Polk LSI15 on yamaha rx-v673 - AVS Forum
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post #1 of 39 Old 04-20-2013, 11:24 PM - Thread Starter
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hi everyone,

I bought the Polk lsi15 speakers today on amazon for $499 each. I have a Yamaha rx-v673 receiver which has no pre outs. Its still in the return period on amazon. Will this Yamaha receiver be able to power the LSI15s? I'm on a budget and dont want to break my bank for an expensive receiver.
1) What are my options?

2) Will bi amping help?

3) Will this Yamaha receiver support 4 ohm speakers?

I plan to purchase the LSI center and surrounds next month (budget concerns). I watch equal amount of movies as the amount of music.

Please help guys!

Thanks

My Budget system:
Front: Polk LSI15
Center: Polk LSIC
Sub: PSA XV15
Surround: Polk LSI 7
AVR: Pioneer SC-1522
Amplifier: Parasound HCA 1200 ii
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post #2 of 39 Old 04-21-2013, 02:53 AM
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Depends on listening distance, room size, and volume, but generally I would say if you are planning to run a full set of those Polks, no, they are a very heavy load that drop down as far as 2 ohms in some cases.

You will need a beefier receiver. You can look for a used Onkyo 805/875 on ebay, should be able to get one for less than $300. They are 50lb beasts. Do you plan on using 3D?
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post #3 of 39 Old 04-21-2013, 05:41 AM
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The Pioneer sc1522 have a beefy amp, is 9.2 and is certified to drive 4 ohms speakers.
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post #4 of 39 Old 04-21-2013, 06:33 AM - Thread Starter
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Thanks for the replies. I plan to buy the LSI center and surrounds next month. So I have to plan up or the load. Cannot break the bank. The room is 21x 15.

I'm looking for used onkyo 805/875 and the pioneer sc-1522 suggested above.. I want network ready and iPod/iPad ready receiver. Any suggestions or do the above receivers support air play with iPod/iPad? The pioneer option seems to be pretty expensive.

Thanks

My Budget system:
Front: Polk LSI15
Center: Polk LSIC
Sub: PSA XV15
Surround: Polk LSI 7
AVR: Pioneer SC-1522
Amplifier: Parasound HCA 1200 ii
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post #5 of 39 Old 04-21-2013, 06:45 AM
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Quote:
Originally Posted by peerguy View Post

Thanks for the replies. I plan to buy the LSI center and surrounds next month. So I have to plan up or the load. Cannot break the bank. The room is 21x 15.

I'm looking for used onkyo 805/875 and the pioneer sc-1522 suggested above.. I want network ready and iPod/iPad ready receiver. Any suggestions or do the above receivers support air play with iPod/iPad? The pioneer option seems to be pretty expensive.

Thanks
Costco sells the Pioneer.
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post #6 of 39 Old 04-21-2013, 05:13 PM - Thread Starter
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Originally Posted by wronganswer View Post

Costco sells the Pioneer.
I went to a local Best Buy store and they had the pioneer Elite series receiver on sale. I forgot the model number ..dang my bad. It was on sale for $350 since its the last floor model. It outputs 110W per channel. Keep in mind it's Pioneer's Elite series.

Can I buy this avr and bi amp the LSI 15s to give each speaker 110+110 watts = 220 watts? I don't want to break the bank for a receiver. Maybe later on I can buy a decent amplifier to go with this receiver. What do you think? Appreciate inputs, critics, and comments.

The pioneer elite avr goes for $800 online and Best Buy has it for $350 in clearance. I'll call them up tomorrow and find out the model number.

My Budget system:
Front: Polk LSI15
Center: Polk LSIC
Sub: PSA XV15
Surround: Polk LSI 7
AVR: Pioneer SC-1522
Amplifier: Parasound HCA 1200 ii
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post #7 of 39 Old 04-21-2013, 05:41 PM
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Quote:
Originally Posted by peerguy View Post

I went to a local Best Buy store and they had the pioneer Elite series receiver on sale. I forgot the model number ..dang my bad. It was on sale for $350 since its the last floor model. It outputs 110W per channel. Keep in mind it's Pioneer's Elite series.

Can I buy this avr and bi amp the LSI 15s to give each speaker 110+110 watts = 220 watts? I don't want to break the bank for a receiver. Maybe later on I can buy a decent amplifier to go with this receiver. What do you think? Appreciate inputs, critics, and comments.

