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Thread: New CarPC - this one for tuning

  1. #21
    Car Audio Moderator durwood's Avatar
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    I actually have some LF353's laying around somewhere and I was thinking about those.

    I just found an opamp that looks sweet based on specs. Check out the OPA2227.

    http://focus.ti.com/docs/prod/folder...native_Devices

  2. #22
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    It delivers just as well as it's spec'd too. When I built a CMOY a while back I tried out a few Burr Brown op-amps to see which one I liked the best, out of the OPA132, OPA134, and the OPA227 the 227 delivered the best sound to my ears. I tend to like things to sound on the warm sound though, not overly bright, so if that's what your looking for definitely look into the 227.

    edit: I just realized you're taking about the 2227 not the 227, not sure what the differences are but the 227 should be added to your list as well.

  3. #23
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    thanks for the info! glad this thread got you to post after so many years....lol

    Jan Bennett
    FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

    Please post on the forums! Chances are, someone else has or will have the same questions as you!

  4. #24
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    haha, yep long time lurker, short time poster. I think I'm finally going to take the carputer plunge this summer and it's mainly thanks to you guys since the only thing holding me back was the audio processing.

  5. #25
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    sweet!

    Can't wait to see what you have planned!
    Jan Bennett
    FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

    Please post on the forums! Chances are, someone else has or will have the same questions as you!

  6. #26
    Car Audio Moderator durwood's Avatar
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    Quote Originally Posted by mezz64 View Post
    It delivers just as well as it's spec'd too. When I built a CMOY a while back I tried out a few Burr Brown op-amps to see which one I liked the best, out of the OPA132, OPA134, and the OPA227 the 227 delivered the best sound to my ears. I tend to like things to sound on the warm sound though, not overly bright, so if that's what your looking for definitely look into the 227.

    edit: I just realized you're taking about the 2227 not the 227, not sure what the differences are but the 227 should be added to your list as well.
    The 227 and 2227 are the same except the 2227 has two opamps internally which is what we need to maintian proper circuit connectivity (the right pins need to connect to the right components on the board).

    Thanks for letting us know your experience with the 227. I have some samples on their way. I hate bright, love warm sound.

  7. #27
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    while I know that some may not like the 2134, I know that the end result isn't just due to the op amp...what's in front of the op amp can have an impact as well.

    while I do plan on giving a few others a try, I'm starting with these since they have been recomended by quite a few friends in the industry.
    Jan Bennett
    FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

    Please post on the forums! Chances are, someone else has or will have the same questions as you!

  8. #28
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    Very true, although due to the nature of most PC hardware these days with the majority of the components being smd, you are rather limited as to what could be upgraded in that area. There are not many "boutique" parts you could swap on there. Tracing down the output coupling caps and either upgrading them if possible or bypassing them all together might be a good start though if you want to go really crazy.

  9. #29
    FLAC
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    Hey Red how are you going to swap the 1/8" jack ports for RCA ports? Are you going to fab something?
    2002 Mitsubishi Galant
    Progress: 90% [-▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓- ->

    Carputer Specs:
    Via M10K
    512mb Ram
    60GB HDD
    Souund Blaster Audigy2 NX
    OPUS ITX PC Case


  10. #30
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    desoldered the 1/8", solder on wire to the ports on the boards then solder the other ends of the wires to the RCA sockets. Done.

    As for mounting the RCA ends...am wiaiting to figure out where I'm going to be putting this PC in the GTi and if I'm going ot be using a case, etc.
    Jan Bennett
    FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

    Please post on the forums! Chances are, someone else has or will have the same questions as you!

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