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Adcom GFA-555 No Power from Right Channel Easy Fix 

Saving Vega's
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8 сен 2024

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Комментарии : 22   
@FOH3663
@FOH3663 6 месяцев назад
The great Adcom 555, designed by Nelson Pass. These were quite affordable, state of the art 80's amplifiers.
@hoskinfamily5166
@hoskinfamily5166 6 месяцев назад
just what I was looking for, thanks!
@erhman2004
@erhman2004 2 года назад
I used to own one of these. I sold it back in 1998. I had it for about 10 years. Sold it when I got a Yamaha DSP-A1. The GFA-555 was a great amp!
@SavingVegas
@SavingVegas 2 года назад
This amp never fails to impress me. I have used it to run many different home audio 8 to 4 ohm speakers, pro audio monitors and I even had it powing 2 18 inch 8 ohm pro audio bass bins bridged to 4 ohms and pushed them to their limits with no clip lights. One of the best bang for buck power amps I have used.
@DelmarToad
@DelmarToad Год назад
The external fuse on the back with the curly filament looked like a Bussman Slow-Blow fuse!
@jonr4259
@jonr4259 Месяц назад
I’ve a question I see different sizes (6x30 or 5/20) 6 amp fuses. Which is the correct one to use?
@egenestarr1986
@egenestarr1986 Год назад
there is a reason why those blew, they dont just blow from age, so you must determine troubleshooting why the right channel blew both of those?
@SavingVegas
@SavingVegas Год назад
Yeah I blew a subwoofer up with it.
@egenestarr1986
@egenestarr1986 Год назад
@@SavingVegas uggg sorry about that, probably expensive too, it has to be a short, maybe power supply, maybe capacitor, ...
@FOH3663
@FOH3663 6 месяцев назад
​@@egenestarr1986 The short was the load, the woofer he blew up, ... dead short.
@user-qt2lc4qz6y
@user-qt2lc4qz6y 5 месяцев назад
GFA-555II has a distorted right channel and the instantaneous distortion alert shows the right lit up . Any suggestions? Thanks
@herbieschwartz9246
@herbieschwartz9246 10 месяцев назад
What would the result be if only one of the 6 amp fuses had blown? Would that shut off the entire channel or just reduce the output of that channel by 1/2 ???
@SavingVegas
@SavingVegas 10 месяцев назад
There would be no output at all.
@richardjones6660
@richardjones6660 2 года назад
I just got a Cerwin Vega A2200 that plays good, but sometimes will drop sound on one channel for a second even without clipping. I've been trying to find a service manual or even schematics for it, but haven't been able to locate any. Any idea of where I might be able to get some info on this to help me troubleshoot it?
@SavingVegas
@SavingVegas 2 года назад
No sorry. Wish I could help but very limited info on that amp.
@abmia77
@abmia77 2 года назад
Hi,would it be the same fuse for the 555 II?
@SavingVegas
@SavingVegas 2 года назад
If I can remember correctly the 555 ll would have the same fuses but they should be accessible from the outside on the back of the amplifier.
@abmia77
@abmia77 2 года назад
@@SavingVegas Thanks👍.
@Audiorevue
@Audiorevue 2 года назад
I don't know but I'm pretty sure you're supposed to replace those fuses with the amp plugged in and turned on
@egenestarr1986
@egenestarr1986 Год назад
lol😆
@markkasick
@markkasick Год назад
stand in a puddle of water for good measure.
@Audiorevue
@Audiorevue Год назад
@@markkasick Well I don't think that'll do it, according to the service manual you're supposed to replace the fuse while you're soaking in a bubble bath, and of course remember to have it plugged in and turned on
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