The pioneer elite avr goes for $800 online and Best Buy has it for $350 in clearance. I'll call them up tomorrow and find out the model number.
I guess is the sc61, similar to the non elite sc1222. The sc1522 is similar to the elite sc65 and is on sale @ Costco for 549. Anyway the sc61 capable of driving those speakers
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post #8 of 39 Old 04-21-2013, 06:08 PM - Thread Starter
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Quote:
Originally Posted by wronganswer View Post

I guess is the sc61, similar to the non elite sc1222. The sc1522 is similar to the elite sc65 and is on sale @ Costco for 549. Anyway the sc61 capable of driving those speakers
Yeah .. I think it was sc-61. I'll pick it up for $350 tomorrow and spend the saved money on a decent amplifier. Expecting the LSIs to be delivered in 2 days. Can't wait to test these bad boys. I'll provide an update after testing. Thanks for your inputs 'wronganswer'. Jeez what a name!

And all this happening on a budget. Sale sale sale! I'll build it into an LSI 5.1 home theater later when budget approves and break in with 100 hours of music till then.

My Budget system:
Front: Polk LSI15
Center: Polk LSIC
Sub: PSA XV15
Surround: Polk LSI 7
AVR: Pioneer SC-1522
Amplifier: Parasound HCA 1200 ii
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post #9 of 39 Old 04-21-2013, 06:14 PM
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post #10 of 39 Old 04-21-2013, 06:14 PM
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This is a decent amplifier http://www.avsforum.com/t/1463460/rotel-ra985bx-stereo-amplifier
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post #11 of 39 Old 04-21-2013, 07:00 PM
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Quote:
Originally Posted by peerguy View Post

I went to a local Best Buy store and they had the pioneer Elite series receiver on sale. I forgot the model number ..dang my bad. It was on sale for $350 since its the last floor model. It outputs 110W per channel. Keep in mind it's Pioneer's Elite series.

Can I buy this avr and bi amp the LSI 15s to give each speaker 110+110 watts = 220 watts? I don't want to break the bank for a receiver. Maybe later on I can buy a decent amplifier to go with this receiver. What do you think? Appreciate inputs, critics, and comments.

The pioneer elite avr goes for $800 online and Best Buy has it for $350 in clearance. I'll call them up tomorrow and find out the model number.

You wont be putting any more wattage to your Polks by bi amping that way with that Pioneer receiver or any receiver. What you need is a 4ohm stable AVR or dedicated amplifier. Until you do that you're just wasting your time with those speakers.
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post #12 of 39 Old 04-21-2013, 07:23 PM - Thread Starter
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Quote:
Originally Posted by Secret Squirrel View Post

You wont be putting any more wattage to your Polks by bi amping that way with that Pioneer receiver or any receiver. What you need is a 4ohm stable AVR or dedicated amplifier. Until you do that you're just wasting your time with those speakers.
How about purchasing the pioneer elite sc-61 receiver (it outputs 125 watts per channel. Correction from 110 watts per channel) and the Rotel-ra985 amplifier suggested above?

If I'm buying an amplifier then do I need to break the bank with a high power receiver as well? Especially if I'm getting the pioneer sc-61 for $350. I am trying to understand subtle technical details so I can actually use these beautiful speakers to their potential. Thanks.

My Budget system:
Front: Polk LSI15
Center: Polk LSIC
Sub: PSA XV15
Surround: Polk LSI 7
AVR: Pioneer SC-1522
Amplifier: Parasound HCA 1200 ii
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post #13 of 39 Old 04-21-2013, 08:20 PM
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no reciever is going to offer a significant improvement driving those lsi15's better than the 673...however I would return it for the 773 with preouts and hit thos lsi's with a emotiva external amp.
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post #14 of 39 Old 04-21-2013, 08:23 PM
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Quote:
Originally Posted by Secret Squirrel View Post

You wont be putting any more wattage to your Polks by bi amping that way with that Pioneer receiver or any receiver. What you need is a 4ohm stable AVR or dedicated amplifier. Until you do that you're just wasting your time with those speakers.
i agree a power amp is needed for those beasts. I would consider a pair of rti-a7's if one is relying on reciever power only. even at that a external amp would still be better.
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post #15 of 39 Old 04-21-2013, 08:28 PM
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the sc-61 is rated for 4 ohm loads. it may do okay by itself but if not at least you'll have a receiver with preouts so that you can add an amp.

i would return the 673 and pick up the SC-61 for $350.

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post #16 of 39 Old 04-21-2013, 08:39 PM
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I used to run the LSi15's with a Marantz SR7005 and then a Denon 4311 for a short while and then sold the LSi's.  I'd recommend you get a receiver with the features you want that has pre-outs. You'll be able to drive them at moderate levels till you can get an amp to really open those LSi's up to their full potential. If you don't sit too far back from the speakers the moderate levels may do it for you till you get an amp.


