[GreenKeys] Compact Reperf Tape Out Bulb

John, W9DDD w9ddd at tapr.org
Sun Mar 20 16:12:45 EDT 2022


In mine it is a NE51H

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The above comments or recommendations are SWAG. Use at your own risk.
John, W9DDD

On 3/20/2022 2:13 PM, Daniel Jones wrote:
> A #47 bulb fits perfectly.  Its a single contact.
>
> According to the manual the socket has a built in resistor, I will 
> need to pop off the top and measure the resistance to get an exact 
> number since the schematics does not show the resistor only the 
> socket. Let me find the resistance and let you know.
>
> Daniel
>
> Sent from my iPhone
>
>> On Mar 20, 2022, at 10:57, Tom Hunter <tomhenryhunter at gmail.com> wrote:
>>
>> 
>> Daniel,
>>
>> What size is the bayonet base? Is it small like a
>> #47 pilot lamp, or larger like a 12 auto backup bulb?
>> One contact or two?
>>
>> Is there an external series resistor (maybe 100K)
>> or is it expected to be in the bulb?
>>
>> My thought is, given the proper base and an NE2H, one
>> could improvise a bulb.
>>
>> If I have the parts, I would be glad to do it for you.
>>
>>
>> Tom    N3CRK
>>
>> On Sun, Mar 20, 2022 at 1:40 PM Daniel Jones <djones at k6yic.com 
>> <mailto:djones at k6yic.com>> wrote:
>>
>>     Good Morning,
>>
>>     I have a TT-192A which is the compact reperf.  I am in need of a
>>     tape out bulb its is listed at a 115v Neon bayonet.  The navy
>>     lists it as i925 but I unfortunately can’t find a reference for
>>     that anywhere.
>>
>>     Does anyone have any insight to a replacement part number?
>>
>>     Thanks,
>>     Daniel
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>
>
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