Ah yes! good choice!, but there is an absolute price constraint as well;
8171's are not in the same basic price class as the aforementioned tubes...
Sincerely,
Dr. William J. Schmidt, II K9HZ
Trustee of the North American QRO - Central Division Club - K9ZC
Email: bill@wjschmidt.com
WebPage: www.wjschmidt.com
"If computers get too powerful, we can organize them into a committee; that
will do them in." -- Bradley's Bromide
----- Original Message -----
From: "R. Measures" <r@somis.org>
To: "Dr. William J. Schmidt, II" <bill@wjschmidt.com>
Cc: <amps@contesting.com>
Sent: Wednesday, August 10, 2005 8:47 AM
Subject: Re: [Amps] TV sweep tubes and 6146s
>
> On Aug 10, 2005, at 6:16 AM, Dr. William J. Schmidt, II wrote:
>
>> I would think that using surplus tubes in the same basic price class
>> (813's,
>> 572B's, or 811A's), you would get a much higher "watt per dollar" return.
>
> The best watts per dollar tube is seemingly the 8171. They go for c. $200
> on eBay. That figures out to c. 12-cents per watt, including shipping.
>>
>> Sincerely,
>>
>> Dr. William J. Schmidt, II K9HZ
>> Trustee of the North American QRO - Central Division Club - K9ZC
>>
>> Email: bill@wjschmidt.com
>> WebPage: www.wjschmidt.com
>>
>> "If computers get too powerful, we can organize them into a committee;
>> that
>> will do them in." -- Bradley's Bromide
>>
>>
>> ----- Original Message -----
>> From: "Tom Bowman" <wa3rey@comcast.net>
>> To: <amps@contesting.com>
>> Sent: Wednesday, August 10, 2005 5:54 AM
>> Subject: [Amps] TV sweep tubes and 6146s
>>
>>
>>> What is the reason amplifiers never seem to be designed using four
>>> 6146s instead of TV sweep tubes like for example, four 6KD6s?
>>> I must be missing something obvious here.
>>>
>>> I'm asking because I'm thinking of building a 400W or so PEP amplifier
>>> for 75 and 40 meters.
>>>
>>> Keeping cost really low is one of my goals here and I have several good
>>> 6146s in the junk box.
>>>
>>>
>>> 73,
>>>
>>> Tom, WA3REY
>>> _______________________________________________
>>> 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
>>
>>
>
> Richard L. Measures, AG6K, 805.386.3734. www.somis.org
>
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