[R-390] Anyone else have R-390 case besides me?

[Philip Atchley]

Hi.

First:  Yes I'm back at the old email address of k06bb@elite.net (that's a
"zero" not an "Oh").  Juno proved unreliable to me.

With all this talk of cases, I wonder what the effect of leaving the covers
on an R-390a during operation are?  Reason I ask is I have a R-390a WITH the
factory covers.  I have a small 24V fan (running slower on 12VDC) "stuck
onto" the side of the receiver right next to the rectifier tubes blowing
across the tubes and transformer.  This really does seem to keep the overall
receiver significantly cooler in operation.  I presume because the heat is
"blown out" the other side of the receiver across the audio module rather
than rising up through the radio.

ALSO, the top cover is just sitting on top of the receiver and is removed
when the radio is in operation.  Other than dust settling in the radio while
it is in operation, anyone else think this is worthwhile or just "overkill"?
(Yes, the top cover is louvered).

73 de Phil  KO6BB

Loving home provided for wayward Boatanchor Receivers.
Military R-390A '67 EAC  (26 'valves').
Hallicrafters  SX-71 ('53) & 5R10A ('53).
Realistic  DX-160 ('78).
HOMEBREW  Longwave CW receiver.
Merced, Central California,
37.18N  120.29W  CM97sh.

> At 09:14 AM 10/10/02 -0400, you wrote:
> >  unlike the cabinet for the 'A' model, the R-390 cabinets are covered
> >with louvers to help remove the excess heat.
>
> Tod and others:
>
> My CY-979 has louvers, but only TWO rows of them on top.  The louvers on
> the side extend from the bottom to only part way up.
>
> I have a picture showing FOUR rows of louvers on a similar cabinet - the
> filename is:
> cy-979not-Ed390A.jpg
> It shows four rows of louvers on the top, and three rows of louvers on the
> side which go from bottom to top of the cabinet.
>
> I suppose someone knows the designations of the (presumably) older,
> four-row-louvered cabinet.  I don't.
>
> Roy