Emotiva power vs marantz sr7012 power - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 11 Old 11-06-2018, 10:43 PM - Thread Starter
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emotiva amp power vs a av receiver power

Hello all.

I own a Marantz sr7012 amp. I wanted to add the two channel amplifier for atmos front speakers. while doing so i came across two option

1) A100 only for front atmos

2) A-5175 for front atmos and FL FR and Center channel. but emotiva has a power rating of 125 rms all channel driven and marantz has 165 rms all channel driven. SO would it bring any difference is 2nd option worth it ?


what do you guys recommend ? i will be using svs prime elevation for atmos speakers and my centre channel is polk tsx 250 and FL and FR are polk tsx 440.

Last edited by Mustafa Jaleel; 11-08-2018 at 01:14 AM.
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post #2 of 11 Old 11-08-2018, 01:14 AM - Thread Starter
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bump..
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post #3 of 11 Old 11-08-2018, 03:00 AM
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The SR7012 would roughly produce the following: 2CH @ 128W, 5CH @ 84W, 7CH @ 83W @0.1% THD

The A-5175 would take most of the load off of the SR7012, but the A100 is likely all that is required, as the SR7012 should provide more than enough power.
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post #4 of 11 Old 11-08-2018, 04:32 AM - Thread Starter
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Quote:
Originally Posted by jdsmoothie View Post
The SR7012 would roughly produce the following: 2CH @ 128W, 5CH @ 84W, 7CH @ 83W @0.1% THD

The A-5175 would take most of the load off of the SR7012, but the A100 is likely all that is required, as the SR7012 should provide more than enough power.
what would you recommend.. is it worth the price My full setup is

polk TSX 440T fronts
polk TSX 250C centre
polk TSX 220B surround
polk TSX 110B surround back
svs prime elevation for back height

would installing A-5175 give huge difference in results of sound in a movie ?
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post #5 of 11 Old 11-08-2018, 04:52 AM
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Quote:
Originally Posted by Mustafa Jaleel View Post
what would you recommend.. is it worth the price My full setup is

polk TSX 440T fronts
polk TSX 250C centre
polk TSX 220B surround
polk TSX 110B surround back
svs prime elevation for back height

would installing A-5175 give huge difference in results of sound in a movie ?
Nope.

You would have been better served purchasing a lower level AVR (eg. SR5012) and upgrading your speakers rather than purchasing the SR7012. The general rule of thumb is put 20% of your budget into the AVR and 80% into the 5.1 speaker setup.
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post #6 of 11 Old 11-08-2018, 07:52 AM
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Quote:
Originally Posted by Mustafa Jaleel View Post
what would you recommend.. is it worth the price My full setup is

polk TSX 440T fronts
polk TSX 250C centre
polk TSX 220B surround
polk TSX 110B surround back
svs prime elevation for back height

would installing A-5175 give huge difference in results of sound in a movie ?

Your equipment list doesn't include a subwoofer. If you don't have a subwoofer then go with the less expensive amplifier option and get a subwoofer.

A subwoofer (most subwoofers have their own amplifier, which is what you want) will remove a significant portion of the power requirement from your AVR (SR7012). It will also remove the requirement for your speakers (likely the L and R today) to produce very low frequencies. Usually the crossover will be set at 80 Hz. This crossover frequency moves the two octaves from 20 Hz to 80 Hz to the subwoofer.

Adding a subwoofer will effectively increase your amplifier power more than adding an external amplifier. If the L and R speakers are producing the low frequencies today, removing this low frequency load will greatly increase the quality of the sound from the L and R speakers.

You already have an SVS speaker. SVS makes good subwoofers as well.
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post #7 of 11 Old 11-09-2018, 03:03 AM - Thread Starter
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Originally Posted by bigguyca View Post
Your equipment list doesn't include a subwoofer. If you don't have a subwoofer then go with the less expensive amplifier option and get a subwoofer.

A subwoofer (most subwoofers have their own amplifier, which is what you want) will remove a significant portion of the power requirement from your AVR (SR7012). It will also remove the requirement for your speakers (likely the L and R today) to produce very low frequencies. Usually the crossover will be set at 80 Hz. This crossover frequency moves the two octaves from 20 Hz to 80 Hz to the subwoofer.

Adding a subwoofer will effectively increase your amplifier power more than adding an external amplifier. If the L and R speakers are producing the low frequencies today, removing this low frequency load will greatly increase the quality of the sound from the L and R speakers.

You already have an SVS speaker. SVS makes good subwoofers as well.
I do have a subwoofer didnt mention is.. klipsch swr115 !! pretty happy with that
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post #8 of 11 Old 11-09-2018, 03:06 AM - Thread Starter
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Originally Posted by jdsmoothie View Post
Nope.

You would have been better served purchasing a lower level AVR (eg. SR5012) and upgrading your speakers rather than purchasing the SR7012. The general rule of thumb is put 20% of your budget into the AVR and 80% into the 5.1 speaker setup.
Well i am pretty happy with my POLKS, i know there are many other speakers but these tune in good with my taste of hearing... i had KLIPSCH but there were too harsh
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post #9 of 11 Old 11-09-2018, 05:30 AM
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As JD mentioned, before I started sinking money into amps and a new receiver I would look at improving your speakers and sub. Money spent there will have a much greater impact then watts or a new receiver. The Klipsch is a good budget value sub, but not in the same league as those from SVS, Rthymik, PSA, RSL, HSU, Outlaw, Monoprice and others.
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post #10 of 11 Old 11-09-2018, 08:02 AM
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Quote:
Originally Posted by Mustafa Jaleel View Post
what would you recommend.. is it worth the price My full setup is

polk TSX 440T fronts
polk TSX 250C centre
polk TSX 220B surround
polk TSX 110B surround back
svs prime elevation for back height

would installing A-5175 give huge difference in results of sound in a movie ?
Quote:
Originally Posted by bigguyca View Post
Your equipment list doesn't include a subwoofer. If you don't have a subwoofer then go with the less expensive amplifier option and get a subwoofer.

A subwoofer (most subwoofers have their own amplifier, which is what you want) will remove a significant portion of the power requirement from your AVR (SR7012). It will also remove the requirement for your speakers (likely the L and R today) to produce very low frequencies. Usually the crossover will be set at 80 Hz. This crossover frequency moves the two octaves from 20 Hz to 80 Hz to the subwoofer.

Adding a subwoofer will effectively increase your amplifier power more than adding an external amplifier. If the L and R speakers are producing the low frequencies today, removing this low frequency load will greatly increase the quality of the sound from the L and R speakers.

You already have an SVS speaker. SVS makes good subwoofers as well.
Quote:
Originally Posted by Mustafa Jaleel View Post
I do have a subwoofer didnt mention is.. klipsch swr115 !! pretty happy with that

It is likely pointless and a waste of time, to provide any ideas for you, if you list incorrect or incomplete information concerning your system, that said...

Based on your most current listing of your "full setup", I agree with some of the other recent posters. All of the your speakers are the weak points in your system.
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post #11 of 11 Old 11-09-2018, 08:28 AM - Thread Starter
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Originally Posted by bigguyca View Post
It is likely pointless and a waste of time, to provide any ideas for you, if you list incorrect or incomplete information concerning your system, that said...

Based on your most current listing of your "full setup", I agree with some of the other recent posters. All of the your speakers are the weak points in your system.
Sorry for the incomplete listing !!! i thought list of subwoofer wasn't necessary as it wouldn't be powered by the amp/using amps power !!

I go with the suggestions but shall take a bit of long time !!! my room dimensions are 13 foot long 12 foot wide and 10 foot hight !!

THNX for the help guys
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