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#1
30th September 2011, 07:49 AM
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6591 valves
Good morrning all, just had a PM from member John Jay asking, can he use 6591 valves in ECC83 curcuit? I can't answer his question, can any one help him please. Thank's. BOB
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#2
30th September 2011, 08:21 AM
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Re: 6591 valves
This is the only data I can find.
 It says it's an ATR tube, whatever that is. http://www.wps.com/archives/tube-dat...n-E-290S/3.JPG
__________________
Philip. Everything in this post is my honest opinion based on what i thought I knew at that very moment in time. 
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#3
30th September 2011, 08:46 AM
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Re: 6591 valves
This appears to be a tube specifically designed for use in radar systems. the giveaway is the operating frequency of 5400mHz!. It also has side/end contact connectors which are usually limited to very high frequency valves.
A no no methinks. John
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#4
30th September 2011, 01:05 PM
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Re: 6591 valves
Thank's John & Philip, I hope John Jay get'sthis too. BOB
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