my polkaudio old speakers

tylerhood
tylerhood Posts: 1
edited February 2009 in Troubleshooting
hello, i`m from spain. first apologize for my bad english. i have a question for this community.. I inherited from my father ther old polk audio speakers. and i wonder the original specifications of this column speakers for conect to suitable amplifier..
the problem is. only have a serial number of the columns. and a photo of speakers... anyone can help me please? greetings y gracias. :D


in the rear:

MONITOR SERIES
polkaudio... designed and made in usa... baltimore... serial number .. 740357.
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  • comfortablycurt
    comfortablycurt Posts: 6,745
    edited February 2009
    Welcome to Club Polk!:) Nice to have some international members on board.

    What you have there are Polk Monitor 7's. Some fine speakers if I may say so. I have a pair of Monitor 7A's, which are the same speaker, with a different tweeter, I love them.

    The recommended power rating is from 20-150 watts, at a rated 8 ohm impedance. The impedance is really more like 6 ohms though, and has been known to dip to below 4 ohms sometimes, so make sure you have a competent amp for them.

    As long as you're not cranking it real loud for extended periods of time though, you should be alright with an 8 ohm amp. I have my 7A's running on an amp that's only rated for 8 ohms, and they do fine. I just keep the volume within reason, and don't run them for real extended periods of time.
    The nirvana inducer-
    APC H10 Power Conditioner
    Marantz UD5005 universal player
    Parasound Halo P5 preamp
    Parasound HCA-1200II power amp
    PolkAudio LSi9's/PolkAudio SDA 2A's/PolkAudio Monitor 7A's
    Audioquest Speaker Cables and IC's
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  • NJPOLKER
    NJPOLKER Posts: 3,474
    edited February 2009
    Welcome to the Forum
    Others know more details than me but look like Monitor 7's
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  • comfortablycurt
    comfortablycurt Posts: 6,745
    edited February 2009
    NJPOLKER wrote: »
    Welcome to the Forum
    Others know more details than me but look like Monitor 7's

    Right you are...they're the original 7's with the SL2000 tweeters, and no letter connotation at the end of the model name.

    Here's a link to Polks page with some more specs/info on them. This page is specifically for the Monitor 7 Series 2 speakers, which are slightly different, and use a different tweeter, but are essentially the same speaker.

    http://www.polkaudio.com/homeaudio/products/recent/monitor7/
    The nirvana inducer-
    APC H10 Power Conditioner
    Marantz UD5005 universal player
    Parasound Halo P5 preamp
    Parasound HCA-1200II power amp
    PolkAudio LSi9's/PolkAudio SDA 2A's/PolkAudio Monitor 7A's
    Audioquest Speaker Cables and IC's
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  • F1nut
    F1nut Posts: 50,554
    edited February 2009
    As long as you're not cranking it real loud for extended periods of time though, you should be alright with an 8 ohm amp. I have my 7A's running on an amp that's only rated for 8 ohms, and they do fine. I just keep the volume within reason, and don't run them for real extended periods of time.

    I'm sorry, but that's a pant load of bad info.
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."

    President of Club Polk

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  • seeclear
    seeclear Posts: 1,242
    edited February 2009
    F1nut wrote: »
    I'm sorry, but that's a pant load of bad info.

    I'm sorry, but this comment is useless to the OP or to the rest of us who would like to learn unless you elaborate.
    "Don't forget to change your politician. They are like diapers they need to be changed regularly, and for the same reason."
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  • hearingimpared
    hearingimpared Posts: 21,137
    edited February 2009
    Welcome to Club Polk tylerhood.
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  • comfortablycurt
    comfortablycurt Posts: 6,745
    edited February 2009
    F1nut wrote: »
    I'm sorry, but that's a pant load of bad info.

    How so? I've been running my 7A's with my Onkyo AVR for a while now...and they're doing just fine so far. I just don't crank it to really high volumes, and I don't keep it going for hours and hours at a time.

    Obviously an external amp would do much better...but in an instance where he doesn't have an external amp, or money to go and get one right away, he'll be just fine temporarily.

