NAD: GK 400RB Series I 1985?

Discussion in 'Amps [BG]' started by Simon Langley, Jan 5, 2014.


  1. Simon Langley

    Simon Langley

    Joined:
    Jun 19, 2007
    Location:
    Chico, CA
    Picked this up off of local craigslist. Assuming it's March 1985 production? Series I right? GK aficionados let me know please. In very good shape for its age and sounds awesome. Very happy! ImageUploadedByTalkBass1388963375.771137.jpg ImageUploadedByTalkBass1388963391.743709.jpg ImageUploadedByTalkBass1388963406.347797.jpg
  2. tjh

    tjh Supporting Member

    Joined:
    Mar 22, 2006
    Location:
    Minnesota
    yup ... looks good
  3. bassrock

    bassrock

    Joined:
    Jul 16, 2010
    Congrats!! I love the 400rb, haven't touched my other amps since I got mine.
  4. winston

    winston

    Joined:
    May 2, 2000
    Location:
    Berkeley, CA
    Congrats! Does it power the Neos well?

    I have an '87 400RB that looks identical except the back panel is black.

    IIRC the very first 400RBs released had 2 input jacks instead of the single input with -10dB switch.
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  6. FranF

    FranF Supporting Member

    Joined:
    Jul 25, 2004
    Location:
    Northeastern PA
    March 85 it is. I have an '84 and an '88. Crazy reliable and still sound great. To really open her up, get a 4 ohm load on it. 8's okay, but it's great at 4.
  7. orangejulius3

    orangejulius3 Supporting Member

    Joined:
    May 6, 2013
    Location:
    La Habra CA
    I'm not sure about production date, but I believe the first version did not have a detachable power cord and if I'm not mistaken, the boost only can be turned on by a foot switch.

    Your amp does look clean though!
    Enjoy!
  8. Simon Langley

    Simon Langley

    Joined:
    Jun 19, 2007
    Location:
    Chico, CA

    Good to know. Only played it through the top cab in the pic so far but plan on knocking down to 4 ohm in most cases with both cabs.
  9. Simon Langley

    Simon Langley

    Joined:
    Jun 19, 2007
    Location:
    Chico, CA

    Weird thing is the boost on this one is engaged without a foot switch connected. Gonna connect a foot switch and see if I can shut it off that way.
  10. tomshad

    tomshad

    Joined:
    Feb 15, 2007
    At 8 ohms it is 130 watts rms. 4 o load will give you the full 200 watt output .
  11. tjh

    tjh Supporting Member

    Joined:
    Mar 22, 2006
    Location:
    Minnesota
    A 400RB with dual inputs? .. could you be thinking of the earlier 400B?
  12. tonym

    tonym Supporting Member

    Joined:
    Apr 12, 2011
    Congratulations! I bought a serie II off a fellow TB'er a few years ago and LOVE it! :bassist:
  13. tjh

    tjh Supporting Member

    Joined:
    Mar 22, 2006
    Location:
    Minnesota
    125 @ 8 ohms ;)
  14. bassgod0dmw

    bassgod0dmw Supporting Member

    Joined:
    Mar 1, 2007
    Location:
    White Plains
    It'll stay on or off depending on how it was last set via the footswitch. Boost on is the way to go ;)
  15. B-string

    B-string Supporting Member

    Joined:
    Nov 21, 2008
    Location:
    Lake Havasu City, Az USA
    Yes series one. Footswitch allows you to turn off the boost. Nice find!
  16. johnson79

    johnson79

    Joined:
    Jan 8, 2010
    Location:
    East Petersburg PA
    I've been thinking about a 400rb myself. At 4 ohms is it powerful enough for a live setting? I don't have any experience with them.
  17. B-string

    B-string Supporting Member

    Joined:
    Nov 21, 2008
    Location:
    Lake Havasu City, Az USA
    If you have speaker area yes. I would not try with a 110 or 112 cab, even a 210 or 115 might be a stretch depending on your bandmates.
  18. funkingroovin

    funkingroovin Conquering A-D-D,and all the other notes as well!

    Joined:
    Apr 19, 2009
    Location:
    Northern Michigan
    It's quite capable,and most will tell you,a very loud 200 watts. I've been gigging mine(born Jan.'85;)) in bar bands forever without a single problem ever. Built like a tank,and the famed GK growl at any volume.
  19. funkingroovin

    funkingroovin Conquering A-D-D,and all the other notes as well!

    Joined:
    Apr 19, 2009
    Location:
    Northern Michigan
    I'll be the first to admit,we're pretty loud..and I use a single 4ohm 2-10 cab quite often with the 400..nooo problem!;)
  20. Pimmsley

    Pimmsley

    Joined:
    Nov 29, 2012
    Location:
    Melbourne, Australia
    +1 IME too...

    Enjoy ! Great, great amp :)
  21. bassgod0dmw

    bassgod0dmw Supporting Member

    Joined:
    Mar 1, 2007
    Location:
    White Plains
    They are pretty loud with the right cab. I gig mine no problem with a relatively loud band and no PA support.

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