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Simplistic Mosfet HV Shunt Regs
Simplistic Mosfet HV Shunt Regs
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Old 18th November 2020, 08:40 PM   #6301
Salas is offline Salas  Greece
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Simplistic Mosfet HV Shunt Regs
Maybe EL84 trioded which is in a less microphonic bottle when at line gain
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Old 18th November 2020, 09:57 PM   #6302
merlin el mago is offline merlin el mago  Europe
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Now I'm listening, with the new Vin-Vout difference sounds very good, possible needs more difference to sound still better.
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Old 18th November 2020, 10:09 PM   #6303
Salas is offline Salas  Greece
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Simplistic Mosfet HV Shunt Regs
Maybe now has clearer DC difference between Q2 and Vout? Maybe the IXYS Q1 needs particularly more Vin-Vout to work well because its a 1000V tougher part than DN2540?
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Old 18th November 2020, 10:12 PM   #6304
merlin el mago is offline merlin el mago  Europe
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No doubt, my subjective opinion is that 5687 SE sounds a lot better with SSHV2 as I always suspected. Also Moglia's is top notch SQ.

Last edited by merlin el mago; 18th November 2020 at 10:14 PM.
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Old 21st November 2020, 09:03 PM   #6305
merlin el mago is offline merlin el mago  Europe
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Changed Q1 for DN2540 also a new power transformer with more voltage and all is going on OK.
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Old 21st November 2020, 09:18 PM   #6306
Salas is offline Salas  Greece
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Simplistic Mosfet HV Shunt Regs
Are the Q1 Q2 source pin voltages bit higher than Vout voltage now?
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Old 22nd November 2020, 02:39 PM   #6307
merlin el mago is offline merlin el mago  Europe
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No.
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Old 24th November 2020, 03:59 PM   #6308
merlin el mago is offline merlin el mago  Europe
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Salas finally set the BiB to 12.6V to power the 5687 heaters.
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