Denon AVR4311CI
Magnepan 2.7QR's w/ MGCC3 Center
(2) Polk RT15i
(2) Sonotube Subs with 18" Stereo Integrity D4 Drivers
Behringer NU3000 & NU4-6000 Amps
Panasonic DMP-BDP210 - Projector: BenQ W1070
Panamax M5400-PM
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WDTV Live & Minix Neo X7
Some audio history: https://skydrive.live.c...
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post #17 of 39 Old 04-21-2013, 08:42 PM
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Quote:
Originally Posted by afrogt View Post

the sc-61 is rated for 4 ohm loads. it may do okay by itself but if not at least you'll have a receiver with preouts so that you can add an amp.

i would return the 673 and pick up the SC-61 for $350.

 

+1


Denon AVR4311CI
Magnepan 2.7QR's w/ MGCC3 Center
(2) Polk RT15i
(2) Sonotube Subs with 18" Stereo Integrity D4 Drivers
Behringer NU3000 & NU4-6000 Amps
Panasonic DMP-BDP210 - Projector: BenQ W1070
Panamax M5400-PM
60" Samsung TV
WDTV Live & Minix Neo X7
Some audio history: https://skydrive.live.c...
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post #18 of 39 Old 04-21-2013, 09:35 PM - Thread Starter
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Quote:
Originally Posted by afrogt View Post

the sc-61 is rated for 4 ohm loads. it may do okay by itself but if not at least you'll have a receiver with preouts so that you can add an amp.

i would return the 673 and pick up the SC-61 for $350.

Yup. I have returned the Yamaha 673 to Amazon already. Getting a full refund. Will pick up the Pioneer sc-61 tomorrow at Best Buy for $350 and shop around for the Emotiva amplifier. Again Will check out a few best buys for floor model amplifiers. My concern was I didn't want to burn out the receiver / speakers. Looks like the SC-61 is rated at 4 ohms.. Lol. Budget system with the LSIs.

My Budget system:
Front: Polk LSI15
Center: Polk LSIC
Sub: PSA XV15
Surround: Polk LSI 7
AVR: Pioneer SC-1522
Amplifier: Parasound HCA 1200 ii
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post #19 of 39 Old 04-22-2013, 02:14 AM
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Remember that the rated power is @8 ohms. The rated power @4 ohms its something like 185 watts. He sould be fine with the sc61
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post #20 of 39 Old 04-22-2013, 02:25 AM
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The SC-61 should be fine, but one thing to note, most 100W/CH receivers are measured at 1KHz, they don't do that much power in the bass frequencies. If you want to run all your speakers off just the receiver, you should get a good sub, cross it over at 80 Hz, and then I would say don't worry about power amps because these receivers will indeed supply 100W/CH to all 7 channels.
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post #21 of 39 Old 04-23-2013, 09:11 PM - Thread Starter
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Update: I received the LSI15s today. What a beautiful piece of physical design. It's looks stunning. Now for the important part. I went to best buy and found that the receiver on sale was pioneer vsx-42. 95watts per channel. I walked out.

I'm interested in buying the vsx-1522 after reading all the reviews and how well it pairs with the LSIs. Everyone is talking about the costco deal for $599. I have to check out a few costcos in NJ. Willing to drive up to any Costco in NJ, NY, CT area. For now I have to be content with physical beauty till I get the vsx-1522.

My Budget system:
Front: Polk LSI15
Center: Polk LSIC
Sub: PSA XV15
Surround: Polk LSI 7
AVR: Pioneer SC-1522
Amplifier: Parasound HCA 1200 ii
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post #22 of 39 Old 04-23-2013, 09:52 PM
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The Pioneer at Costco must be an east coast thing. Nothing at my west coast Costco. If you don't find one at Costco you could check out the Pioneer 1222 at NewEgg for $549 (sometimes there's a $50 code). The 1222 is basically the 7.2 version. 4 ohm rated D3 amps with pre- outs should you want to upgrade. I came close to getting the LSI15's and the 1222 was on my avr short list.
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post #23 of 39 Old 04-23-2013, 11:26 PM
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not a east coast thing at all. They had 10 at my local Costco and many people in California found them at their local stores.

Check the slickdeals thread.

http://slickdeals.net/f/5927446-Pioneer-SC-1522-K-9-2-Channel-Network-Ready-AV-Receiver-599-99-Costco-in-store-only-YMMV

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post #24 of 39 Old 04-24-2013, 03:08 AM
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Quote:
Originally Posted by peerguy View Post

Update: I received the LSI15s today. What a beautiful piece of physical design. It's looks stunning. Now for the important part. I went to best buy and found that the receiver on sale was pioneer vsx-42. 95watts per channel. I walked out.

I'm interested in buying the vsx-1522 after reading all the reviews and how well it pairs with the LSIs. Everyone is talking about the costco deal for $599. I have to check out a few costcos in NJ. Willing to drive up to any Costco in NJ, NY, CT area. For now I have to be content with physical beauty till I get the vsx-1522.
1522 is the right choice. Is more powerful than the SC61
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post #25 of 39 Old 04-24-2013, 01:46 PM - Thread Starter
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Ok. Something changed. I called up costcos within a 100 mile radius. They didn't have sc-1522.

