HammondWiki - Diff: SixtyFiveFifty

Differences between version 6 and previous revision of SixtyFiveFifty.

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Newer page: version 6 Last edited on August 31, 2006 3:20 pm. by
Older page: version 5 Last edited on November 9, 2004 9:07 am. by
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-The 6550 is the output tube used in Leslie model [122|Leslie122], [147|Leslie147]  
-and various other amplifiers. (Actually, they're used in pairs.)  
-  
-For pictures of the guts of one, see http://www.dominik-termeer.de/6550.html.  
-  
-The 6550 tube was developed by Tung-Sol Electric, Inc. as a high-output audio tube in the mid-1950's. 6550's might be found in Leslie amps with the Leslie private-label brand applied but they can be identified as Tung Sols by the EIA (Electronic Industries Association) manufacturer's code "322." _NewOldStock_ ("NOS") Tung-Sol 6550s are widely sought-after and command high prices.  
-  
-A variant of the tube, the 6550A, was developed by G-E. The G-E tubes can be differentiated from the Tung Sol tubes by shape: The G-E tubes have a straight-sided glass envelope; Tung-Sols have the cooler-looking "shouldered" or "Coke-bottle" envelope.  
-  
-6550 tubes are no longer manufactured in the US, but are still being produced in Russian factories.  
+<?plugin RedirectTo page= 6550 ?>  

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