Since the plate xfmr and heat sink barely handles one tube I dont believe
that Heath ever offered a 2 holer. For any contest style operating a fan on
the heatsink is just about mandatory. What some hams or CBers attempt is a
different story.
Carl
----- Original Message -----
From: "Fortra" <fortra@siol.net>
To: "Carl" <km1h@jeremy.mv.com>; "Donald Fox" <taurusshoguy@yahoo.com>;
<amps@contesting.com>
Sent: Wednesday, July 01, 2009 5:48 PM
Subject: Re: [Amps] 8873 Amp
> Hi Carl and Roger,
>
> that is likely, that Heahtkit did some "odd" things at the Amateur end
> era!
> Remebered once a bid on ebay, for Heathkit SB 240 !!
> Must have pictures on the other computer.
>
> The two holer 8873 was also project published in ARRL handbook in 70's.
> And Roger if you look for substitues, i have seen some conversion with
> GI7B instead of 8873!!
>
> Good luck with SB 230!
>
> Nermin S58DX
> ----- Original Message -----
> From: "Carl" <km1h@jeremy.mv.com>
> To: "Donald Fox" <taurusshoguy@yahoo.com>; <amps@contesting.com>
> Sent: Wednesday, July 01, 2009 11:31 PM
> Subject: Re: [Amps] 8873 Amp
>
>
>> The Henry is the only 2 holer Ive ever seen or heard of also.
>>
>> Carl
>> KM1H
>>
>>
>> ----- Original Message -----
>> From: "Donald Fox" <taurusshoguy@yahoo.com>
>> To: <amps@contesting.com>
>> Sent: Wednesday, July 01, 2009 4:02 PM
>> Subject: [Amps] 8873 Amp
>>
>>
>>> The only amp I am aware of that used a pair of 8873's was the Henry 2K
>>> Ultra.
>>>
>>> There are a fair number of them around today if you look in the right
>>> places.
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>
>
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