Re: [IRCA] R-390A for sale

[vroomski@xxxxxxxxxxx]

How long does it take to tune a R-390 from 530-1700 kcs?  Hope to buy one some day.

Dennis,
Vancouver, WA

-------------- Original message -------------- 
From: Charles A Taylor <MWDXer@xxxxxxx> 

> At 09:01 PM 3/17/2007 +0000, you wrote: 
> 
> >Say Charles (or Phil), 
> > 
> >Does one need 3 phase power to operate an R 390? 
> 
> Jerry, 
> =================================================== 
> Yes, and your town's lights will all dim down when you turn it on. 
> 
> Actually, it draws something like 300 watts at 120 VAC. And it 
> does produce some heat. Single phase. 
> 
> I run mine at 100 VAC (via an autotransformer) to lengthen the life 
> of the components (especially tubes). This also makes it run much cooler. 
> The set suffers no loss in sensitivity 
> 
> I don't turn it on from a cold start. Instead , I "ramp" the autotransformer 
> up to 60 VAC for about 15 sec., then 90 VAC for 15 sec., then 100 VAC 
> 
> I haven't retubed it in 15 years, except for one of the 26Z5 B+ regulators. 
> 
> More questions? 
> 
> =================================================== 
> > > BTW, I thought EAC was associated with Hammarlund. 
> > > 
> > > Phil VY2PR 
> =================================================== 
> Phil, 
> 
> Yes, I believe EAC has a captive corporation of Hammarlund. 
> 
> 73, 
> 
> Charles 
> 
> Charles A Taylor, WD4INP 
> Greenville, North Carolina 
> 
> 
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