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  1. #1
    Forum Regular stevef22's Avatar
    Join Date
    May 2006

    Anyone know the blue book of the Adcom GTP-600 preamp?

    I might buy a preamp from a military guy who has the original box, manual and remote. What is the bluebook of the preamp in middle condition?

    Also a little history of this amp would be nice.. Thank you

    Stock photo of GTP-600

  2. #2
    Retro Modernist 02audionoob's Avatar
    Join Date
    Jun 2008
    Dallas, TX
    I see they went on eBay for $102 and $103, lately. There was also one that went for $50, but it appears to be an anomaly due to a seller with no feedback and a unit without its remote.

  3. #3
    Audio Hobbyist Since 1969 Glen B's Avatar
    Join Date
    Dec 2001
    New York
    The Audiogon Bluebook average price of the GTP-600 is $320.00. The last one sold for $240.00 and the lowest selling price was $150.00.

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