Question about Audio Players & Recorders
I have Yamaha HTR-5890 and under a 75% load connected to my Yamaha NS-777's the receiver shut off..when I tried to power it back up..the relay would click and nothing. After removing the cover I noticed one of the 2 fuses was blown. The top one, its been a hardtime just finding the fuse alone..but could this resolve the problem or could it be alot more serious? Receiver was set to 6ohm for the NS's..I bought another receiver since then and im just not satisfied with it. Any input would be greatly appreciated!!
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Posted on Jan 02, 2017
You are probably connected to the pre-out jacks. These are not amplified. Connect them to the B speaker outputs(screw down connectors). If that won't work (and it should), you can connect to the "Presence" speaker connections(spring loaded connections).
Posted on Aug 10, 2010
SOURCE: How do I properly wire
According to each product's manual.
Bose.com for the 201's.
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Posted on May 15, 2011
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Page 25 discusses the minimum speaker impedance setting for expected lower-than-8-ohm loads. Running A AND B may present a load that is dangerously low. BTW: 6 is not a whole lot lower than 8.
Look at your speakers' impedance specs. Running them in parallel would present a much lower load than either pair alone.
Generally speaking, an amp protects itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.
You very well may have blown and amp or a speaker.
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. Eure 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 'naked
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