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rock4016
PostPosted: 08 Dec 2010, 08:57 
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Joined: 18 Jun 2010, 12:46
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Location: Northern VA
I had a choke loaded 6SN7 with over 350V on the plate, so your SRPP at 600 will be fine, just watch your heater to cathode ratings.
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sampleaccurate
PostPosted: 08 Dec 2010, 13:42 
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Joined: 05 Jan 2010, 21:16
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Location: Las Vegas Nevada USA
rock4016 wrote:
I had a choke loaded 6SN7 with over 350V on the plate, so your SRPP at 600 will be fine, just watch your heater to cathode ratings.

I imagine a choke loaded tube would swing a lot higher than B+, so yeah, that being the case it sounds like I'll be OK. I have the heater-cathode voltage problem licked. GDTs (gas discharge tubes) will clamp the heater cathode voltages at startup and the heaters will be biased appropriately.

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