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Dra-375rd wiring diagram - Denon DRA-375RD Receiver

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I have been told that the way I set up my DRA-375RD could damage the receiver. I added a sub-woofer to the one of the speaker outlets. Today, the right side speakers no longer function (both sets of...


Most subs are 4 ohm cabinets. That being said, if you added this to one of the channels alone, fine. If added while another speaker was also connected (A+B mode) and the other was a 4 ohm cab as well, then yes, you probably smoked that channel. The two 4-ohm cabs in parallel like that appear to the amp like a 2-ohm load. This amp is designed for a 4-ohm load minimum. It is likely that the output stage overheated and damaged the output transistors. I would have expected the amp to go into protect mode though. Let the receiver cool down and try again. If it works, then the problem is the low load and removing the sub will "fix" it. If not, then further examination of the output stage will be necessary.

Dan

Jul 15, 2010 | Denon DRA-375RD Receiver

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There is no output specific to a subwoofer. What is the correct sequence to do so? Downloaded manual does not help. The Energy sub-woofer has an amp input connection, but no output.


It probably does not need one. I have two receivers that have 5.1 inputs (the .1 is the subwoofer) with jst normal 5 speaker output... none for the subwoofer. That is because the speakers these days almost always have built in crossovers to split the freqs up and send the right freq @ power to the right speaker.

Just buy some speakers and don't worry about it. Look for warranty. Radio Shaft used to have 5 year warranteed speakers -- extremely good for the speaker market. I like bose and I hear infinity is another reasonble priced but well designed brand.

Jul 14, 2010 | Denon DRA-375RD Receiver

1 Answer

I'm convinced the fuse is blown in Denon Receiver, I'm having trouble locating it...where is it?


There is a main fuse located either close to where the AC cord enters the unit or under a PC board attached to the transformer. In any case, it is unlikely that the fuse is the real problem. Is there a standby light at all or nothing at all? If there is a standby light, the fuse is fine. If the unit won't stay on or turn on, the problem could be a bad 5V supply or shorted outputs.

Please update this with any additional symptoms and I'll provide additional details.

Thanks,
Dan

Mar 16, 2010 | Denon DRA-375RD Receiver

1 Answer

Denon dra-375rd fuse keeps blowing even with no speakers attached the speakers may have been wired wrong in the past eg 2 8ohm speakers running off one terminal


In this case the output transistors are probably shorted. With the unit unplugged, check the pins of the output transistors (center to either outside pin) and if they read shorted, they need to be replaced. It is possible that the previous stage will also have shorted components. If you have no experience with this type of repair, see a service shop. The parts should not exceed $25.

Dan

Aug 12, 2009 | Audio Players & Recorders

1 Answer

Toyota enima 1996 door will not open feels like the lock is stuck


your door on the in side has 4two5 rods inside to tell what it is you will have to take off the door panal and try wd-40

Aug 12, 2009 | Denon DRA-375RD Receiver

1 Answer

I want to know how many watts, the denon dra-375's output is? my brother-in-law gave me this unit and the cover's became diattatched off the back of the all the pot's. i am still in the process of putting...


The unit is rated at 120 watts total output ( 60 watts per channel x2 channels) As far as being worth fixing it depends on the price of the parts and what you want to do after its fixed. I looked around a little and the unit gets good reveiws from owners. They say its great for a "just music" system.

Jul 28, 2009 | Denon DRA-375RD Receiver

1 Answer

Keep blowing out bass on speakers Denon 75rd


Thank you for responding. I called in an audio specialist to look at the whole system--he believes there is a problem with the amplifier. Will post what he finds out when he looks inside.

May 01, 2009 | Denon DRA-375RD Receiver

1 Answer

Amplifier keeping blowing fuse


This almost always indicates a blown speaker. If you have an ohm meter you can use that to test the impedance on your speakers. After disconnecting the speaker - touch the red lead to one connector and the black lead to the other. If it reads something other than 8ohms that speaker is blown.
If you don't have an ohm meter you can simply disconnect one speaker at a time and run that way until the fuse blows. If the fuse never blows then you've found the suspect speaker.
Sometimes blown speaker can hide by stealth. When cold everything is normal. When things start to heat up from use the failed circuit shorts and blows the fuse on your amp.

Oct 21, 2008 | Denon DRA-375RD Receiver

1 Answer

Need to ID Capacitor


Tony, this is an incorrect substitution. The cap voltage should be higher. They probably ran out of the cylinder types. I'm surprised to see such high capacitance value however.

Aug 24, 2007 | Denon DRA-375RD Receiver

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