[ARC5] What the......?

[Mike Hanz]

Yes.  Traditi0n...

:-)

On 3/14/2014 5:45 PM, J. Forster wrote:
> Yes on the VHF sets. My question is more why d0 they need the big tubes
> for the IF and audio? Maybe just 'tradition'?
>
> -John
>
> ===============
>
>
>> The VHF sets had both, John, beginning with the R-112/ARC-5 and
>> R-113/ARC-5.  The front end was composed of four 7 pin miniatures (three
>> 9003s and a 9002 oscillator) and was virtually unchanged in the R-19 and
>> later sets.  There may have been a perception about greater vibration
>> resistance for the lower frequency tubes, or perhaps they were less
>> expensive...I can only speculate.
>>
>>    - Mike  KC4TOS
>>
>> On 3/14/2014 4:58 PM, J. Forster wrote:
>>> I wonder why they went to Loctal, rather than 7 or 9 pin miniatures? The
>>> smaller tubes were used in the VHF stuff.
>>>
>>> ==============
>>>> loctals were original in postwar ARC stuff
>>>>     - Gordon White
>>
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>
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