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  1. #1
    pepster
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    Default Found a cool way to clean the inside of an amp...........

    Strip it to nothing!

    Makes it alot easier!

    Lots of new stuff going into this B&K ST2140.
    Got the final piece in the mail today (new 5 way binding posts).

    More pics to come.......



  2. #2

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    I place mine in the pool for a quick rinse.

    Speakers
    Carver Amazing Fronts
    CS400i Center
    RT800i's Rears
    Sub Paradigm Servo 15

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  3. #3
    pepster
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    Default

    Going to have some parts left over when I get done "cleaning this amp".

    Molex connectors solderED to the board?
    No More!

    Going to be KILLER wire soldered directly to the board, no more molex!


  4. #4
    pepster
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    Default

    If you look closely, you will see a red wire cut in the center of each board (dual mono design).

    Those are the speaker wire outputs, and getting ready to be killer wire there also.
    Common ground amp, so the (-) neg speaker output is not visible.

    Nordost?
    Solid core 6N OCC copper 16 ga.?
    Last edited by pepster; 04-01-2013 at 06:40 PM.

  5. #5
    pepster
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    Default

    Thinking about replacing the "push button" on/off switch with a cool LED toggle switch.

    New Furutech IEC input, new XLO X-10 power cable (internally), Neotech solid core silver/teflon directly from the board (was Molex) to AudioNote silver rca inputs.


    I have a rather large list of "To Do's" on this amp.

    I'll have more pic's ect. latter on, and if there is something you might want to do to your amp that is similar to all the mods I am doing, I might be able to help.
    Last edited by pepster; 04-01-2013 at 06:58 PM.

  6. #6

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    Nice overhaul project Pep, bring it to LSAF
    Home Theater:Samsung8000-55LED,Pioneer SC35, Pioneer DV-79AVi, Sunfire TGA7201, LSi25, LCi RTSc, LC80i
    2chnl system:Melody 101 tube pre, Pass XA30.5 amp, Usher MD2 speakers, W4S Dac, MG Audio Planus2 speaker cables
    Office rig: Modwright KWI-200 Integrated, Dynaudio C1-II Signatures

  7. #7
    pepster
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    With the AudioNote silver binding posts (I put in previously).

    XLO X-10 (Awesome power cable).
    I simply strip the raw conductors out and use them to wire the new IEC input, and to transformer barrier strip.

    Last edited by pepster; 04-01-2013 at 06:55 PM.

  8. #8

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    Paul I'm jealous!

    That is one amp I reaaaly want to hear after my short time with one. My buddy wont give it up!

    Needs a bigger tranny while you're at it

  9. #9

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    Are you just rewiring or you refreshing/upgrading of any caps
    Home Theater:Samsung8000-55LED,Pioneer SC35, Pioneer DV-79AVi, Sunfire TGA7201, LSi25, LCi RTSc, LC80i
    2chnl system:Melody 101 tube pre, Pass XA30.5 amp, Usher MD2 speakers, W4S Dac, MG Audio Planus2 speaker cables
    Office rig: Modwright KWI-200 Integrated, Dynaudio C1-II Signatures

  10. #10
    pepster
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    Wassssssup Andre?

    It sounds pretty good now.
    I have a little Rotel that is dual mono and has separate transformers, but it does not have quiet the "umph" this B&K does.

    You never know how this will go.
    Always the chance of having too much "silver".

    I like silver in my kit, and incorporate it here and there, but it is a fine line.
    You go too far over that mark, and it is sad face.

    I have done alot on this amp in the past so I am familiar.
    I am going on "instincts" at this point.

    Quick fix if I go too far!

  11. #11

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    Nothing to see here, folks. Move along, move along..

  12. #12
    pepster
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    Quote Originally Posted by txcoastal1 View Post
    Are you just rewiring or you refreshing/upgrading of any caps
    I thought about it, but it sounds really good as is (or as was), and I can always replace caps, r's latter on if I want to.
    It has Dale resistors and Rubycon caps right now.

