[R-390] Never heard the real R-390

[Steve Hobensack]

Chuck, just in case you don't know, the speaker output is 600 ohms 
impedance. You can use a cheap radio shack 12 volt filament transformer 
(smallest one) to match the common 8 ohm speaker. Even then, stock audio 
isn't impressive.
73...Steve..KJ8L


>From: Charles B <ka4prf at us-it.net>
>To: r-390 at mailman.qth.net
>Subject: [R-390] Never heard the real R-390
>Date: Mon, 26 Jul 2004 11:11:05 +0100
>
>Hi all,
>
>As I was tuning around this morning on my NRD545, I was thinking about the 
>R-390A I am waiting to arrive in the near
>future?  I used the R-390 in the Navy back in the 60's and 70's and as I 
>reminisced, I realized that I never really heard the true sound quality of 
>the R-390 receiver in those
>days.  Why? Because I always used those cheap head phones that had a round 
>piece of metal that vibrated to produce the sound.  Sure, sometimes we had 
>an R-390 on a speaker, but
>the speaker was just as cheap as the ear phones.
>
>So I am looking forward plugging in my own R-390A shortly
>and actually hearing what everyone is talking about.
>
>Chuck Bolland
>ka4prf at us-it.net
>
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