[Amps] 3-500Z heater voltage reduction

[R Johnson]

Carl:

How about some NICHROME wire ???

Might just work !!!

OK, Just kidding.

Old joke on the list for "Cure All's" for what ailing  amplifiers !!!
73
Bob, K1VU
FN42ma

At 05:33 PM 9/15/2009, Carl wrote:
>Just coil up some #10 magnet wire and put in series with the xfmr end of the 
>filament choke, it wont take much. #12 will get pretty warm and can be used 
>if there is air flow. You dont want to use copper wire that the temperate 
>keeps going up.
>
>Carl
>KM1H
>
>
>
>----- Original Message ----- 
>From: "MIKE DURKIN" <patriot121 at msn.com>
>To: "amps fourm" <amps at contesting.com>
>Sent: Tuesday, September 15, 2009 3:03 PM
>Subject: [Amps] 3-500Z heater voltage reduction
>
>
>>
>> Ok.. yea i did search some on reducing the voltage at the heaters on 
>> google ... yikes alot of what in not really looking for.So a quick 
>> question .. what is the favored way to reduce the voltage ?? i have 12V ac 
>> across 2 at 3-500z's and i want to drop it by -- say 1 volt.
>> Trying to keep to the confines of what i have around .. some 12 and 10Ga 
>> solid magnet wire, some romex (120v stuff) and some 12ga hookup wire witch 
>> i dont think the insulation is rated for heat at all ....
>> Or some other common junk drawer stuff that would do the trick ... the 
>> last thing i tried was a .27Ohm 10W cement resistor and that was too high 
>> of a resistance ( was a bit surprised but oh well i dont know the internal 
>> resistance if the filaments anyways)
>> KC7NOA ... i think i even have some nichrome sitting round some where.....
>>
>>
>>
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