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FISHMAN Loudbox Artist repair 

Clintronics RVA
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white noise in channel 2
The part number for the Q10 is MMBF4392.

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10 сен 2024

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Комментарии : 24   
@G2675-v7m
@G2675-v7m 6 месяцев назад
Hola, mi parlante tenía roto una resistencia de 0.1 ohms, la remplaze y suena genial, solo tiene un inconveniente, y es que cada vez que lo enciendo emite un ruido, la primera vez al encenderlo después de un tiempo no hace ningún sonido, pero las veces siguientes lo hace, ya revise capacitores y todo está bien, no ce si sea problema de voltajes de algún regulador o los mismos transistores, pero cuando curse mecatronica en la escuela no aprendí mucho, fue más teoría que practica, y pues como ya no continué la universidad pues me quedé solo con algún conocimiento teórico, por último la llevé con un técnico en reparación y tampoco pudo hacer nada
@mmilanek7439
@mmilanek7439 3 месяца назад
I have a loudbox performer 700bt with the same problem in channel 1 but i don't see a Q10 in it . Can you tell which component I need . Thanks , Mitch
@davidpatrick1813
@davidpatrick1813 5 месяцев назад
can I bypass the head part and use the speakers as a speaker cement for a different amp head..? Any idea how to build a speaker unit by itself
@kenneyaustine5742
@kenneyaustine5742 6 месяцев назад
Hello. My loudbox mini's reverb is not working for mic channel. Do you have any Idea how to fix it?
@CanadaSocial
@CanadaSocial 9 месяцев назад
Thank you.. I have the same issue... Would you say that the Q10 (MMBF4392) is the same for channel 1 and 2 ?
@panzrwagn
@panzrwagn Год назад
My Loudbox Artist has EXACTLY that same problem, same channel. Where did you source the part?
@clintronicsrva
@clintronicsrva Год назад
probably mouser
@rubenmborgesmusic
@rubenmborgesmusic Год назад
My channel 2 is much louder than channel 1. Is that the same with yours? Do you have a slight white noise when you just turn on the master volume?
@rubenmborgesmusic
@rubenmborgesmusic Год назад
Channel 2 is significantly louder on my amp. Yes there is more static when I crank the gain for channel 2 but it's also way louder. Idk. I messaged fishman for info.
@mmilanek7439
@mmilanek7439 3 месяца назад
Hello again , I just retested it and found that channel 2 also has white noise but not as much
@clintronicsrva
@clintronicsrva 3 месяца назад
fishman doent release schematics. But they will answer your question if you email them
@thomaschiappisi3726
@thomaschiappisi3726 6 месяцев назад
Same issue but in Channel 1 (Top) which FET needs to be replaced for the top channel
@thomaschiappisi3726
@thomaschiappisi3726 6 месяцев назад
I found the FET Q10 on the top board channel 1, will replacing that FET on the top board eliminate the white noise on channel 1?
@lauraharada4057
@lauraharada4057 Год назад
Thanks for this. Do you happen to know if the the part number is the same for Channel 1?
@clintronicsrva
@clintronicsrva Год назад
I dont know that because fishman doent release schematics. But they will answer your question if you email them. They are at least helpful unlike many companies.
@jakelucasmusic
@jakelucasmusic Год назад
What if the speaker is making no sound?
@clintronicsrva
@clintronicsrva Год назад
If it powers up but makes no sound could be blown speakers. test them with a meter, is a good starting point.
@seanmchugh3476
@seanmchugh3476 10 месяцев назад
I would keep that removed FET for making a pink-noise generator
@MarkCookmusic
@MarkCookmusic 11 месяцев назад
Well this video could go into a little more detail that would help
@sounddoctorin
@sounddoctorin Год назад
same issue on mini
@sounddoctorin
@sounddoctorin Год назад
schem. i find has different part designators.. eg 5532 is u3 and tl074 is u4 but a 33079 is used in schemo instead of ne5532 as u9 and 074 is u10
@sounddoctorin
@sounddoctorin Год назад
ps and shows 1/4" in instead of xlr
@sounddoctorin
@sounddoctorin Год назад
nvr mind- found it- no fet pre on this one- 5532 likely issue
@minhdaothien7664
@minhdaothien7664 10 месяцев назад
I have fishman mini too, same problem with you, do you fix it???
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