Adcom GDA-700

ben62670
ben62670 Posts: 15,969
edited February 2009 in For Sale (FS) Classifieds
$300 shipped with a pair of my Silver IC's. I need to sell. Minor scratches in the top left cover in a small area. Great analog section. I wouldn't let this go yet, but I have to get rid of something:( It's a very solid dynanamic unit that was Adcom's top of the line DAC. They went for $1000 new.
Ben

* Both single ended RCA and balanced XLR outputs
* Pacific Microsonics HDCD decoder/filter
* UltraAnalog AES receiver module
* Dual Burr Brown 20 bit DA converter
* Class A biased, direct coupled analog output stage
* Toroidal transformer used for audio section
* Independent transformer for digital section
* Features an AES/EBU input in addition to the usual coaxial and optical inputs.

I got this from a fellow Polkie. Here is his thread.
http://www.polkaudio.com/forums/showthread.php?t=64443
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
Post edited by ben62670 on
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Comments

  • heiney9
    heiney9 Posts: 25,165
    edited February 2009
    Great price for a great DAC. I just bought an amp so I'm tapped. I shouldn't even have spent the money on the amp :p.

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • ben62670
    ben62670 Posts: 15,969
    edited February 2009
    Thanks H9. I do really hate to see it go. I has that Adcom punch and the sweet details of vocals like Allison Kruass's lips parting between notes, but I have to let it go. I am dreading having to go back to my cheap Sony source, but I have a DIY DAC that I should be able to get going soon...
    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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  • Ender
    Ender Posts: 603
    edited February 2009
    This looks like a solid DAC... I am very interested... YGPM

    EDIT: Ok, maybe not. Looks like I need more posts to PM. Could we exchange numbers or email or something somehow?
    SDA 1C, SDA 2A, SDA SRS 2, CMT-340SE, Swan M200MKII, Swan D1080MKII, Behringer MS40

    Outlaw Audio M2200 x2, GFA 555 II, BGW 750C

    GDA 700, Outlaw Audio Model 990, Sansa Fuze, X-Fi Platinum Fatality
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  • Ender
    Ender Posts: 603
    edited February 2009
    Hrmm... Sorry to double post (seems the edit button phases out after a certain time), but how would the DAC on this unit compare to that of the GTP-830 or GTP-750 or GDD-1 which are comparably priced in the used market?
    SDA 1C, SDA 2A, SDA SRS 2, CMT-340SE, Swan M200MKII, Swan D1080MKII, Behringer MS40

    Outlaw Audio M2200 x2, GFA 555 II, BGW 750C

    GDA 700, Outlaw Audio Model 990, Sansa Fuze, X-Fi Platinum Fatality
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  • ben62670
    ben62670 Posts: 15,969
    edited February 2009
    This is Adcom's high end 2 channel DAC.
    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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  • heiney9
    heiney9 Posts: 25,165
    edited February 2009
    Ender wrote: »
    Hrmm... Sorry to double post (seems the edit button phases out after a certain time), but how would the DAC on this unit compare to that of the GTP-830 or GTP-750 or GDD-1 which are comparably priced in the used market?

    No comparison............the GDA700 is superior in every way.
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • fredv
    fredv Posts: 923
    edited February 2009
    H9, when did your wish come true? Just saw your Alpeh 30 in the signature :-)

    Ben, did you replace the NE5532's in the GDA700 with opa2134?

    -fredv-
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  • Ender
    Ender Posts: 603
    edited February 2009
    Well, I preemptively made an offer on Audiogon for a GTP-830 so if he doesn't accept within 2 days, I will definitely buy this. I will let you know. Thanks!
    SDA 1C, SDA 2A, SDA SRS 2, CMT-340SE, Swan M200MKII, Swan D1080MKII, Behringer MS40

    Outlaw Audio M2200 x2, GFA 555 II, BGW 750C

    GDA 700, Outlaw Audio Model 990, Sansa Fuze, X-Fi Platinum Fatality
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  • ben62670
    ben62670 Posts: 15,969
    edited February 2009
    fredv wrote: »
    H9, when did your wish come true? Just saw your Alpeh 30 in the signature :-)

    Ben, did you replace the NE5532's in the GDA700 with opa2134?

    The OpAmps are stock. I haven't done any mods to this unit. I could if someone were interested...
    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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  • Ender
    Ender Posts: 603
    edited February 2009
    Btw, could you post pics of these minor scratches?
    SDA 1C, SDA 2A, SDA SRS 2, CMT-340SE, Swan M200MKII, Swan D1080MKII, Behringer MS40

    Outlaw Audio M2200 x2, GFA 555 II, BGW 750C

    GDA 700, Outlaw Audio Model 990, Sansa Fuze, X-Fi Platinum Fatality
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  • heiney9
    heiney9 Posts: 25,165
    edited February 2009
    fredv wrote: »
    H9, when did your wish come true? Just saw your Alpeh 30 in the signature :-)

    Ben, did you replace the NE5532's in the GDA700 with opa2134?

    Slight detour Ben.............very recently took delivery Monday of this week. Found a good deal with a solid seller and pulled the trigger. What a fantastic piece. I'll be making a dedicated post shortly about my impressions.

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • ben62670
    ben62670 Posts: 15,969
    edited February 2009
    My camera flat out sucks. There is a pic of the unit in the link in the first post. The scratches were very minor, and I touched them up with a sharpie.
    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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  • fredv
    fredv Posts: 923
    edited February 2009
    ben62670 wrote: »
    The OpAmps are stock. I haven't done any mods to this unit. I could if someone were interested...
    I remembered you started a thread on that but didn't see the conclusion. So, I asked. Sorry, I apologize for the off topics (both this and the A30 with H9), my friend.

    -fredv-
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  • Ender
    Ender Posts: 603
    edited February 2009
    ben62670 wrote: »
    My camera flat out sucks. There is a pic of the unit in the link in the first post. The scratches were very minor, and I touched them up with a sharpie.

    Cool. I guess I could always spray paint them away if they are surface scratches...
    SDA 1C, SDA 2A, SDA SRS 2, CMT-340SE, Swan M200MKII, Swan D1080MKII, Behringer MS40

    Outlaw Audio M2200 x2, GFA 555 II, BGW 750C

    GDA 700, Outlaw Audio Model 990, Sansa Fuze, X-Fi Platinum Fatality
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  • ben62670
    ben62670 Posts: 15,969
    edited February 2009
    There is no need to spray paint the finish is fine. I just feel its proper to mention any flaws.
    Ben
    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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  • Ender
    Ender Posts: 603
    edited February 2009
    Ok, I got the counter offer which I somewhat expected. I was able to decline.

    Could we exchange contact phone numbers? I can't pm you though...
    SDA 1C, SDA 2A, SDA SRS 2, CMT-340SE, Swan M200MKII, Swan D1080MKII, Behringer MS40

    Outlaw Audio M2200 x2, GFA 555 II, BGW 750C

    GDA 700, Outlaw Audio Model 990, Sansa Fuze, X-Fi Platinum Fatality
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  • ben62670
    ben62670 Posts: 15,969
    edited February 2009
    Sold.
    Thanks ender.

    Ben
    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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  • engtaz
    engtaz Posts: 7,663
    edited February 2009
    Congrats you 2.

    engtaz
    engtaz

    I love how music can brighten up a bad day.
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