    I will write down what I did and list it latter on.
    Last edited by pepster; 04-01-2013 at 07:14 PM.

  13. #13

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    That amp did something right to the A9's when I moved the Carver out of the way for a ST2140. Wont forget how much better those speakers sounded. Definitely want to hear it on SDA's.

    Quote Originally Posted by pepster View Post

    I like silver in my kit, and incorporate it here and there, but it is a fine line.
    You go too far over that mark, and it is sad face.
    Never played with silver.

  14. #14
    pepster
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    Quote Originally Posted by Drenis View Post
    That amp did something right to the A9's when I moved the Carver out of the way for a ST2140. Wont forget how much better those speakers sounded. Definitely want to hear it on SDA's.



    Never played with silver.

    Silver on the rca inputs, nothing but copper from board to binding posts.
    Match made in heaven.
    Last edited by pepster; 04-01-2013 at 07:27 PM.

  15. #15
    pepster
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    So you know, I put the caps from the ST 2140 on top of the caps in a Rotel dual mono (Rotel has dual tranny's).

    Does not matter what so ever, but I posted this just for size comparison, nothing more.




    Got the IC (rca) input Molex plug off the board, cleaning it up alittle and getting ready to install Neotech 24 ga 7N pure silver solid core directly to the board (Minus the Molex plugs) after alitle more cleaning.



    Last edited by pepster; 04-01-2013 at 09:53 PM.

  16. #16
    pepster
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    I have had this amp for 4 or 5 years, so I am familiar.
    I was beginning to wonder if these minor changes were going to be worth the effort.

    Just getting rid of the Molex plugs in the signal path board, and the factory silver plated copper wire from board to binding posts.
    I thought putting pure copper (no silver plating) from board to binding posts would make the difference.

    I can say without a doubt, well worth it!
    This amp has never had the detail it does now.


    No more Molex, now Neotech pure silver/teflon solid core directly to the board!



    New binding posts, straight copper wire (stripped from River Cable flexygy 6 speaker wire), straight from board to binding posts.



    Had to build another dim bulb tester to test this amp after all the work was done, just to make sure all was well before plugging it into the wall socket.

    NEVER sounded this good!
    Beyond my expectations so far.
    Tickeled to death, with the detail, slam, ect.
    Top end is to die for!

    Going to give it some time to burn everything in alittle, and still have to figure out which IEC input I am going to use, I have Furutech, Oyaide, and Acme on hand.
    Running stock IEC with Furutech fuse for now.


    I still have the face plate off, but.........SHE LIVES!


  17. #17

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    Change the LED color while your at it.

    Also, I call dibs on this when you sell it.

  18. #18
    pepster
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    Quote Originally Posted by Drenis View Post
    Change the LED color while your at it.

    Also, I call dibs on this when you sell it.
    I wanted to put a nice blue LED toggle in it, but can't find one (and change the power light to blue).

    Got a few more suspects laying around here that are going to get some upgrades.

    Initial impressions...........its not going anywhere.

    Tickled pink at the moment with it.


    Got a few more mid-fi components I need to "get a plan together" for (beats sitting around and rotting):


  19. #19

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    One sold not long ago with a Blue LED... Go do it!

  20. #20

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    Trust me, use an Oyaide Inlet R IEC connector. I have used Furutech, and this relatively new Oyaide Inlet r, and the Oyaide Inlet R is definately better than the Furutch (in the same price range). However, I haven't used the $100.00+ Furutech. I installed the Oyaide Inlet R into my BAT VK-200 amp and it was definately a worthwhile upgrade.
    Taken from a recent Audioholics reply regarding "Club Polk" and Polk speakers:

    "I'm yet to hear a Polk speaker that merits more than a sentence and 60 seconds discussion."

    "Green leaves reveal the heart spoken Khatru"- Jon Anderson

    "Have A Little Faith! And Everything You'll Face, Will Jump From Out Right On Into Place! Yeah! Take A Little Time! And Everything You'll Find, Will Move From Gloom Right On Into Shine!"- Arthur Lee

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