[Amps] SB-220 HV Transformer Wanted

Joe nss at mwt.net
Wed Oct 30 23:58:32 EDT 2019


It is wired up the same way as the original heathkit transformer. the 
two output coils in series.
1600+ volts

Joe WB9SBD
Sig
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com
On 10/30/2019 9:36 PM, Jim wrote:
> The transformer you sent the link for is this one:
>
>
> Output Voltage 	Current
> 800V 	.50A
>
> *800 VAC X 2.8 (for a voltage doubler) is 2240 volts DC. ********How do you get 3500 volts+ of out that?*****
>
>
>
> Thanks
> 73
> Jim W7RY
> On 10/30/2019 9:05 PM, Joe wrote:
>> Umm Nope, 3500+ The plate voltage meter is not quite HARD pegged but 
>> easily over full scale.
>> When testing at lower voltages for the in vs out ratios and with the 
>> in that I have I'm calculating close to 3650
>> Joe WB9SBD
>>
>> On 10/30/2019 8:00 PM, Jim wrote:
>>> And it only produces 2240 volts DC. A bit low for an SB220....
>>>
>>>
>>> Thanks
>>> 73
>>> Jim W7RY
>>>
>>> On 10/30/2019 1:38 PM, Joe Subich, W4TV wrote:
>>>>
>>>> >> https://www.antekinc.com/as-8t800-800va-transformer/
>>>>
>>>> Unfortunately, this transformer lacks the primary taps for CW/SSB
>>>> operation of the OEM device.
>>>>
>>>> 73,
>>>>
>>>>    ... Joe, W4TV
>>>>
>>>>
>>>> On 2019-10-30 10:23 AM, Joe wrote:
>>>>>
>>>>> On 10/30/2019 8:56 AM, Joe wrote:
>>>>>> Morning Dick,
>>>>>> If you are not afraid of making a few electrical and mechanical 
>>>>>> modifications, I would go with this transformer.
>>>>>> https://www.antekinc.com/as-8t800-800va-transformer/
>>>>>>
>>>>>> I'm glad I did! 1/4 the cost of most drop in replacements. yet 
>>>>>> MUCH better performance!
>>>>>> Joe WB9SBD
>>>>>
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>>>>>
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>>
>



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