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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 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.
Audioromy FU13 (813) diagram and mods | Page 6 | diyAudio
https://www.diyaudio.com/community/threads/audioromy-fu13-813-diagram-and-mods.139464/page-6
They move the air away from those huge FU-13's pretty well. It crackled some with some amperex bugle boy 6dg8's I swapped out, so I replaced them with Mullard Master 10M 6922's, and it blew my mind. I also rolled the 5zp3 to a RCA 5u4G, and the 6v6's to a pair of tung-sol two tone ones I had here.
Audioromy FU13 (813) diagram and mods | Page 3 | diyAudio
https://www.diyaudio.com/community/threads/audioromy-fu13-813-diagram-and-mods.139464/page-3
2006-02-19 11:13 am UK. 2009-09-06 2:09 pm #43 2009-09-06 2:09 pm #43 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. ... My Audioromy FU13 has exactly the same ...
Audioromy FU13 (813) diagram and mods | Page 2 | diyAudio
https://www.diyaudio.com/community/threads/audioromy-fu13-813-diagram-and-mods.139464/page-2
Audioromy 813 rectifier flash I´ve recently observed an unusual phenomenon with my amp; on starting the rectifier tube sometimes emits a purple flash in the top of the tube. Today it also made a small snap sound and it seems the left filament glows earlier than the right, as seen from the front of the amp. It is the standard 5Z3P tube.
diyAudio - Audioromy FU13 (813) diagram and mods
https://www.diyaudio.com/forums/tubes-valves/139464-audioromy-fu13-813-diagram-mods-9-print.html
I have a start up problem on my Audioromy. During the last months, the power switch became more and more slugish to turn on. Finally it would not start unless I twist the switch hard to the on position. I got a new switch rated 250 V 16A. The amp starts up and in a pop shuts down again. I changed the capacitor by the relay for an uprated one ...
AudioRomy ---Big, big 813 tubes! Single ended with real ...
https://www.audioasylumtrader.com/ca/ca.html?ca=22986
Tube complement: (2) power tubes are the Chinese version of our 813 tube. (The Chinese designation for these tubes is FU-13.) These are available and I have 3 extras if you'd like to purchase them. (2) middle tubes are some sort of vintage 6922/6DJ8. (Appear to …
AUDIOROMY M-828A - SM2YER Goran's homepage
http://www.popular-hifi.com/projects/nad_stereo/audioromy_fu29/
AUDIOROMY M-828A är en integrerad rör-förstärkare med den något ovanliga dubbel Tetroden FU29 i push-pull koppling på utgången, i ingången sitter 4st 6N3 dubbel trioder. Har provat förstärkare från denna tillverkare vid ett tidigare tillfälle, den gången var det en AUDIOROMY M-6V6 modellen som stod på testbänken.
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