    I'll be getting an external amp for mine in the near future myself.
    The nirvana inducer-
    APC H10 Power Conditioner
    Marantz UD5005 universal player
    Parasound Halo P5 preamp
    Parasound HCA-1200II power amp
    PolkAudio LSi9's/PolkAudio SDA 2A's/PolkAudio Monitor 7A's
    Audioquest Speaker Cables and IC's
    · Share on FacebookShare on Twitter
  • F1nut
    F1nut Posts: 50,554
    edited February 2009
    seeclear wrote: »
    I'm sorry, but this comment is useless to the OP or to the rest of us who would like to learn unless you elaborate.

    I'm sorry, I thought the point of my comment was clear enough, but perhaps not.

    The Monitor 7's are an easy load. Any power source kept below clipping levels, even a cheap 50wpc Realistic receiver for example, shouldn't have a problem driving them regardless the length of time.
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."

    President of Club Polk

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  • comfortablycurt
    comfortablycurt Posts: 6,745
    edited February 2009
    I've heard on several occasions, from reputable members of this board, that the Monitor series speakers are really more like a 6 ohm load, and have been known to dip to below 4 ohms from time to time. Perhaps I was wrong on that, as I've never checked the impedance on them myself.

    I'll trust you over what I've heard elsewhere though. You are our president after all.;)
    The nirvana inducer-
    APC H10 Power Conditioner
    Marantz UD5005 universal player
    Parasound Halo P5 preamp
    Parasound HCA-1200II power amp
    PolkAudio LSi9's/PolkAudio SDA 2A's/PolkAudio Monitor 7A's
    Audioquest Speaker Cables and IC's
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  • danger boy
    danger boy Posts: 15,722
    edited February 2009
    tylerhood, welcome to club Polk... you will learn a lot from the people in here.. ask any questions you have about your Polk Audio speakers.

    Yours are Monitor 7a's it appears. there were 7's, 7A's, 7B's, and 7C's.
    PolkFest 2012, who's going>?
    Vancouver, Canada Sept 30th, 2012 - Madonna concert :cheesygrin:
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  • comfortablycurt
    comfortablycurt Posts: 6,745
    edited February 2009
    danger boy wrote: »

    Yours are Monitor 7a's it appears. there were 7's, 7A's, 7B's, and 7C's.

    7A's had peerless tweeters, those are the SL2000 tweeters as far as I know. I think they're Monitor 7's, I'm not an expert though.

    I do have a pair of 7A's though, and they have Peerless tweets.
    The nirvana inducer-
    APC H10 Power Conditioner
    Marantz UD5005 universal player
    Parasound Halo P5 preamp
    Parasound HCA-1200II power amp
    PolkAudio LSi9's/PolkAudio SDA 2A's/PolkAudio Monitor 7A's
    Audioquest Speaker Cables and IC's
    · Share on FacebookShare on Twitter
  • danger boy
    danger boy Posts: 15,722
    edited February 2009
    comfortablycurt wrote: »
    7A's had peerless tweeters. Those are the SL2000 tweeters as far as I know. I think they're Monitor 7's. I'm not an expert though.

    I do have a pair of 7A's though, and they have Peerless tweets.

    not all 7A's came with peerless tweeters.. just like not all 7B's did.. but mine have peerless tweeters and are not 7A's. ;)
    PolkFest 2012, who's going>?
    Vancouver, Canada Sept 30th, 2012 - Madonna concert :cheesygrin:
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  • comfortablycurt
    comfortablycurt Posts: 6,745
    edited February 2009
    danger boy wrote: »
    not all 7A's came with peerless tweeters.. just like not all 7B's did.. but mine have peerless tweeters and are not 7A's. ;)

    I knew that some of the 7B's didn't have Peerless, I was under the impression that all the 7A's did though. Learn something new every day I guess.

    How can you discern that they're 7A's? The gasket around the outside of the drivers is different than the silverish/gray gasket on mine...which is another thing that led me to believe they were 7's. Just out of curiosity, and for future reference.:)
    The nirvana inducer-
    APC H10 Power Conditioner
    Marantz UD5005 universal player
    Parasound Halo P5 preamp
    Parasound HCA-1200II power amp
    PolkAudio LSi9's/PolkAudio SDA 2A's/PolkAudio Monitor 7A's
    Audioquest Speaker Cables and IC's
    · Share on FacebookShare on Twitter