2sk77

  1. Nashou66

    Sick Yamaha B-1 Just came in, what road to recovery should I take?

    There was this B-1 on the Bay not far from me that was listed as one channel working for a few seconds and then going into protect, while the other channel blows a fuse immediately . I asked the seller If i could drive over to see it and bring some tools so I could check the V-fets. He said...
  2. rottalpha

    Yamaha B-1 Quickie

    Hi Gang, time to start a B-1 thread of my own and stop highjacking other's. A little while back I purchased a nice looking B-1 with UC-1. I played it for a bit after I got it and it sounded so so, but nothing to write home about. At low volumes it was definitely lacking the definition I...
  3. vintagejapan

    Yamaha B-1 restoration/repair

    Hi, First would like to thank all contributing audiokarma members that have helped me and many others bringing back to life all these wonderful vintage pieces that deserve all the TLC they receive. I am trying to bring back to life a Yamaha B-1 v-fet power amp. It is in need of one 2SK77...
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