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  1. #91

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    Quote Originally Posted by zingo View Post
    There is a local Classe CA-200 amp I'm eyeing...
    Nice piece. If I was in the market for a Carver I would try to buy the one you just got off ya lol... but I am not right now (just picked up a Sunfire TGP-II for my 2 channel system that drained the bank)
    Advice is free, the Flea Market is earned - F1Nut

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    HT: APC H15 | Pio 51FD | Uverse | Xbox 360 | Squeezebox Classic | Integra DTR 5.9 | Carver AV-705x & M1.0t MKII Opt002 | LSi 15 | LSiC | LSi F/x | Kimber Hero IC & 8VS SC

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  2. #92
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    I also don't think either of us want to shop a large amp across the country; can be done, but not fun.

  3. #93

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    Quote Originally Posted by zingo View Post
    I also don't think either of us want to shop a large amp across the country; can be done, but not fun.
    Agreed, can be done if necessary, but not fun and only at high risk. I prefer the smaller M and TFM series amps, lighter, easier to pack and ship.

    That said it is possible you can sometimes end up with a totally refurbed amp (that was due for a re-cap anyway) on the carriers insurance dime due to said in transit damage.
    Advice is free, the Flea Market is earned - F1Nut

    Lessons cost money, good ones cost LOTS - Tony Beets

    HT: APC H15 | Pio 51FD | Uverse | Xbox 360 | Squeezebox Classic | Integra DTR 5.9 | Carver AV-705x & M1.0t MKII Opt002 | LSi 15 | LSiC | LSi F/x | Kimber Hero IC & 8VS SC

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  4. #94
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    The amp all hooked-up with new passive preamp. Listened for a few minutes last night as the bass is improved with the additional power, still getting a feel for the voicing and sound stage, but first impressions are enjoyable, dynamic, and very detailed.

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  5. #95

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    Quote Originally Posted by zingo View Post
    The amp all hooked-up with new passive preamp. Listened for a few minutes last night as the bass is improved with the additional power, still getting a feel for the voicing and sound stage, but first impressions are enjoyable, dynamic, and very detailed.

    Attachment 84947
    I'm tempted to think that anything would look nice sitting on that stand, but that is a very pretty amp.
    USB Interface: Stello U2, Nuforce uDAC2 ║ DAC: Stello DA100 Signature, Keces DA-151 MK2
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  6. #96
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    Quote Originally Posted by blairfrischx View Post
    I'm tempted to think that anything would look nice sitting on that stand, but that is a very pretty amp.
    It's a really crappy Fred Meyer component stand, but I'm glad my pictures are flattering. The stand only holds 70lbs on the main shelf, and the door are cockeyed, so take my advice and buy a good one the first time!

  7. #97
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    I had the opportunity to pick up what could be a very good sounding, unique custom amp. Can anyone guess the design or the builder?

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    Last edited by zingo; 05-17-2013 at 05:12 PM.

  8. #98

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    Hypex,I have several.Looks like a re-purposed Adcom chassis.http://www.polkaudio.com/forums/show...belles+chassis
    Last edited by FTGV; 05-17-2013 at 05:31 PM.

  9. #99
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    Bingo! Here is what Gary Dodd had to say about his amp:

    This thing is built into and old Adcom GFA-555 chassis. The rear plate has been remade out of 3/8" thick aluminum for rigidity. It is based on stock Hypex UCD-400 modules! The power supply rails are plus, minus 60 volts and that is coming from an 800 VA transformer, dual windings feeding 2 full wave rectifiers in a pi configuration. As you see in the pics I have included the bottom toroid in the center is the main transformer. There is a 18mh 16Amp toroid choke on eachside of the main transformer,1 for each rail. There are 4 6800uf/80v nichicon cans on each side of the chokes for a total of 54,400uf per rail. You'll notice another large toroid on top of the main toroid, that's for the full balanced power supply that is built into this amp. There is also an input filter on the IEC connector into the fully balanced toroid. That's how this amp creates the sonics that it does. It makes 200 watts at 8 ohms and 400 watts at 4 ohms continuous; actually it measures more than that and is incredibly quiet! Great for driving a pair of Maggies, or another low impedance, hard to drive pair of speakers.
    Last edited by zingo; 05-17-2013 at 05:50 PM.

  10. #100

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    Interesting power supply.The Hypex modules sound quite good even with a basic bridge/filter cap supply.As well their small size and ease of implementaion make them well suited to multi amped active systems. I'm currently using a 1/2 dozen Ucd 180's to drive a fully active setup.Their(Hypex) latest development the Ncore's are attracting a lot attention but unfortnately the price of admission is very steep.
    Last edited by FTGV; 05-17-2013 at 09:14 PM.

  11. #101

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    Quote Originally Posted by zingo View Post
    I had the opportunity to pick up what could be a very good sounding, unique custom amp. Can anyone guess the design or the builder?
    So did you or not?
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche

  12. #102
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    Yup! Currently testing it for DC offset before plugging it into the system. Sexiest internals of a class D amp I've ever seen...

  13. #103
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    6mV each side...

  14. #104

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    Quote Originally Posted by zingo View Post
    Yup! Currently testing it for DC offset before plugging it into the system. Sexiest internals of a class D amp I've ever seen...
    Some days I just hate you Zingo.... the rest I am just jealous .

    Enjoy!
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    HT: APC H15 | Pio 51FD | Uverse | Xbox 360 | Squeezebox Classic | Integra DTR 5.9 | Carver AV-705x & M1.0t MKII Opt002 | LSi 15 | LSiC | LSi F/x | Kimber Hero IC & 8VS SC

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  15. #105

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    Is this a one off or does the seller have a stash of old Adcom chassis's he plans on retro fitting?

  16. #106
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    It's a one-off, Gary Dodd experiment to get high power, high SQ, and no noise from class-D. One could even install a 120v/60hz outlet on the back of the chassis to plug their other components into the balanced power if one was so inclined; but I won't. :)

    Great build quality separate power supply and amplifier board switches, all Cardas connectors, and perfect wiring. The Carver A500x still sounds good as I just unhooked it, but this is already better... :)

  17. #107

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    Quote Originally Posted by zingo View Post
    ..., all Cardas connectors, and perfect wiring....
    But no XLR'sThese modules prefer being driven by a differential source ,if one happens to have one.

  18. #108
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    Fair enough, but I'm all RCA, so no concern here.

  19. #109

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    That's a very cool amp! I really wish my area(s) of the country had more going on Craigslist. I'd love to find some custom DIY amps and speakers floating around.
    USB Interface: Stello U2, Nuforce uDAC2 ║ DAC: Stello DA100 Signature, Keces DA-151 MK2
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  20. #110
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    A link to some basic info on the amp: http://www.gr-research.com/amps/dodd.htm

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