[Amps] TV sweep tubes and 6146s

[Dr. William J. Schmidt, II]

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 at 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 at somis.org>
To: "Dr. William J. Schmidt, II" <bill at wjschmidt.com>
Cc: <amps at 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 at 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 at comcast.net>
>> To: <amps at 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
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>>> Amps at contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>>
>>
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>>
>>
>
> Richard L. Measures, AG6K, 805.386.3734.  www.somis.org
>