• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

630

  1. David_NC

    HK 630 Receiver - FM Issues and Amp Adjustments

    I picked up this 630 Twin Powered receiver about a week ago, along with the Concept 4.5D pictured with it (not pictured is the non-functional 4.5D that was also included). The HK is in near mint condition cosmetically, other than needing a little cleaning. Functionally, it's also good, other...
  2. Timothy Flath

    Nakamichi 630 Preamp/Tuner Restoration Project from Vintage System One

    Hello all. I noted there is really not much info out there on attempted restorations of the Nakamichi System One components. Thought I would start with the Nakamichi 630 combined Preamp/Tuner component. I recently aquired this system in trade for an amp I built and am tickled pink with how cool...
    • Timothy Flath
    • Thread
    • 630 nakamichi nakamichi 630 preamp recap restoration system one tuner
    • Replies: 4
    • Forum: DIY
  3. dlucy

    dlucy's guide to Harman Kardon Twin Powered series 430, 630, 730 and 930 ... and Montgomery Ward 450

    The fourth era of Harman Kardon's solid state stereo receivers were the Twin Powered series: This thread is a guide to those models, their specs, and pointers to schematics and restoration threads for each. Note: If you have additional information on any of these models or have a great...
    • dlucy
    • Thread
    • 430 630 730 930 harman kardon harman kardon 430 harman kardon 630 harman kardon 730 harman kardon 930 hk
    • Replies: 24
    • Forum: Solid State
  4. @udi0$lave

    Looking for parts - HK630

    I'm looking for a power button and the large tuner pulley for an HK630. Not much showing up online. Any recommendations?
Back
Top Bottom