[R-390] (no subject)

[Scott Bauer]

 I have 2 speakers that are hoked up to a line transformer and they work 
quite well.

 Scott

Drew Papanek wrote:
>
>
> Rick Brashear wrote:
>
>> I am searching for a 600 ohm to 4 to 6 ohm transformer for the audio 
>> output on my R-390/URR.
>
> You can use a 70.7 volt line matching transformer as used in PA systems.
> Connect speaker to appropriate secondary impedance tap, connect radio
> to 10 watt primary tap.
>
> With secondary  terminated in its rated impedance, the 10-watt primary 
> tap
> will present a 500 ohm load, close enough.
>
> Drew
>
>
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