Should I be worried about receiver? - AVS Forum
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post #1 of 6 Old 01-14-2014, 07:41 PM - Thread Starter
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I was playing my new setup the other day and my receiver shut-off after playing music for 15 minutes at -2 dB. I let the receiver cool down for 30 minutes and gave it another run. After five minutes of watching over the air t.v. at a volume of -35 dB I heard a loud popping noise come from the speakers. I immediately turned the receiver off and waited a day to turn on my receiver again. The next day, before playing any audio, I made some changes in the receiver settings and watched t.v. for 2 hours then a movies for 2 hours at -25dB and did not have the popping noise problem again.

My question is if my receiver settings and/or not letting my receiver cool long enough could have been the culprit of either 1) my receiver overheating or 2) the loud popping noise? These are the settings I changed the following day:

Amp Assign - From: Front B To: Normal

Volume Limit - From: -20dB To:-10dB

Floor Left Volume - From: 1dB To: 0dB

I have a pair of Acoustech PL-76 floor-standing speakers connected to a Denon 1611 receiver. Here are the specs for the speakers and receiver:

Acoustech PL-76 Specs

Design: Video-shielded 200-watt (500-watt peak) 2-way horn tower with dual 6 1/2" woofers.
Frequency Response: 30Hz- 23kHz
Sensitivity: 96dB @ 1 watt, 1 meter
Recommended Power: 10-200 watts per channel RMS, 500 watts peak power
Impedance: 8 ohms

Denon 1611/591

Surround System Class 7.1 channel
Amplifier Output Details 75.0 Watt - 8.0 Ohm - 20 - 20000 Hz - THD 0.7 % - 5.0 channel(s) ( Surround ),
120.0 Watt - 6.0 Ohm - THD 0.08 % - 5.0 channel(s) ( Surround )

Thanks for any feedback.
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post #2 of 6 Old 01-14-2014, 07:48 PM
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Are you running your receiver within an audio rack or cabinet?
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post #3 of 6 Old 01-14-2014, 08:00 PM
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If you add a subwoofer it'll take a load off your receiver by not having to produce the low frequencies. And yes if its not ventilated that'll cause problems too.

I have a Denon 591 with an Energy RC-10 pair, RC LCR setup but I also have a powered sub. No problems at all but I doubt I've ever run it at -2db more than a few seconds.

Afro GT
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post #4 of 6 Old 01-14-2014, 10:50 PM - Thread Starter
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Quote:
Originally Posted by carminepesce View Post

Are you running your receiver within an audio rack or cabinet?

I have my AVR placed on a night stand with no barriers around it.
Quote:
Originally Posted by afrogt View Post

If you add a subwoofer it'll take a load off your receiver by not having to produce the low frequencies. And yes if its not ventilated that'll cause problems too.

I have a Denon 591 with an Energy RC-10 pair, RC LCR setup but I also have a powered sub. No problems at all but I doubt I've ever run it at -2db more than a few seconds.

Is there a setting on my receiver that I can change so that my front speakers will safely produce the lower frequencies? I do not have a subwoofer yet.

Thanks for the feedback guys!
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post #5 of 6 Old 01-14-2014, 11:08 PM
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you could set subwoofer to YES and then set your speakers to small and change the crossover to 60hz or 80hz.

If your speakers cannot truly go as low as the specs say then setting a higher crossover point might alleviate your problem.

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post #6 of 6 Old 01-14-2014, 11:19 PM - Thread Starter
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Okay. Thanks. I will give that a try. And doing this may or may not help with the overheating or loud popping noise I heard?
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