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ONKYO receivers running hot??

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Old 02-10-2009, 11:12 AM   #1  
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Default ONKYO receivers running hot??

I am looking at the 606 or the 706. I have read posts where it talks about them running hot. Mine will be put in a cabinet with a door. There is air holes in front and quite a few in the back. Should either of these be a problem working inside the cabinet??
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Old 02-10-2009, 11:25 AM   #2  
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Originally Posted by moverdear View Post
I am looking at the 606 or the 706. I have read posts where it talks about them running hot. Mine will be put in a cabinet with a door. There is air holes in front and quite a few in the back. Should either of these be a problem working inside the cabinet??
I had the 806 - I didn't notice it being any hotter than any other receivers I've owned. Mine was in a cabinet with door. That being said - I prefer to ventilate all my equipment and so I have a fan running towards the back of my cabinet when my equipment is on. Just makes me feel better. (my Mediacom HD cable box runs the hottest...not sure why)
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Old 02-11-2009, 05:58 AM   #3  
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Have a look at this post

http://www.highdefforum.com/speakers...stem-cool.html
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Old 02-11-2009, 12:12 PM   #4  
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Originally Posted by gosmosis View Post
I had the 806 - I didn't notice it being any hotter than any other receivers I've owned. Mine was in a cabinet with door. That being said - I prefer to ventilate all my equipment and so I have a fan running towards the back of my cabinet when my equipment is on. Just makes me feel better. (my Mediacom HD cable box runs the hottest...not sure why)
Interesting. Every review I have read commented on the heat produced by that unit. What's your secret?
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Old 02-11-2009, 12:37 PM   #5  
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Interesting. Every review I have read commented on the heat produced by that unit. What's your secret?
Every review you have read mentions heat? I call BS on that. I have read plenty of reviews that DO NOT mention the heat.

Hell, my Denon runs hot as does any amplifier.. heat is a byproduct of producing power!
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Old 02-11-2009, 03:13 PM   #6  
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Interesting. Every review I have read commented on the heat produced by that unit. What's your secret?
NO secret I guess. My Onkyo 806 did not produce any more heat than previous Denon I had. Like I said, in my setup, my cable box is the problem regarding heat output. I mean, it gets hot. I have to run fans in back of my cabinet.
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Old 02-11-2009, 07:17 PM   #7  
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I have mine in a cabinet with no ventilation. It's on almost 10-12 hours/day. I keep the doors open for about 3 of those hours at night, but during the day, my daughter is up, so the doors are closed. While I notice heat when I first open the doors, I have had no problems in over a year of owning mine (Onkyo 605)
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Old 02-11-2009, 11:09 PM   #8  
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I have mine in a cabinet with no ventilation. It's on almost 10-12 hours/day. I keep the doors open for about 3 of those hours at night, but during the day, my daughter is up, so the doors are closed. While I notice heat when I first open the doors, I have had no problems in over a year of owning mine (Onkyo 605)
Who knows if you'll eventually have problems, but heat is the enemy of electronics. I had a 20" Sony CRT that was in an entertainment center that only had a small hole in the back for wires, and it had about 4" or 5" on the sides and a couple of inches on the top...it lasted a little over a year. That heat very well could start to do damage over time.

Good luck.

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Old 02-12-2009, 07:33 AM   #9  
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How knows if you'll eventually have problems, but heat is the enemy of electronics. I had a 20" Sony CRT that was in an entertainment center that only had a small hole in the back for wires, and it had about 4" or 5" on the sides and a couple of inches on the top...it lasted a little over a year. That heat very well could start to do damage over time.

Good luck.

Ralph
Not saying I won't, just that I haven't. Before that, my Denon 1802 was in there for about 7 years....no problem. It's now working just as well at my parent's house.
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Old 02-13-2009, 04:37 PM   #10  
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Every review you have read mentions heat? I call BS on that. I have read plenty of reviews that DO NOT mention the heat.

Hell, my Denon runs hot as does any amplifier.. heat is a byproduct of producing power!
Stew, you are such a dumb ass. You have no idea what I have read. You are so illiterate, it's doubtful you have read and comprehended anything beyond Dr. Seuss. You're still trying to understand The Cat in the Hat. Geezus, what a dunce.
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Old 02-13-2009, 05:14 PM   #11  
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Stew, you are such a dumb ass. You have no idea what I have read. You are so illiterate, it's doubtful you have read and comprehended anything beyond Dr. Seuss. You're still trying to understand The Cat in the Hat. Geezus, what a dunce.
Personal attacks, by you, are taken as a compliment. Thanks ! More please.
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Old 02-13-2009, 06:30 PM   #12  
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Stew, you are such a dumb ass. You have no idea what I have read. You are so illiterate, it's doubtful you have read and comprehended anything beyond Dr. Seuss. You're still trying to understand The Cat in the Hat. Geezus, what a dunce.
You are the one that sounds like a dumbass!!!! Can you not post without being a jerk. Whats your deal, is there a reason you can't post with out being a smartass????
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Old 02-13-2009, 06:49 PM   #13  
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Meanwhile, back to the thread . . . .

As a few others have posted, heat is a byproduct of any electronic or electrical equipment.
Now, audio amplifiers are a lot like light bulbs . . . you can figure that more than 95% of the energy consumed is given off as heat.
An audio amp does NOT consume power proptionately to its output - which is to say that it doesn't matter whether the volume is low or high, the power consumption is approximately the same (that's just the nature of linear, or class A, amplifiers).

So just figure that if your audio amp is rated at 200W it's going to give off about as much heat as two 100W incandescent bulbs;
likewise, a 400W amp will give off about twice as much; and an 800W amp twice again.
Anyway, the heat is going to be there and it's going to be directly proportional to the rated power consumption of the equipment.
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Old 02-13-2009, 06:55 PM   #14  
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well said scott. That is the point I was trying to make before the interruption
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Old 02-13-2009, 08:41 PM   #15  
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Meanwhile, back to the thread . . . .

As a few others have posted, heat is a byproduct of any electronic or electrical equipment.
Now, audio amplifiers are a lot like light bulbs . . . you can figure that more than 95% of the energy consumed is given off as heat.
An audio amp does NOT consume power proptionately to its output - which is to say that it doesn't matter whether the volume is low or high, the power consumption is approximately the same (that's just the nature of linear, or class A, amplifiers).

So just figure that if your audio amp is rated at 200W it's going to give off about as much heat as two 100W incandescent bulbs;
likewise, a 400W amp will give off about twice as much; and an 800W amp twice again.
Anyway, the heat is going to be there and it's going to be directly proportional to the rated power consumption of the equipment.
People should realize a receiver like Onkyo 606 consumes 5.5 amps. Thats over 500 watts or equivelent to almost NINE 60 watt bulbs. Thats more than most TV's. Give some tought to that when running needlessly-Joe
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