Using the 4E27 at HF - UK Vintage Radio Repair and Restoration Discussion Forum
Power tubes
Any great sounding & realiable triode-connected balanced PP design for upscaling ? | Page 2 | diyAudio
4E27 JAN CBOP tube VHF transmission (CavH7h6) | eBay
Gammatron 257B 4E27 — Retro Vintage Modern Hi-Fi
LEWIS ELECTRONICS TRANSMITTER Tube Jan cyn 4E27 £33.71 - PicClick UK
4E27 257-B Heintz Kaufman Vacuum Gammatron Pentode TUBE | #129920542
1 Lewis & Kaufman 4E27 Vacuum Tube - 125 Watt for Radio Transmitting Shelf a for sale online | eBay
4E27 RCA used - Tube World Express | Rca, Tube, Vacuum tube
Lot of 12 Transmitting Tubes 1625 807 802 4E27 RK-34 T-40 5993 1641 4-65A 6BG6G | #292578195
Glo Champ
4E27, Tube 4E27; Röhre 4E27 ID10593, Transmitting Tube, Pent | Radiomuseum.org
4E27 SE AMP
4E27, Tube 4E27; Röhre 4E27 ID10593, Transmitting Tube, Pent | Radiomuseum.org
4E27 SE AMP
Heintz and Kaufman And Gammatron 257B / JAN-4E27 VACUUM TUBE | eBay
4E27, Tube 4E27; Röhre 4E27 ID10593, Transmitting Tube, Pent | Radiomuseum.org
VINTAGE AMATEUR HAM RADIO AMPLIFIER 4E27 TETRODE TUBE NOS | eBay
SM5CBW - Tubedata
TUBO LEWIS AND Kaufman 4E27 NUEVO pentodo de transmisión tecnología inalámbrica radio tubo de radio EUR 14,90 - PicClick ES
Lewis Electronics JAN CYN 4E27 vacuum tube transmitting tube 8001 257B 5-125B - Etsy Italia
QST . tedKP4-Land. YX has new 75A-3 receiver. W4DKW now isABC. W7SVJ/KP4 and W8DRT/KP4 are on 75 meters.KH6ABS/KP4 is on 20-meter c.w. AAO is a Navy copterpilot. ML is back from
Gammatron 4E27/257-B pentode — Calisphere
Gammatron 257B 4E27 — Retro Vintage Modern Hi-Fi
LEWIS ELECTRONICS JAN4E27 POWER TUBE ELECTRON TUBE JAN-CYN-4E27 JAN CYN 4E27 | eBay
NOS MATCH QUAD EIMAC 4E27 CV824 8001 Transmitting Tubes, Pentode air cooled VHF $194.22 - PicClick
