Question about Amplifiers & Preamps
SOURCE: technics amplifier switches off
1-keep good ventillation around and do not block any ventillation holes with any thing.
2-check your connection cable in good condition no touching of inner conductor with any chasis.
3-check your loudspeakers and apply them to the system one by one until you find the bad one(which make the problem if it is bad)
Posted on Jul 05, 2009
sounds as if amp is clipping.do you have the gain hi, turn it down.are the amps getting good air.are they drawing alot of power from batt alt...do the big 3.
Posted on Sep 06, 2009
SOURCE: what errore code f61 means
Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.
Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.
You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.
If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.
If it protects immediately on a cool power up you should disconnect the speaker connections and try it '*****'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.
Posted on Aug 04, 2011
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