Rich,
The Harbach Electronics kits use two 20 ohm 10 watt resistors in each leg of
the 220 Vac line. Below is a link to the installation manual which explains it
with a schematic.
http://www.harbachelectronics.com/pdffiles/ss-100.pdf
Best,
Will
*********** REPLY SEPARATOR ***********
On 4/13/06 at 11:04 AM Rich wrote:
>I must say I am surprised that the Paypal comment got more response than
>my amp related question on relays. I got two off list replies and none
>on list
> Rich
>
>Good day gentlemen, I am putting together a small amp with an old tube
>from my junk box trying to learn as I go. I built a large power supply
>last year for a 4-1000 but I am a little cautious of 5000v my first time
>around so I will start small with a 40M monobander with a triode at
>lower voltage.
>I am working on the power supply now and just bought a relay for the
>soft start. The input will be 240v both side switched with two SS
>relays. When I install the soft start do I need to put a resistor on
>both sides of the hot line or is one side sufficient?
>The main question today is the soft start relay, 25A@240VAC P&B PR7DYI,
>plenty good to the low power I will be running. The 24vdc coil is 287
>ohms, it will be on the 120VAC line with a 1N5408 in line. What size
>resistor and cap should I start playing with??
>
>Rich, kd0zz
>
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