[Amps] GU-74b amp by UX1UX

[Louis Parascondola]

The Chinese have come up with the F-257???? or whatever it is to replace the Russian tubes.  I think Rudy went to them already with Emtron



-----Original Message-----
From: Fortra <fortra at siol.net>
To: n8de <n8de at thepoint.net>; k3it <gokoyev+k3it at gmail.com>
Cc: amps <amps at contesting.com>
Sent: Fri, Aug 16, 2013 6:06 pm
Subject: Re: [Amps] GU-74b amp by UX1UX


Hi Don,

you have probably mixed GU-84B with GU-74b...
Tube ( s ) in OM-3500 were not GU-74b's...
Have not had such worries...bought a Dentron MLA-2500B,
with original tubes :) When they failed we will switch to 3cx800 :)

Rgds,

Nermin S58DX
----- Original Message ----- 
From: <n8de at thepoint.net>
To: "k3it" <gokoyev+k3it at gmail.com>
Cc: <amps at contesting.com>
Sent: Friday, August 16, 2013 9:54 PM
Subject: Re: [Amps] GU-74b amp by UX1UX


> 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 at 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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