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Audioromy 813 Amplifier - LAMPIZATOR
http://lampizator.eu/amplifiers/CHINA/audioromy/Audioromy%20813.html
Tuning of Audioromy 813 / FU13 Class A tube amplifier After getting it I thought that it looks okay, although not as cute as on the ebay photos. The chrome mirror is kind of cheap one, amp is a little bit too small, but generally - nothing major to …
Audioromy FU13 (813) diagram and mods | diyAudio
https://www.diyaudio.com/community/threads/audioromy-fu13-813-diagram-and-mods.139464/
Audioromy FU13 (813) diagram and mods. …. I took the plunge recently and bought an Audioromy FU13 amp of leshele (on9mart) on ebay. The amp arrived on schedule in well padded boxes an plays wonderful music. So now I am wondering if anyone has a circuit diagram of the amp and experience with bias adjustment or any interesting mods.
Audioromy FU13 (813) diagram and mods | Page 2 | diyAudio
https://www.diyaudio.com/community/threads/audioromy-fu13-813-diagram-and-mods.139464/page-2
fu13 nfb Hi I am new to tubes, and I have a question concerning AUDIOROMY FU13 amp (I do not know if these questions are naive so excuse me). From schematic I can see that a NFB is applied. Can this amp work without NFB. Is it fisible. What modification are needed besides removing the FB loop.Alsohas anyone tryied this with good results.
Audioromy FU13 (813) diagram and mods | Page 3 | diyAudio
https://www.diyaudio.com/community/threads/audioromy-fu13-813-diagram-and-mods.139464/page-3
Audioromy FU13 Hi guys My FU13 has arrived and is sounding quite good albeit it seems to distort at relatively medium volume. I also tried to set the bias to 0.55V DC on the 10 Ohm resistors but the highest it seems to go is 0.15V. Adjusting the resistor pot on 1 channel effects the bias current on both channels! Weird! Any clues anyone? •••
Audioromy FU13 (813) diagram and mods | Page 4 | diyAudio
https://www.diyaudio.com/community/threads/audioromy-fu13-813-diagram-and-mods.139464/page-4
I bought Audioromy's FU-13 SET one year ago. It may be an old version. The tubes are shown in the attached photo by American tube names. 6DJ8 is for input voltage amplifier to accept low level input signal and can be skipped by a switch located on the front panel. I modified it to reduce global NFB. I changed the value of NFB resistor from 22K to 56K.
Audioromy 838A FU13 based amplifier - My Photo Gallery
https://www.diyaudio.com/archive/gallery/showphoto.php/photo/4283.html
Audioromy 838A FU13 based amplifier. diyAudio. Home: Forums: Rules: Articles: diyAudio Store: Gallery: Donations: FAQ: Calendar: Home » Member » trondareo » Trondareo´s Audio Achievments . Audioromy 838A FU13 based amplifier. Click on image to view larger image . Photo Details trondareo diyAudio Member
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