[Amps] 3-500z amp homebrew question

[Jim W7RY]

Well done!  Suitable for framing!

73
Jim W7RY


--------------------------------------------------
From: "Roger (K8RI)" <k8ri at rogerhalstead.com>
Sent: Sunday, February 12, 2012 4:31 PM
To: <n2bc at stny.rr.com>
Cc: <amps at contesting.com>
Subject: Re: [Amps] 3-500z amp homebrew question

> On 2/12/2012 6:27 PM, N2BC wrote:
>> 10 Commandments of Electrical Safety:
>> http://www.eng.auburn.edu/~troppel/tencom.html
>
> Thanks,  that's one of the versions, but not nearly as colorful as the
> one we had in the shop. <:-))
>
> 73
>
> Roger (K8RI)
>>
>> -----Original Message-----
>> From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
>> Behalf Of Roger (K8RI)
>> Sent: Sunday, February 12, 2012 5:46 PM
>> To: amps at contesting.com
>> Subject: Re: [Amps] 3-500z amp homebrew question
>>
>> On 2/12/2012 12:52 PM, John Lemay wrote:
>>> Mike
>>>
>>> If you did not understand the reason for that choke, do you think you
>>> should be doing any work inside the amplifier ?
>>>
>> We all have/had to start some where and asking questions is a good place 
>> to
>> start.  It's where you learn to keep one hand in your pocket and don't 
>> wear
>> rings, watches, neck chains, or other jewelry while working on *stuff*, 
>> but
>> we didn't have to worry about static electricity ruining parts.
>>
>> My first transmitter didn't work worth...crap.  Pair of 6L6's Then I
>> discovered those blue resistors were all wire wound. Wondered if that 
>> might
>> have an effect, probably not but I replaced them with carbon composition 
>> to
>> see if it did and it it worked great, right off.
>>
>> It was amazing to watch the blue glow change in time with the 
>> keying...along
>> with the glow of the plates. (Two years later I was working with 100 to 
>> 200
>> KW Plus.) There were all kinds of tubes available for a buck or two new, 
>> and
>> generally free at the local TV repair shops.
>> On top of that the local hams would usually help out and sell or give 
>> parts
>> to build most anything unless it was their favorite final like 304TLs, Of
>> course even the high power ones were a whopping $5 or $10 USD.
>>
>> 800V can kill you just as dead as 3000, it just can't reach quite as far 
>> and
>> you know those filter caps can hold a charge a longggg time without a
>> bleeder.
>> Beware the lightning that lurketh in charged capacitors!
>>
>> Anyone have the 10 commandments of electrical safety?
>>
>> 73
>>
>> Roger (K8RI)
>>
>>
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>
>
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