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#393305 - 05/22/13 12:52 AM Pioneer SC-1522-k and M80v3
McDave Offline
frequent flier

Registered: 05/22/13
Posts: 12
Loc: SF, CA
I move into my house being built in about 2 months. I am slowly piecing together a new home theater/pseudo-audiophile system in anticipation of the move. I got the amp last week as it was an incredible deal. It is rated 9.2 for 4ohm at 210W. Is this going to drive the M80 adequately (and the 180 center channel)?

If any of you have that exact setup, please let me know your experiences.

Thanks
McDave

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#393309 - 05/22/13 04:50 AM Re: Pioneer SC-1522-k and M80v3 [Re: McDave]
JohnK Offline
shareholder in the making

Registered: 05/11/02
Posts: 10389
Mac, welcome. The basic 8 ohm rating of the 1522 is 130 watts. As always, the amount of power needed by a speaker depends on how loudly you play it. The M80 and VP180 are slightly above average in sensitivity and require a bit less power for a given volume level than many smaller speakers. The 1522(and any other similar unit)has sufficient maximum output capability to drive them to beyond safe(to your hearing)listening levels.
_________________________
-----------------------------------

Enjoy the music, not the equipment.



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#393330 - 05/22/13 03:29 PM Re: Pioneer SC-1522-k and M80v3 [Re: McDave]
GregLee Offline
veteran

Registered: 03/12/03
Posts: 131
Loc: Waimanalo, HI
I do have that exact setup, and I think it works great. I can only offer a subjective comparison to my previous Onkyo 9.2 receiver used with the same speakers, and I think the Pioneer sounds much better. My current favorite mode for the 1522-K is "optimum surround" (auto/direct) with "wide surround movie" (standard), which exercises the front wide speakers -- those being M22s in my system.
_________________________
Greg
VP180, M80s, M22s, QS8(4), CSW S305s, EP500, Pioneer SC-1522
M2i, M3(2), Pio vsx-1017

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#394231 - 06/17/13 03:47 PM Re: Pioneer SC-1522-k and M80v3 [Re: GregLee]
McDave Offline
frequent flier

Registered: 05/22/13
Posts: 12
Loc: SF, CA
To clarify, you use the 1522-k as the amp and pre-amp, right? I want to make sure it can drive the M80s and 180 without external amplification. Also, seems like there is no worry mixing 8ohm and 4ohm speakers in the setup (and 6ohm, I suppose)?

Thanks!
Mac

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#394248 - 06/17/13 10:18 PM Re: Pioneer SC-1522-k and M80v3 [Re: McDave]
JohnK Offline
shareholder in the making

Registered: 05/11/02
Posts: 10389
Mac, Greg is offline at this time, but yes, he uses the internal amplifier in his 1522-K. As I pointed out above, that or other similar receivers can drive The M80s and VP180 to beyond safe listening levels.

That's right, using speakers with different impedance ratings doesn't create a problem.
_________________________
-----------------------------------

Enjoy the music, not the equipment.



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#394287 - 06/18/13 08:12 PM Re: Pioneer SC-1522-k and M80v3 [Re: McDave]
GregLee Offline
veteran

Registered: 03/12/03
Posts: 131
Loc: Waimanalo, HI
Yes, I use only the 1522, with no separate preamp or amp., and further with no biamping. My 1522 drives its maximum 9 speakers. However, I cannot tell you for sure whether the 1522 has sufficient power, for this, since I haven't done tests that would show distortions, if there are any. I don't hear distortions. And the 1522 sounds better to me, just judging it subjectively, than the Onkyo I had previously driving the same speakers. One thing it sounds better at is playing very soft background music accompanying dialog. I believe, before I got the 1522, I just was not noticing the presence of this soft music at all.

I don't at all agree with what JohnK says in the above posting. When an amplifier has insufficient power, the distorted sound can be very loud and painful to listen to. So, the fact that an amplifier can produce sounds that are painfully loud does not at all show that it is powerful enough to do its job of producing sweet melodious music. In any event, I don't play my AVR at high volumes. I just have no interest in doing that.
_________________________
Greg
VP180, M80s, M22s, QS8(4), CSW S305s, EP500, Pioneer SC-1522
M2i, M3(2), Pio vsx-1017

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#394292 - 06/18/13 09:09 PM Re: Pioneer SC-1522-k and M80v3 [Re: GregLee]
JohnK Offline
shareholder in the making

Registered: 05/11/02
Posts: 10389
Said nothing of the sort, Greg.
_________________________
-----------------------------------

Enjoy the music, not the equipment.



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#394384 - 06/20/13 05:22 PM Re: Pioneer SC-1522-k and M80v3 [Re: GregLee]
Mad_Chesser Offline
veteran

Registered: 01/11/13
Posts: 195
Loc: B.C., Canada
Quote:
When an amplifier has insufficient power, the distorted sound can be very loud and painful to listen to.


It only takes 1 watt to reach roughly 95db according to the m80 specs. That's at 1 metre away from the speakers. doubling the distance, drops that another 6 db or so(someone correct me if I'm wrong)

Anything beyond 85db is considered unsafe to your hearing.

Though the validity in this is questionable to me. I've been playing in front of extremely loud guitar amplifiers and home stereo for many years, well beyond 110 db at times, and for work my hearing is regularly tested. And I'm still good to go, so who knows.

John's basically saying it doesn't matter how much power you have on hand, the speakers will only ask for a certain amount according to their "need" for it at the time. So unless you plan to listen to music at 120db or something, he's saying that the power on hand in the Pioneer will more then be good up to safe hearing levels
_________________________
2 Axiom M80s v3
1 Axiom VP160 v3
2 Paradigm ADP-150
Pioneer SC-61
Rotel RMB-1095
51" Samsung Plasma

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#394386 - 06/20/13 07:49 PM Re: Pioneer SC-1522-k and M80v3 [Re: Mad_Chesser]
GregLee Offline
veteran

Registered: 03/12/03
Posts: 131
Loc: Waimanalo, HI
Originally Posted By: Mad_Chesser
So unless you plan to listen to music at 120db or something, he's saying that the power on hand in the Pioneer will more then be good up to safe hearing levels

That may very well be so for this particular receiver, and I suppose it depends on what you mean by "good". But in general the fact that an amplifier-speaker combination is sufficient to damage your hearing is not a guarantee that the amp can produce high fidelity sound with the speaker. This stuff about "safe hearing levels" seems irrelevant, to me.
_________________________
Greg
VP180, M80s, M22s, QS8(4), CSW S305s, EP500, Pioneer SC-1522
M2i, M3(2), Pio vsx-1017

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#394392 - 06/20/13 09:22 PM Re: Pioneer SC-1522-k and M80v3 [Re: GregLee]
fredk Offline
axiomite

Registered: 12/06/07
Posts: 7042
Loc: Canada
Originally Posted By: GregLee
Originally Posted By: Mad_Chesser
So unless you plan to listen to music at 120db or something, he's saying that the power on hand in the Pioneer will more then be good up to safe hearing levels

That may very well be so for this particular receiver, and I suppose it depends on what you mean by "good". But in general the fact that an amplifier-speaker combination is sufficient to damage your hearing is not a guarantee that the amp can produce high fidelity sound with the speaker. This stuff about "safe hearing levels" seems irrelevant, to me.

It does if the receiver can reach those levels within its rated specs. All the good receivers are below 1% thd when kept within their rated power. You get clean power to 'beyond safe hearing levels'.
_________________________
Fred

-------
Blujays1: Spending Fred's money one bottle at a time, no two... Oh crap!

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