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Thread: Icon Audio phono stage through a power amp

  1. #1
    Join Date: Mar 2010

    Location: London

    Posts: 2,094
    I'm colin.

    Default Icon Audio phono stage through a power amp

    Just read the HFW review on the Icon Audio ps1 special edition. I was looking forward to this as i have half modified the amp to SE by upgrading the valves as they suggested and may at some point go the whole hog and change the caps to Jenson paper oils.
    What i didnt know was that the amp can go straight into a power amp. The Icon has a volume pot on it. The reviewer states it sounds much better direct to a power amp.
    I have always always used an integrated and have no experience of this.
    Is this an obvious way to go?
    I wanted at some point to get a more powerful amp, something like a cambridge audio 840 or the AVI neutron sub/amp but this is a new path to consider maybe.
    I think he used a Quad 909.
    Any comments would be gratefully appreciated.

  2. #2
    Join Date: Feb 2008

    Location: North East UK

    Posts: 6,358
    I'm InSpace.

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    Quote Originally Posted by colinB View Post
    Is this an obvious way to go?
    Maybe... I'd guess it could depend on the output impedance of the phono stage and the input impedance of the power amp.

    Leaving out unnecessary 'stages' is rarely a bad thing though.
    Shian7
    --------------------------------------------------------

    Kudakutemo
    kudakutemo

    ari mizu-no tsuki

    Though it be be broken -
    broken again - still it's there:
    the moon on the water.

    - Choshu.

  3. #3
    Join Date: Mar 2010

    Location: London

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    I'm colin.

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    Excuse my ignorance Mike , but do the impedence values have to closely match for best results?

  4. #4
    Join Date: Mar 2008

    Location: Galashiels

    Posts: 13,696
    I'm inthescottishmafia.

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    Rule of thumb is a low impedance out (from say a cd player or other source) into a high impedance load of your pre/power/integrated amp.

    There are better caps around than Jensens BTW.

    What don't you like about the sound you are getting with the integrated?

  5. #5
    Join Date: Mar 2010

    Location: London

    Posts: 2,094
    I'm colin.

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    My system sounds good apart from the fact vocals seem to come from the right channel as im experiencing just know. Very annoying but thats another story.

    I guess what it is , Ashley told me when i bought my speakers they would sound better with a more powerful amp so im always thinking im missing something or have some imbalance somewhere. Im always checking e bay for a second hand AVI lab series or something more beefy. I dont have much of a clue to be honest im a total amature when it comes to audio. But i cant hear any distortion or tonal imbalance or nasty boom, shrieky treble nothing like that. Sounds very natural and unforced sound to be honest.

  6. #6
    Join Date: Mar 2008

    Location: Galashiels

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    What's your speakers?

  7. #7
    Join Date: Mar 2010

    Location: London

    Posts: 2,094
    I'm colin.

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    AVI Neutron 5s powered by a Rotel 1062.

  8. #8
    Join Date: Mar 2008

    Location: Galashiels

    Posts: 13,696
    I'm inthescottishmafia.

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    So your running the Icon into the rotel at the moment?

  9. #9
    Join Date: Mar 2010

    Location: London

    Posts: 2,094
    I'm colin.

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    Yeah through the auxillary input.

  10. #10
    Join Date: Mar 2008

    Location: Galashiels

    Posts: 13,696
    I'm inthescottishmafia.

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    What do you have the volume pot on the rotel at?

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