Key in the code for the valve/ tube you wish to search for and click the Query button. Quote: Just wanted to say that there are some rare tubes data on sale here. Radio tubes are valves. Tube Data Sheet Locator. WE421a/ 5998 sheet SET Amplifier for sale. We421a tube data sheet. No Overseas we421a shipping please. Keyword data 「 真空管の品番」 と「 製造会社（ Brand） 」 を対象に、 任意のキーワードで検索します。 AND検索： スペースで区切られた「 we421a 全ての」 キーワードが含まれているデータを検索 This is a fairly new custom amplifier that I recently purchased used 2 weeks, liked it so much I commissioned sheet another one wit.
Western Electric Inventory last updated on September 27th, ) There is no bigger name in the history of vacuum tubes than Western Electric. Western Electric engineered, designed, produced or experimented with over 785 different tubes from. Many of these tubes were superb sounding audio tubes that are still in very high demand today. WE421A is the one to keep" Yes it is probably the best, though at $ 200- $ 250 per tube, I think I will have to give it a pass : - ) " GEC type has very nice mid range but the bass doesn' t go as deep as WE. 2 thoughts on “ Western Electric 421A ” tubemaze on August 11, at 10: 56 PM said: This tube is end of the road for people that have amps that use 6as7 or 5998.
we421a tube data sheet
Instructions & Tube Data Sheet ( Early) - pdf file Tube Data Sheet ( Later " R" series tube data sheet) - pdf file 89 series and 385 Tube Data - 6 MB pdf file 1939 Updated Tube List - 4. 7 MB pdf file 385 Technical Manual ( 12 pages) - 2 MB pdf file Model 391 P. Analyzer Technical Analysis - pdf file ( 12 pages) Model 400 Standard Tube Tester Tube.