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Simple SE Sit Amp
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Old 14th September 2020, 08:53 PM   #41
woody is offline woody
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Any idea when this circuit will be ready I already have the Edcor transformer a pair of 2sj28's or for that mater a pair of 2sk180's just begging to be used.
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Old 14th September 2020, 09:41 PM   #42
Nelson Pass is offline Nelson Pass  United States
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Simple SE Sit Amp
Initial units are 2SK28, lucky boy.

Parts arriving daily. Final production boards in couple weeks.

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Old 14th September 2020, 09:49 PM   #43
mattking52 is offline mattking52
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I wasn't 100% clear - will the 2SJ28s be included in the kit when it's ready, or will we have to find them ourselves?
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Old 14th September 2020, 10:19 PM   #44
WBS is offline WBS  United States
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Simple SE Sit Amp
Default From Nelson's post #3

"Those out there with VFETs already will be able to get kits without that
part."
__________________
"Only those questions that are in principle undecidable, we can decide." - Heinz von Foerster
Ethics and Second Order Cybernetics
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Old 14th September 2020, 10:22 PM   #45
res07njc is online now res07njc  United States
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but.... IIRC, 100 or 200 channels of SJ28 FETS included (priced) in the initial run. When they're gone they're gone, probably just PCBs in the store afterward.
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Old 15th September 2020, 03:08 PM   #46
mattking52 is offline mattking52
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Got it - thanks for the confirmation!
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Old 15th September 2020, 06:30 PM   #47
Nelson Pass is offline Nelson Pass  United States
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Simple SE Sit Amp
Slightly fewer than 200 channels P, 200 channels N
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Old 16th September 2020, 07:22 AM   #48
marconi118 is offline marconi118  Germany
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Any schema of it?
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Old 16th September 2020, 12:50 PM   #49
Mark Johnson is offline Mark Johnson  United States
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Simple SE Sit Amp
If you are asking whether Nelson Pass designed the amplifiers, laid out the PCBs, and tested the prototypes, without ever drawing any schematic: the answer is no.

If you are asking whether those schematics have been publicly released yet: the answer is also no.
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