[R-390] Heat Death

[Les Locklear]

The JX-28 is an interesting receiver, dual voltage regulators, an OA2 and a 
OB2 and a different agc control circuit. Not much known about it. Not many 
built.

Les

-----Original Message----- 
From: David Wise
Sent: Tuesday, December 04, 2012 3:05 PM
To: R-390-List
Subject: Re: [R-390] Heat Death

Thanks, Les, I didn't even know about the JX-28.

Dave Wise

>-----Original Message-----
>From: Les Locklear [mailto:leslocklear at hotmail.com]
>Sent: Tuesday, December 04, 2012 12:36 PM
>To: David Wise; R-390-List
>Subject: Re: [R-390] Heat Death
>
>JX-28/R-620 used it as did the VLF-31. Possibly some later
>production models
>also. I no longer have all those manuals available.
>
>Les
>
>-----Original Message----- 
>From: David Wise
>Sent: Tuesday, December 04, 2012 12:50 PM
>To: R-390-List
>Subject: Re: [R-390] Heat Death
>
>Issue 6 and JX-21A Issue I are 6AC7.
>JX-17 is 6AH6.
>
>Was the JX-17 the only version updated to 6AH6?
>Is anyone actually using the FCU today?
>
>Thanks,
>Dave Wise
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