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yamaha ns-690

  1. P

    Yamaha NS-690 I, Wood discoloration, help?

    Hello everyone I have a pair of Yamaha NS-690 I, they have a decoloration in the shape of the front dust cover, I thought it was somethig related with the age and exposition to the light but I've been checking the same speakers on ebay and noticed they have the same issue than mine, does...
    • Pleyades
    • Thread
    • speakers wood body yamaha yamaha ns-690
    • Replies: 4
    • Forum: Yamaha
  2. CosmoK

    Wrong size foam causing muffled woofer?

    I just recapped and refoamed a pair of Yamaha NS-690 II. The tweeters and mid sound great. The woofers seem weak and I suspect the foam doesn't fit right. I bought the foam from a prominent vendor and it was about 1/2" too wide to fit in the frame. I triple checked my order, but then figured...
    • CosmoK
    • Thread
    • foam refoam yamaha ns-690 yamaha ns-690 ii
    • Replies: 12
    • Forum: Speakers
  3. P

    Yamana NS-690 how to remove gray dots?

    Hello guys I've just recently got a pair of Yamaha NS-690 and I've started cleaning them, but I noticed some weird gray dots, I tried to clean them with alcohol, vinegar and acetone without success, I've started to think there are some kind of rust but the speaker basket looks like aluminum...
    • Pleyades
    • Thread
    • yamaha ns-690
    • Replies: 12
    • Forum: Yamaha
  4. Steven Ver

    Yamaha JA-0701A driver needed

    Have a dead midrange driver from NS-690 I loudspeaker. Looking for a good working replacement that doesn't have to be pretty, it will be hidden behind 1950's pleated tulle fabric grilles. I bought a pair of NS-690's in massive vintage distressed walnut french provincial cabinets. I knew what I...
  5. Jim Lyons

    Yamaha NS-690 - got these for free - want to check all drivers

    I got these for free. Had not had a chance to check them out thoroughly with my restored Pioneer SX-1250. Due to working from home, I now wanted to ask for advice. These are three way speakers, with a dome tweeter (think it’s metal), a mid-range, and a large woofer. I felt the high end just...
    • Jim Lyons
    • Thread
    • crossovers pots yamaha ns-690
    • Replies: 10
    • Forum: Speakers
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