[R-390] HP-8640B Part Needed

Wed, 9 Jan 2002 15:02:20 -0800

There are several parts sets on eBay right now.

> -----Original Message-----
> From: Chuck Rippel [mailto:[email protected]]
> Sent: Wednesday, January 09, 2002 9:12 AM
> To: [email protected]
> Subject: [R-390] HP-8640B Part Needed
> 
> 
> Anyone have a junker HP-8640B around?  A mechanical coupler in mine 
> broke and not all the attenuator steps are working right.  I 
> need to get down to 
> the lowest level to do noise floor checks and I simply can't 
> get there.
> 
> I could go inside to repair it but those are very precision 
> and I am not too 
> quick to do that.
> 
> Any help out there?
> 
> 
> -----------------------------
> Chuck Rippel, WA4HHG
> R390A List Co-Administrator
> Reply to: [email protected]
> 
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> 
> 1968 Contract Dittmore-Friemuth R390A #38
> 1967 Contract EAC R390A #2808 with outboard Sherwood SE-3 
> Sync. Detector
> 1967 Contract EAC R390A #5295
> 1967 Contract EAC R390A #5591
> 1967 Contract EAC R390A #1023
> 
> All in regular use as premier Shortwave Broadcast DX Receivers
>        -and-
> Vintage AM Amateur use
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