[Amps] 3rd ed. Eimac's "Care and Feeding of Power Grid
Roger (K8RI)
k8ri at rogerhalstead.com
Mon Mar 13 20:33:54 EDT 2017
And I was buying new Eimac 8877s for $305. Most amps that used them had
no protective circuits, not even glitch resistors. Just a fuse.
73, Roger (K8RI)
On 3/10/2017 5:24 PM, Carl wrote:
>
> Subject: [Amps] 3rd ed. Eimac's "Care and Feeding of Power Grid
>
>
>> Date: Tue, 7 Mar 2017 14:06:50 -0800
>> From: Colin Lamb <k7fm at teleport.com>
>> To: amps at contesting.com
>> Subject: Re: [Amps] 3rd ed. Eimac's "Care and Feeding of Power Grid
>> Tubes"
>>
>> Just got my 1974 buyers guide off the shelf. It has some transformers
>> numbers that I will probably save. The 3-500Z tube sells brand new from
>> Eimac for $37.
>>
>>
>> Colin K7FM
>>
>> ### LOL. I was 18 yrs old back in 1974. I would listen to these
>> contester folks
>> on 75m at night, who were always buying replacement SB-220 plate
>> xfmrs....
>> which back in 1974, were $35.00 each. I forget what a new Eimac
>> 8877 was,
>> but it was semi affordable. I bought brand spanky new Eimac 4-1000s
>> for
>> $40.00 each, back in 1976. Back then, they were everywhere, and
>> readily
>> available. A Ham-2 rotor, new was $199.00 A used Hygain 204BA
>> was aprx $150.00
>>
>> ## A new pair of 572B tubes for a SB-200 was aprx $60.00
>> My brand new 48 ft self support tower was $225.00 back in
>> 1976. 4x4x4 concrete block was another $115.00
>> Aluminum 3 inch OD irrigation pipe was 74 cents a foot. It came
>> in 20-30-40 ft lengths. I bought 36 ft of it..and they delivered it
>> for free.
>> They took a 40 ft length, lopped 4 ft off one end, and only charged me
>> for 36 ft. Instant 36 ft boom, no splices. Al tubing for eles was
>> dirt cheap,
>> like the 6061-T6 variety.
>>
>> ## Bought small prop pitchs for $75.00 each. A 10 kva hypersil
>> pole pig was $75.00 . The big ticket items
>> were my new drake C line + mating L4B amp..back in 1977. $3400.00
>> for the drake gear. My new 1977 Honda civic was $3750.00
>> Bought my first home for $40 K , back in 1979.
>>
>> Those were good times.
>>
>> Jim VE7RF
>
> I used two 20' lengths of 3" for my 4 el 20M yagi around 1984. Used
> about 18" of Schedule 40 AL pipe as a strong splice and for the boom
> to mast plate. Took it down in 89 and put back up here in 91 where it
> remained as part of the 4/4/4/4 on 20M on a rotating side arm.
>
> That boom and elements survived everything this hilltop could throw at
> it when I dismantled the contest aluminum farm of up to 19 HF yagis on
> 4 towers about 10 years ago. It is all resting on several sawhorses
> out in the back woods.
>
> Carl
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