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Old 2nd June 2011, 12:32 PM   #1
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Default HEATHKIT SP-17A / IP-17 HIGH VOLTAGE POWER SUPPLY

Is this a good PS for working on Tube amps?

Thanks
WO
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Old 2nd June 2011, 12:54 PM   #2
speaker is offline speaker  United States
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Quote:
Originally Posted by WildOne View Post
Is this a good PS for working on Tube amps?

Thanks
WO
IIRC it is a >150mA supply, maybe lower. Still, there are a lot of PP & SE amps that are in that range.

Tubes like KT88's however would need something in the Fluke/Kepco/Lambda industrial range.
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Old 2nd June 2011, 01:33 PM   #3
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Quote:
Originally Posted by speaker View Post
IIRC it is a >150mA supply, maybe lower. Still, there are a lot of PP & SE amps that are in that range.

Tubes like KT88's however would need something in the Fluke/Kepco/Lambda industrial range.
Thanks

I was looking at this Schematic for a DIY HV PS.

High-voltage bench supply

Nice design and does it all. Could you please explain Industrial range?

How many volts?

Bummer is I have a very nice Lambda Les-EE-02-OV Output 0-18v at a max of 29A. Bought off the bay many years ago for my Brushless motor company. Worked great for that until I started designing motors way out of this power range. 48v @ 150-175A

WO
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Old 2nd June 2011, 02:20 PM   #4
speaker is offline speaker  United States
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Industrial means they were for commercial rather than hobby use. The current output was much higher (200-250mA) and they are built like proverbial brick ish-house. The Lambda I have goes up to 500VDC as well. I like the Heathkit and would not mind owning one. For low-current stuff as previously mentioned as well as preamp work, I think it would be great. The bench supply you linked is beautifully done. An ambitious project but it covers all the bases.
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