RCA Matched Pair (2) 6L6 tNOS AT1000 TESTED Vacuum Tubes metal Beam Power Tetrode 1936-1965 | Reverb Italia
6550ASTR Single (1) NOS Beam Power Tube Remake of GE 6550 polished metal base | eBay
PCL805 SIEMENS TRIODE-BEAM POWER TUBE ~ PCL85 1pcs. | eBay
USED, Untested, EL81, Beam Power Tube - DSMCZ
6DQ6 BEAM POWER TUBE made by GENERAL ELECTRIC in WHITE BOX | eBay
Tutta Elettronica di A. Capponi
EL90 Beam Power Tube. A vacuum tube by Siemens, Germany #19918 | M-Ware
High Quality Beam Power Tube for Audio Frequency Power Electron Tube - China Electron Tube and Audio Amplifier Tube price | Made-in-China.com
Beam tetrode - Wikipedia
Beam Power Tetrode | Radiomuseum
The Beam Power Tube
JJ KT66 Power Tubes (Matched Pair)
BEAM POWER AND POWER PENTODE TUBES
RCA Matched Pair (2) 6V6 Beam Power tNOS AT1000 TESTED Vacuum Tubes metal Audio 1946-1952 | Reverb Italia
2E30 Beam Power Tube. Designed to function as a VHF transmitter tube or as a power output tube in battery powered amplifier. MFR: GE. SKU: 2E30. New old stock. No longer available
Beam Power Tetrode | Radiomuseum
Beam-Power Tubes
6V6G Beam Power Tube, various brands
6V6 Beam Power Tube, various brands
Beam Power Tubes | Electron Tubes | Electronics Textbook
RCA 35A5 Vacuum Tube New Old Stock Original Box Loctal Beam Power Tube - Etsy New Zealand
Beam tetrode - Wikipedia
Beam Power Tubes | Electron Tubes | Electronics Textbook