1) Went online shopping and as crn3371 suggested above found the Pioneer sc-1222 for $439 on Newegg. It has class D3 amplification and certified for 4ohms at 190 Watts per channel and 6 ohms at 160 watts per channel. Pulled the trigger. It should be delivered in 2 days.

2) Is this good enough for the LSI 15s?

3) I plan to add an LSI center and surrounds later when budget approves. Pics will be posted soon. Hope I don't need an amplifier. And I don't plan to blow the speakers at high volume often. But we come across one odd song that has to be heard at high volume when no one is in the house..

4) i know someone answered a bi amp question above. But since the LSIs can be bi amp'd should I? Any gain to be reaped with bi amping? I have extra speaker wire and banana plugs lying around smile.gif.

5) Hearty thank you every one who has posted here. This forum wouldn't be the same without you!

My Budget system:
Front: Polk LSI15
Center: Polk LSIC
Sub: PSA XV15
Surround: Polk LSI 7
AVR: Pioneer SC-1522
Amplifier: Parasound HCA 1200 ii
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post #26 of 39 Old 04-24-2013, 02:39 PM
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Quote:
Originally Posted by peerguy View Post

Ok. Something changed. I called up costcos within a 100 mile radius. They didn't have sc-1522.

1) Went online shopping and as crn3371 suggested above found the Pioneer sc-1222 for $439 on Newegg. It has class D3 amplification and certified for 4ohms at 190 Watts per channel and 6 ohms at 160 watts per channel. Pulled the trigger. It should be delivered in 2 days.

2) Is this good enough for the LSI 15s?

3) I plan to add an LSI center and surrounds later when budget approves. Pics will be posted soon. Hope I don't need an amplifier. And I don't plan to blow the speakers at high volume often. But we come across one odd song that has to be heard at high volume when no one is in the house..

4) i know someone answered a bi amp question above. But since the LSIs can be bi amp'd should I? Any gain to be reaped with bi amping? I have extra speaker wire and banana plugs lying around smile.gif.

5) Hearty thank you every one who has posted here. This forum wouldn't be the same without you!
The sc1222 is the non elite version of the sc61. It should work.
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post #27 of 39 Old 04-24-2013, 03:39 PM
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The Pioneer sc1522 have a beefy amp, is 9.2 and is certified to drive 4 ohms speakers.

I have that Yamaha 673 and its not a very bass heavy amp. I think its ideal for satalite speakers as it tends to focus more on the higher register. But if your powering some larger floorstanding speakers I would totally go with the sc1522, for price and power ant beat it. Also you could bridge speakers and rock down to a 4ohm!
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post #28 of 39 Old 04-26-2013, 07:42 PM - Thread Starter
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Received the Pioneer SC-1222 today. Set it up in excitement and connected the LSI15s. The avr seems to be faulty. The LSIs sounded good but the sound was not continuous. It seemed choppy on every song I tried.

I connected my Bose 2.1 PC speakers through the front headphone jack. And still the same choppy sound. Ugh. Any ideas? I'm planning to send it back Newegg and ask for a replacement.

Also I am planning to pick up the parasound HCA-1200 amplifier for $350 about 1 hour away from my place. Is this a good amplifier? Will it add any oomph to the sc-1222 (obviously after I exchange this faulty one)?

Thanks

My Budget system:
Front: Polk LSI15
Center: Polk LSIC
Sub: PSA XV15
Surround: Polk LSI 7
AVR: Pioneer SC-1522
Amplifier: Parasound HCA 1200 ii
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post #29 of 39 Old 04-26-2013, 08:22 PM
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Originally Posted by lemonslush View Post

I have that Yamaha 673 and its not a very bass heavy amp. I think its ideal for satalite speakers as it tends to focus more on the higher register. But if your powering some larger floorstanding speakers I would totally go with the sc1522, for price and power ant beat it. Also you could bridge speakers and rock down to a 4ohm!

Not very beefy huh...Today I pushed my polk audio rti-a7's to 114db cleanly with my rx-v773. took that measurement from my radio shack spl meter at my listening posistion 15.8ft away from the A7's. That was playing a cd bass mekanik...yep just for satellites huh. rolleyes.gif

oh and fyi you can run 4ohm speakers on the 673/773

http://download.yamaha.com/api/asset/file/?language=en&site=usa.yamaha.com&asset_id=55179

it helps if ya read page 15. in the manual!!
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post #30 of 39 Old 04-27-2013, 06:25 PM
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So you want a beefy amp... Try the Denon 4520!!
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