6CA4 Datasheet(PDF) - General Electric Company
4pcs 6J4 Vacuum tube (~6AC7 ~6AJ7 ~1649 ~1682 ~6134 ~6AB7) Metal Base NOS VALVE | eBay
Equivalence table
6X4 - TekWiki
6X4 - Vint'Elec - Vintage electronic tubes
6X4 @ The Valve Museum
Equivalence table
Vacuum Tube - 6X4 / EZ90, Rectifier, Full Wave | Antique Electronic Supply
Tubes.tw (Vacuum tubes,parts..etc)
6C6, 6C7, 6C8-G | Electronic Vacuum Tube Specifications - KBápps.com
Tube Data Sheets – wauwatosa tube factory
6X4 Datasheet | Full Wave Vacuum Rectifier
6X4, Tube 6X4; Röhre 6X4 ID3258, Full-Wave Vacuum Rectifier | Radiomuseum.org
6X4, Tube 6X4; Röhre 6X4 ID3258, Full-Wave Vacuum Rectifier | Radiomuseum.org
6W7-G, 6X4 | Electronic Vacuum Tube Specifications - KBápps.com
Pair: GE 6202 Vacuum Tubes 6X4WA Pair of Ruggedized 6X4 Tubes - Etsy UK
List of vacuum tubes - Wikipedia
Tube 6Z4 and 6X4 Tube Rectifier Filter Power Board with Choke Coil Has Two LG216B
General Electric Company - 6X4 PDF 数据手册, 6X4 数据表- DataSheetBank
6X4 Tube Plus Conversion Seat on Behalf of EZ90/EZ80/6U4/6Z4 Front Stage Rectifier - AliExpress
6X4 Datasheet(PDF) - General Electric Company
7pin Plastic Vacuum Tube Socket Valve Base For B&w 6j1 6z4 6x4 12ae6 6at6 6bk6 12av6 6aq6 6j5 Hifi | Fruugo NO
VinylSavor: Tube of the Month : The 6X4
May I use solid-state replacements for 6x4 rectifier tubes (Quicksilver Full Function preamp)? | Steve Hoffman Music Forums
6BX4, Tube 6BX4; Röhre 6BX4 ID3843, Full-Wave Vacuum Rectifi | Radiomuseum.org
Tube type list
Mullard 6X4 Vacuum Tube Made in England New Old Stock - Etsy Hong Kong
