>
>
>Has anyone looked at the new price for a Eimac tube
>like that 3cx1200z7,, last time i looked it was 700 US
>dollars. Considering that one can buy new Svetlana,
>Taylor 8170 and 8171s for between 1000 and 1200
>dollars i think they a bargain even new. The ability
>to have these tubes rebuilt and the fantastic warranty
>make them a bargain.
Agreed.
> No ham radio style tube has a
>warranty equivalent to the handle variety. Dollars per
>watt they unbeatable. Although if you take the
>analysis to the finest degree, the cost of the larger
>higher voltage components may make these tubes more
>expensive. But then again if you want to get the
>1200z7 really fired up, 4000 volts seems about right,
>the cost difference might be miniscule. A 8171 running
>at 5000 volts is fantastic, so the real difference in
>cost could be minor at these voltages rather than the
>full fire bottle status of 9kv no load.
>
>
Indeed, Igor. One of things that impressed me most about the 8170 and 71
was their ability to resist parasitic oscillation damage. Before I
managed to improve the VHF stability of The Plywood Box, I had the most
violent parasitic events that I have ever witnessed. Zero tube damage
resulted. .
>
>
>--- Skip S Isaham <nospam4me@juno.com> wrote:
>>
>> re: tubes with handles... prices and availability.
>>
>> [much snipage from the previous posts]
>>
>> > Most hams are so terrified of a tetrode with
>> 10,000w of dissipation,
>> >they will sell cheap. My guess is that an 8171 can
>> be found at a
>> >reasonable price on rec.radio.swap.
>>
>> Or Ebay, I bought a brand new handle tube (in the
>> box) for about $400 a
>> few months back. Your results may vary... mine
>> haven't.
>>
>> : Yeah, but Rich, unless they trip over one at an
>> estate sale, MOST hams
>> : wouldn't even come into possession of one in the
>> first place.
>>
>> I paid less for any one of my handle tubes than I
>> did to re tube my BTI
>> with a new 3-1000z. Glass bottles are very pretty to
>> actually look at
>> during operation... handle type tubes are more fun
>> to watch the actual
>> result on the meters.
>>
>> cheers
>>
>> skipp wv6f
>> nospam4me@juno.com
>>
>>
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>
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- Rich..., 805.386.3734, www.vcnet.com/measures.
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