4-400A ELECTRON TUBE VALVE EIMAC USA | eBay
4-400A Amperex Transmitting Tube NEW - Max-Gain Systems
Absolute Auctions & Realty
A 500 Watt Output 4-400A Linear Amplifier For 600 Meters
8438 Eimac Made in USA Vintage Power Tetrode Tube 4-400a Qb4/1100ga Cv3879 for sale online | eBay
250TH
4-400A-AMP Transmitting Tube, Broadcast / Industrial, 4-400A / 8438 / QB4 / 1100GA, MFR: Amperex (NOS)
QST . 117 Air-SystemSockets. LllTldC air-system sockets are custom designed to provideadequate cooling witli the most economical blower requirementsfor several Eimac radial-beam power tetrodes. 4-400A/4000 air-system socket is employed with Eimac
Search results for: '4-400'
4-400A-EI Transmitting Tube, Glass Envelope, MFR: Eimac (N.O.S.), 90 day or 2200 hrs, prorated
4-400A, Tube 4-400A; Röhre 4-400A ID21383, Transmitting Tetr | Radiomuseum.org
Eimac 4-400A power tetrode vacuum tube — Calisphere
Eimac 4CX1000A Amp Changed to 4-400A/4-250A or Penta Lab PL-175 or PL-6775 - YouTube
A 4-400A amplifier for c.w., s.s.b. or a.m.
Tube 4-400A / 8438 / QB4/1100GA / RS 1002 A
Eimac 4-400A Grounded Grid RF Amplifier Collins 30K-1 Cabinet From 1947 - YouTube
A 500 Watt Output 4-400A Linear Amplifier For 600 Meters
Philips 4-400a qb4-1100ga eimac 8438 cecc 45-03-006 vintage tetrode röhr gebraucht | eBay
A 500 Watt Output 4-400A Linear Amplifier For 600 Meters
4-400 Amplifier
A 500 Watt Output 4-400A Linear Amplifier For 600 Meters
Vacuum Tubes: Transmitting & Receiving: "4"
A 4-400A amplifier for c.w., s.s.b. or a.m.
