Metal Tetrodes
4CS250R Eimac 4CX250B Eimac 4CX250B Penta 4CX250B RCA 4CX250B Svetlana 4CX250BC Svetlana 4CX250BM Penta 4CX250F RCA 4CX300A Eimac 4CX300A Raytheon	4CX350A Eimac 4CX350A Svetlana 4CX400A Svetlana GS-36B 4CX600J Eimac 4CX800A Svetlana GU-74B GU-43B	4CX1000A Eimac 4CX1500B Eimac 4CX1500B Penta 4CX1600B Svetlana 4CX1500A Penta 4CX1500A Svetlana GU-84B GU-78B
General Information
Vacuum Tube Valley FAQ