WE421a/ 5998 SET Amplifier for sale. This is a fairly new custom amplifier that I recently purchased used 2 weeks, data liked it so much I commissioned another one wit. THIS UNIT IS FOR SALE we421a ONLY IN THE US. No Overseas shipping please. Key in the code sheet for the data valve/ tube you wish to search for we421a and click the Query button.
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. 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. Quote: Just wanted to say that there are some rare tubes on sale here. Keyword 「 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「 全ての」 キーワードが含まれているデータを検索.
we421a tube data sheet
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.