[Boatanchors] output 600 Ohm

rbethman rbethman at comcast.net
Mon Nov 17 20:50:18 EST 2008


Correct!

The Hallicrafters R-42 Reproducer used a 500/600 ohm transformer inside 
also.

So the audio outputs of several radios are "known" to be 500 and 600 ohm 
for audio out OTHER than headphones.

Bob - N0DGN

Bob Macklin wrote:
> In those days it was common to use Hi-Z headsets!
>
> Bob Macklin
> K5MYJ
> Kent (Seattle), Wa,
> "Real Radios Glow in the Dark"
>
> ----- Original Message ----- 
> From: "Carl" <km1h at jeremy.mv.com>
> To: "rbethman" <rbethman at comcast.net>; "Boatanchors Mail List"
> <boatanchors at mailman.qth.net>
> Sent: Monday, November 17, 2008 5:11 PM
> Subject: Re: [Boatanchors] output 600 Ohm
>
>
>   
>> Hallis were 5000 for awhile and a few Nationals 7000 Ohm. The output
>> transformer was in the speaker enclosure.
>>
>> Halli then went 5000/500 and later 500/3.2 before going 3.2 only.
>>
>> Carl
>> KM1H
>>
>> ----- Original Message ----- 
>> From: "rbethman" <rbethman at comcast.net>
>> To: "Boatanchors Mail List" <boatanchors at mailman.qth.net>
>> Sent: Monday, November 17, 2008 6:08 PM
>> Subject: [Boatanchors] output 600 Ohm
>>
>>
>>     
>>> I have NO idea where "outputs" are NOT 600 ohm!
>>>
>>> Two R-390As and one SP-600 ARE 600 ohm impedance output for audio.
>>>
>>> Bob - N0DGN
>>>
>>> -- 
>>> Bob - NØDGN
>>>
>>> _______________________________________________
>>>
>>>       
>> _______________________________________________
>>
>>     
>
> _______________________________________________
>
>   

-- 
Bob - NØDGN



More information about the Boatanchors mailing list