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Re: [Amps] SB-220 HV Transformer Wanted

To: Jim <jimw7ry@gmail.com>, amps@contesting.com
Subject: Re: [Amps] SB-220 HV Transformer Wanted
From: Joe <nss@mwt.net>
Date: Wed, 30 Oct 2019 22:58:32 -0500
List-post: <mailto:amps@contesting.com>
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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