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7591a

3/19/1997 3:18 PM
Al
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7591a
I have an Eico ST 40 hi-fi amplifier that has  
output tubes that are 7591A's. I have priced  
the tubes and they are very expensive. Is there a more economical sub, or circuit mod to replace with an easy to obtain tube like 5881 or EL 34, 6550.  
 
Thank you,  
 
AL

 
Replies:
john martin I have been replacing 7591s with... -- 3/20/1997 12:26 AM
Ken Lewellen Al, I would replace... -- 3/21/1997 9:25 PM
Jeff stick with the 7591A -- they are wo... -- 3/27/1997 10:12 PM