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05/01/25 at 11:42:02

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SE84UFO2.1 Power Supply Capacitors (Read 1584 times)

ChrisJHouse

Verified Member

Posts: 15

SE84UFO2.1 Power Supply Capacitors
02/15/24 at 01:22:45

Hello,

Would anyone be able to let me know the capacitance (uF) of the caps in the Power Supply? There are 7 of them in my amp. 2 in parallel before the first 1k resistor. One of which is 0.33uF, the other I do not know. 2 in parallel before the second 6.8k resistor. One of which is 0.1uF, the other I do not know. There are three after the 6.8k resistor, 2 in series that are 20uF each, with one in parallel with those that I don’t know the value of.

Thank you for your help.

Allo USBridge Signature Streamer > Musician Pegasus DAC > SE84UFO2.1 Amp RCA 1> Lii Audio Origin S-10 Speakers < SE84UFO2.1 Amp RCA 2 < Darlington Labs MP-7 Phono Preamp < Technics SL-100C Turntable < AT-VM95ML, SH Stylus

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Crazy Bill the Eel Killer Seasoned Member Tubes Rule !! Posts: 249	Re: SE84UFO2.1 Power Supply Capacitors Reply #1 - 02/15/24 at 16:25:45 Hello Chris, A photo would be of help if you can. Can you identify the manufacturer of each cap. I'm pretty sure what's going on, but the requested info will help me verify. Cheers, Crazy Bill
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Gilf Seasoned Member Posts: 245	Re: SE84UFO2.1 Power Supply Capacitors Reply #2 - 02/15/24 at 22:40:32 Hi Chris. If you reference the zkit 1 schematic it shows the cap values along with the optional bypass cap values. The zkit doesn’t have tube rectification but otherwise the same circuit as the UFO.
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bobc Senior Member Posts: 67	Re: SE84UFO2.1 Power Supply Capacitors Reply #3 - 03/12/24 at 16:13:55 the bigger value caps are probably bypassed with .1 / .33 film. I found this document somewhere....
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