Is the NAD 317 Integrated Amp "Common Ground"?

Conradicles
Conradicles Posts: 6,081
edited March 2009 in 2 Channel Audio
Is the NAD 317 a "common ground" amp that I could use with my SDA's in my 2 channel rig?

Thanks guys, I tried to search the forum but we have a very finicky search engine and got no hits.
Post edited by Conradicles on
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  • Conradicles
    Conradicles Posts: 6,081
    edited March 2009
    According to NAD the 317 integrated is very close to the NAD 214 power amp. Nearly identical.
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  • NJPOLKER
    NJPOLKER Posts: 3,474
    edited March 2009
    Call the nice folks at NAD and ask.
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  • Systems
    Systems Posts: 14,873
    edited March 2009
    I will bet the farm on it.It has a bridging switch indicting that in normal stereo mode the output stage will not be a bridged/balanced design.
    Testing
    Testing
    Testing
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  • Conradicles
    Conradicles Posts: 6,081
    edited March 2009
    GV#27 wrote: »
    I will bet the farm on it.It has a bridging switch indicting that in normal stereo mode the output stage will not be a bridged/balanced design.

    Thanks GV#27. One for sale locally that has caught my eye. ;)
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  • Systems
    Systems Posts: 14,873
    edited March 2009
    Conradicles wrote: »
    Thanks GV#27. One for sale locally that has caught my eye. ;)

    Your welcome,just don't try to operate it in bridged mode with SDA's.
    Testing
    Testing
    Testing
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  • billbillw
    billbillw Posts: 6,766
    edited March 2009
    Conradicles wrote: »
    Thanks GV#27. One for sale locally that has caught my eye. ;)

    Check the amp closely for hum/buzz in quiet passages or with no input. The 317 can potentially have a hum/buzz problem due to one of several issues. Namely, bad solder joints in the volume board, bad solder joints in preamp section, and possibly bad caps or solder joints in the protection circuit. If it has the latter problem, it will occasionally get stuck in protection mode.
    None of these issues are hard to fix if you are handy with a soldering iron and have the service manual (available from hifiengine.com)

    I played around with one of these amps for a little while last year. Unfortunately, mine was plagued with several of these problems listed above in addition to a problem receiving signals from a remote. I sent it back to the seller for a refund. Outside the hum/buzz, protection mode problems, and the remote issues, it was a great sounding little amp and it went very well with a pair of vintage Mon 7 that I had at the time. I would imagine it would sound good with a smaller set of SDA, but probably would lack the guts to drive 1C or bigger SDA.
    For rig details, see my profile. Nothing here anymore...
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  • Conradicles
    Conradicles Posts: 6,081
    edited March 2009
    Looks like I may get this NAD 317 in the next couple of days. The seller will throw in the NAD 522 CD player as well for a few dollars more. He bought them new and is the only owner.
    The CD player did not get the best online reviews, but for the price I'll take it and give it a listen.
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  • billbillw
    billbillw Posts: 6,766
    edited March 2009
    BTW, you can see gut shots in the "show us your a$$/guts" thread.
    Here: http://www.polkaudio.com/forums/showpost.php?p=850701&postcount=538
    For rig details, see my profile. Nothing here anymore...
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  • Conradicles
    Conradicles Posts: 6,081
    edited March 2009
    billbillw wrote: »
    BTW, you can see gut shots in the "show us your a$$/guts" thread.
    Here: http://www.polkaudio.com/forums/showpost.php?p=850701&postcount=538

    Killer! Thanks a bunch billbillw.
    The sells claims his has no audible hum/buzz, that was the 1st thing I asked.
    Great pics.
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  • billbillw
    billbillw Posts: 6,766
    edited March 2009
    Conradicles wrote: »
    Killer! Thanks a bunch billbillw.
    The sells claims his has no audible hum/buzz, that was the 1st thing I asked.
    Great pics.

    Yeah, my seller said the same thing. Make sure you listen closely yourself before dropping cash.
    For rig details, see my profile. Nothing here anymore...
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  • Conradicles
    Conradicles Posts: 6,081
    edited March 2009
    How did you fix the problem?
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  • billbillw
    billbillw Posts: 6,766
    edited March 2009
    Conradicles wrote: »
    How did you fix the problem?

    It was returned to the seller for a refund. I didn't fix it.
    For rig details, see my profile. Nothing here anymore...
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  • Conradicles
    Conradicles Posts: 6,081
    edited March 2009
    This is a killer little amp. Last night I ran it for hours at very high volumes with my SDA's (6 ohms) and it hardly even got warm. My old Onkyo would have been so hot you could have freid an egg on that bad boy.

    Think this one is a keeper for now.;)
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  • ben62670
    ben62670 Posts: 15,969
    edited March 2009
    Congrats. Now bring it down for a get together:)
    Please. Please contact me a ben62670 @ yahoo.com. Make sure to include who you are, and you are from Polk so I don't delete your email. Also I am now physically unable to work on any projects. If you need help let these guys know. There are many people who will help if you let them know where you are.
    Thanks
    Ben
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  • rubin
    rubin Posts: 565
    edited March 2009
    I have used both amps with my Paradigm 100's. I even bi-amped them and to my ears they sound identical.I read that Peter Bath was the leading engineer responsible for a lot of earler Nad and AMC products.They look very similar inside as well.Their ratings are 150 wpc .
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  • Conradicles
    Conradicles Posts: 6,081
    edited March 2009
    Really like this NAD gear. I doubt this little guy is worthy to bring down to a get together Ben, but I want to come down and chill and meet some other polkies. If I make the trip, I really want to hear some tubes, maybe the little amp Tom/George/Russ are throwing around.
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  • Conradicles
    Conradicles Posts: 6,081
    edited March 2009
    rubin wrote: »
    I have used both amps with my Paradigm 100's. I even bi-amped them and to my ears they sound identical.I read that Peter Bath was the leading engineer responsible for a lot of earler Nad and AMC products.They look very similar inside as well.Their ratings are 150 wpc .

    These noobs are killin' me!:mad::mad::mad:
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