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Search term used: power supply Search these results:

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 Forum: Audio, radio, and electronics   Topic: GM-70 with 4P1L pentode DRD driver

Posted: Mon Mar 04, 2013 12:23 pm 

Replies: 35
Views: 14822


... price will be $9.60 for 3 boards for complete power supply: inrush current limiting board, high voltage rectifier ...

 Forum: Audio, radio, and electronics   Topic: GM-70 with 4P1L pentode DRD driver

Posted: Mon Jan 28, 2013 6:16 pm 

Replies: 35
Views: 14822


... better! I will have soon PCBs available for power supply designed for Pyramid amps. Probably kits with all parts ...

 Forum: Audio, radio, and electronics   Topic: GM-70 with 4P1L pentode DRD driver

Posted: Mon Jan 28, 2013 12:51 pm 

Replies: 35
Views: 14822


... or apply negative bias to the screen from power supply, otherwise output resistance is huge and voltage amplification ...

 Forum: Audio, radio, and electronics   Topic: Line array from microphone capsules...

Posted: Sun Mar 18, 2012 11:47 am 

Replies: 18
Views: 6194


... rectified. I will split it on 120V (negative supply) on a shunt regulator in series with load, ... regulator. Both 6.3V windings in series to power filaments of 12L6GT tubes on the 2'nd floor ...

 Forum: Audio, radio, and electronics   Topic: Sub-miniature guitar tube amp

Posted: Tue Sep 13, 2011 10:27 am 

Replies: 65
Views: 22949


... capacitance (350uF) and lack of choke of the power supply. Will try bypassing the GU-50 cathode resistor to reduce ...

 Forum: Audio, radio, and electronics   Topic: Gubernator - 8: parallel SE GU-50 amp

Posted: Fri Jun 17, 2011 3:07 pm 

Replies: 54
Views: 23777


... of my MOSFETS kept blowing in my regulated power supply too as mentioned in my post in the other thread. The ...

 Forum: Audio, radio, and electronics   Topic: Gubernator - 8: parallel SE GU-50 amp

Posted: Fri Jun 17, 2011 9:21 am 

Replies: 54
Views: 23777


... to return back to the project, and redesign power supply completely. It was PITA to unbolt all the assembly in ...

 Forum: Audio, radio, and electronics   Topic: Gubernator - 8: parallel SE GU-50 amp

Posted: Sat Jun 04, 2011 3:13 pm 

Replies: 54
Views: 23777


Power supply with all stabilized voltages is ready. Forgot about bleeding resistors, it is not good when rectified voltage is 800V!

 Forum: Audio, radio, and electronics   Topic: Gubernator - 8: parallel SE GU-50 amp

Posted: Thu Jun 02, 2011 11:59 am 

Replies: 54
Views: 23777


... I made. I've found a donor for heatsink for power supply and fixed it on chassis: 40W of power dissipated by PS ...

 Forum: Audio, radio, and electronics   Topic: Gubernator - 8: parallel SE GU-50 amp

Posted: Tue Apr 19, 2011 11:39 pm 

Replies: 54
Views: 23777


... wiring had been used. It is regular PCB for power supply. Some software does it wrong, assuming that it does not ...

 Forum: Audio, radio, and electronics   Topic: Gubernator - 8: parallel SE GU-50 amp

Posted: Mon Apr 18, 2011 2:11 pm 

Replies: 54
Views: 23777


Done with PCB for 12.6V and -80V power supply. Also, the PCB contains inrush current limiter (20 Ohm resistor ...

 Forum: Audio, radio, and electronics   Topic: Gubernator - 8: parallel SE GU-50 amp

Posted: Fri Apr 15, 2011 11:37 am 

Replies: 54
Views: 23777


Here is the sketch of B+ power supply:


Image

 Forum: Audio, radio, and electronics   Topic: Gubernator-7: 4P1L Single Ended Amplifier Design

Posted: Tue Apr 12, 2011 1:54 am 

Replies: 144
Views: 60432


... to the limited headroom from the tube's low power. Would have liked to do the same thing with ... to get a transformer for negative voltage supply, but decided that maybe should try the interstage ...

 Forum: Audio, radio, and electronics   Topic: Gubernator-7: 4P1L Single Ended Amplifier Design

Posted: Thu Apr 07, 2011 8:22 am 

Replies: 144
Views: 60432


Yes with the GU-50 amp, the CF allowed a higher power output. So, yes I was considering a cathode ... bias voltage of CF. Any suggestions for single supply voltage CF? I have 6N1Ps, 6N6Ps, 6P15Ps/EL83 ...

 Forum: Audio, radio, and electronics   Topic: 12.6V filament SMPS power supply

Posted: Wed Mar 30, 2011 3:23 pm 

Replies: 5
Views: 4853


wavebourn Wrote:

Hmmm.... May be the next time to use some made by Monster Cables? Pray


Monsters? I tot only these would do. Evil or Very Mad Evil or Very Mad
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