OM3500 have GU78B tube
Acom 1000 and Alpin 100 have GU74B tube
73s LA6FJA Rag
2013/8/16 <n8de@thepoint.net>
> While attending the Friedrichshafen 'Ham Radio' gathering in June, I was
> told that the GU-74b is no longer being manufactured, so is not available
> in any large supply for replacement/repair.
>
> For this reason, the OM-Power people have discontinued the OM-3500 amp and
> replaced it with another model.
>
> Good luck es 73
> Don
> N8DE
>
>
>
>
>
> Quoting k3it <gokoyev+k3it@gmail.com>:
>
> Does anybody see any obvious flaws in this amp http://goo.gl/lqPBie
>>
>> I could not find the actual schematic.
>>
>> I'm thinking of buying a Ukrainian made amp, for nostalgic reasons :)
>>
>> 73
>> Vasiliy K3IT
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>>
>>
>
>
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