[R-390] Re: R390 Restoration

[Chuck Rippel]

If there are any thoughts on this or, if you come up with anyting, let me know 
please.

Tnx.

> 
> A further note, on the Non-A IF alignment:
> I remember doing a staggered alignment on the main IF strip in one of these
> radios. I cannot now find the reference to that procedure.  It might have come
> from a preliminary R-389 manual, or from the manual for a radio used in
> direction finding applications.  If anyone knows where that is located, I'd
> appreciate hearing about it. The goal is to do an alignment for best IF passband
> flatness to enhance AM listening fidelity.
> 
> Happy listening with the Non-A.
> 
> Roy
> 


-----------------------------
Chuck Rippel, WA4HHG
R390A List Co-Administrator
Reply to: R390A@R390A.com

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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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