[Amps] 811H pops fuses

[Jim W7RY]

Is this the same guy that sells them on QTH.com?

73
Jim W7RY


On 1/20/2014 5:37 PM, Carl wrote:
> Guaranteed Chinese, that fraud has been discussed elsewhere.
>
> Carl
> KM1H
>
> ----- Original Message ----- From: "Alek Petkovic" <vk6apk at bigpond.com>
> To: "Tom Osborne" <w7why at frontier.com>
> Cc: "Amps" <amps at contesting.com>
> Sent: Monday, January 20, 2014 5:51 PM
> Subject: Re: [Amps] 811H pops fuses
>
>
> Found the caps I bought.
>
> See Ebay item number 190875604650
>
> 73, Alek
> VK6APK
>
> On 21/01/2014 6:38 AM, Alek Petkovic wrote:
>> Yeah, that's right Tom.
>>
>> Its the same with the AL-1500 model. More caps, higher voltage but 
>> they are still right on or over the limit of 450V per cap.
>>
>> I changed mine for higher value, 500V jobs. I was able to fit 16 caps 
>> in the space where the 8 originals were. They are arranged as a 
>> string of 8 x 2 x 330uF/105°C caps in parallel. That's 8 x 660uF in 
>> series to give me 82.5uF at 4000V.
>> There was nothing wrong with the 8 x 220uF caps. I just got nervous 
>> running them that high.
>>
>> I bought them from the US, on the bay. They are probably cheap 
>> charlie ones but they do the job really well.
>>
>> 73, Alek.
>> VK6APK
>>
>> On 21/01/2014 12:53 AM, Tom Osborne wrote:
>>> Vic said:
>>>
>>>> Ameritron's prices are reasonable and they have shipped within a 
>>>> day every
>>>> time I've ordered parts from them.
>>>
>>> The problem is - the Ameritron ones are rated at 450 volts. That 
>>> seems like
>>> they are operating at pretty much their max.  This one has about 
>>> 1800-1900
>>> plate voltage.  Four of the Ameritrons are 1800 volts rating (unless 
>>> they
>>> have a built-in safety factor).  73
>>> Tom W7WHY
>>>
>>>
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>>>
>>
>