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Polk Audio SDA SRS 1.2TL Crossover Modification Thread

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  • VR3VR3 Posts: 23,571
    edited May 2013
    Thank you sir! :]

    This is by far the hardest to photograph mod I have performed. It is so large and multi dimensional...

    The owner is pumped! :]
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • Moose68BashMoose68Bash Posts: 3,630
    edited May 2013
    Trey,

    Those look fantastic, and I bet they sound even better!

    Congratulations! Job well done, sir!

    Phil
    Family Room, PS Audio PW Transport, DirectStream DAC w/Bridge II; AQ Sky XLRs, McIntosh MC 220 Tube Pre; AQ Sky XLRs, CAT 600.2 Dualmono Amp, Morrow SP7 Speaker Cables, SDA SRS 1.2tls (RD0198s, Dreadnought, Black Hole 5, Acousta-Stuf, Dynamat Extreme, JBWeld. Vr3 Mods: "The Abbot" Monastery-Level Xovers, Custom Internal Wiring, Binding Post Plates, & SDA ICs).

    Exercise Room, Wadia 171 iPod Dock, PS Audio PerfectWave MkII DAC w/Bridge II, AQ Sky XLRs, Perreaux PMF3150 Amp, Dreadnought, Supra Rondo 4x2.5 Speaker Cables, SDA 1Cs (Vr3 Mods Xovers).

    Synology 713+ NAS on Gigabit LAN serving PW MkII DAC & DirectStream DAC.
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  • VR3VR3 Posts: 23,571
    edited May 2013
    Thanks Phil! :)

    How are the Allison's coming? :)
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • VR3VR3 Posts: 23,571
    edited June 2013
    I received a call from the owner last night and he was thrilled.. should have a review I can post here in the next few weeks!
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • VR3VR3 Posts: 23,571
    edited August 2013
    I am getting to build another one of these monsters but this time even CRAZIER! :-D

    All MR! I am going to add a horizontal strip towards the back to mount the large inductor on! Will be fun!
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • OldfatdogsOldfatdogs Posts: 1,885
    edited August 2013
    You got it going on young man,very nice job.
    Dan
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  • VR3VR3 Posts: 23,571
    edited August 2013
    Thank you sir! :)
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • DrenisDrenis Posts: 2,872
    edited August 2013
    Bet that's expensive. 5 figures.
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  • VR3VR3 Posts: 23,571
    edited August 2013
    It actually was not too much more, I now have the channels to acquire 400v MR so it saves cost but not sacrifice performance... :)
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • VR3VR3 Posts: 23,571
    edited August 2013
    I like the size of the 400v MR!
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • treitz3treitz3 Posts: 13,168
    edited August 2013
    Whoa! Them's some biggun's...
    In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence.

    The best way to enjoy digital music reproduction is to never listen to good analogue reproduction.

    ~ When the law ends, tyranny begins ~
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  • VR3VR3 Posts: 23,571
    edited August 2013
    They are actually SMALL, I like it. The 400v is maybe 40% of the size of the 620v! Definitely a space saver!!

    Example, the left caps are 6.8uf 620v, the middle caps are 12uf 400v
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • Toolfan66Toolfan66 Posts: 14,293
    edited August 2013
    I think I got some of the last 620v, I have to say I like the smaller size..
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  • VR3VR3 Posts: 23,571
    edited August 2013
    They still make the 620v but the 400v for the price will start to take over! I like the size and price for sure! Might actually be able to squeeze some MR caps on the inside of the LSiM705! :)
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • treitz3treitz3 Posts: 13,168
    edited August 2013
    Oh, my bad. I thought the old size was off to the right and the new size, well..... They looked to have been about the size of a half gallon of milk. Silly me.

    Tom
    In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence.

    The best way to enjoy digital music reproduction is to never listen to good analogue reproduction.

    ~ When the law ends, tyranny begins ~
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  • VR3VR3 Posts: 23,571
    edited August 2013
    haha! That would be AWESOME! I would need a bigger shelf for sure!
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • pitdogg2pitdogg2 Posts: 14,943
    edited August 2013
    Silly question coming......

    Why would anyone need 600+ volt for audio? Obviously there are other uses for them than speakers just can't come up with any....

    Are there speakers that would need a 400v cap even?
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  • VR3VR3 Posts: 23,571
    edited August 2013
    Here are some resources -

    http://www.learningaboutelectronics.com/Articles/What-does-the-voltage-rating-on-a-capacitor-mean
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • VR3VR3 Posts: 23,571
    edited September 2013
    I dub ye... the "White Knight" of the Monastery series!

    All Clarity Cap MR, all the time
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • VR3VR3 Posts: 23,571
    edited April 2014
    1.2TL GIMPOD, always fun :)
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • deafbykhornsdeafbykhorns Posts: 150
    edited May 2014
    I'm guessing about a $1200 build?
    Main System- Scratch built 2A3 , Lightspeed preamp, Technics SP15/Graham/XV1s,Klipschorns w/ALK xovers/Trachorns, Speakercraft MT8(4), Sonos ZP90, Yamaha Aventage for surround
    Office System- Adcom GTP500, Bedini 45/45,Lexicon RT-20,Enlightened Audio DAC, Polk SDA2.3TL, Northcreek Borealis
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  • nspindelnspindel Posts: 5,346
    edited May 2014
    Here's a question - how much would you have to pay retail for a new pair of speakers that are built with this level of electronics inside?
    Good music, a good source, and good power can make SDA's sing. Tubes make them dance.
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  • deafbykhornsdeafbykhorns Posts: 150
    edited May 2014
    Most the guys on here probably don't pay retail
    Typically multiply the parts price time 6 is a rule of thumb for retail?
    Main System- Scratch built 2A3 , Lightspeed preamp, Technics SP15/Graham/XV1s,Klipschorns w/ALK xovers/Trachorns, Speakercraft MT8(4), Sonos ZP90, Yamaha Aventage for surround
    Office System- Adcom GTP500, Bedini 45/45,Lexicon RT-20,Enlightened Audio DAC, Polk SDA2.3TL, Northcreek Borealis
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  • treitz3treitz3 Posts: 13,168
    edited May 2014
    nspindel wrote: »
    Here's a question - how much would you have to pay retail for a new pair of speakers that are built with this level of electronics inside?
    A lot.

    Tom
    In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence.

    The best way to enjoy digital music reproduction is to never listen to good analogue reproduction.

    ~ When the law ends, tyranny begins ~
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  • VR3VR3 Posts: 23,571
    Work in progressa7mdvexgz2q6.jpg
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • ptrooperptrooper Posts: 321
    love all your work .
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  • VR3VR3 Posts: 23,571
    New laser cut plates uasynh1pgvqp.jpg
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • VR3VR3 Posts: 23,571
    Clarity CSA / CMR

    03jh4v3gu2gy.jpg
    5coolub16qvd.jpg
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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  • VR3VR3 Posts: 23,571
    Digging the new CSA/CMR! :)

    zshype5pd6vy.jpg
    - Not Tom

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
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