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fuses

  1. jmsdvdp@aol.

    Pioneer SX-680 fuse replacements

    I have recently acquired a Pioneer SX-680 that is in incredible condition. I'd like to get some fuses just to have on hand but am having trouble finding what would be the correct replacements that are available now. The below list is what's called for in the service manual, but I can't determine...
  2. D

    Advent Maestro fuses blown, replacement?

    I bought a pair of Advent maestros today. The lows and mids were beautiful but the highs were somewhat muddied. They’ve been refurbed, the foam on the front is beautiful and the speakers in general are in good condition. I brought em home and left them, I had to go to work and was gonna set...
    • djedee
    • Thread
    • 5a fuse advent maestro blown fuse fuse fuses
    • Replies: 3
    • Forum: Speakers
  3. KD2KGA

    Power & Fuses

    Quick story with advice and then a question at the end. I have a Pioneer SA-8800 that I had recapped by a tech years ago. Now I'm getting into doing things for myself and recently recapped a Technics SA-200 that I found. And look, I'm still alive. I had some power issues a few months back with...
  4. N

    Do speaker fuses affect the sound?

    Some of my vintage speakers have fuses to protect the mids/tweeters. Would mismatched fuses (like different types or voltage/current ratings) affect the impedance/sound/ or something else?
    • nimM
    • Thread
    • fuses
    • Replies: 23
    • Forum: Speakers
  5. Oleg LED

    Speaker protection fuses in Technics SU-7300?

    Does anyone know what kind of fuses are used to protect speakers in Technics SU-7300? Are they slow blow or fast blow? Based on the Technic's part number (XBASIA3301) it looks like these fuses are slow blow type?
  6. jeeem

    Kenwood KR-6400 lights out. Blown fuse?

    My very first receiver was a Kenwood KR-5400, which was stolen from my very first apartment when I was in college. Recently, I found a 6400 with a few dark lights (one VU meter and the STEREO indicator lamp). Being the optimistic novice that I am, I thought I could fix it. It appears that the...
  7. K

    Repairing Technics SA-600

    Hello all, I've come across this Technics SA-600 that's been in storage for a couple decades, and decided to try getting it running again. Though the external speaker protection fuses are fine, the F2 fuse inside continually blows. I saw in this thread...
    • KixBit
    • Thread
    • fuses fuses bl sa-600 technics
    • Replies: 26
    • Forum: DIY
  8. destroyerzx1

    Yamaha B-2 fuse, slo or fast?

    I wanted to replace the fuses in my b2 with "audio grade fuses", ya ya pelt me with rocks... the ones that are in there are normal acting the board says T500ma and from what I can gather that is Time Delay but I really don't want to mess anything up. Also has 2 5A fuses they don't specify on...
    • destroyerzx1
    • Thread
    • amplifiier blow fast fuse fuses slow blow yamaha
    • Replies: 23
    • Forum: Yamaha
  9. forceof1

    I'm Afraid I've Done a Bad Thing.

    Ugh. Just got a Marantz 250. Worked great until I tried to run 2 right and left in series. Ohms are fine. Fired it up, came on for a split second and blew the fuse. I had 1 wire in the wrong place. From there I checked continuity to make sure all was good, another fuse. Disconnected all...
  10. Hyperion

    TU-719 blowing fuses

    I had a bit if an issue with my TU-719 for a few days. I had unwisely so it seems, reconnected it to my AU-919 with the tuner powered on, I can only think I might have briefly shorted an RCA inner to ground? - having trouble understanding how that damaged the tuner. Afterwards only the dial...
  11. Treyson

    JVC ja-s310 blowing a fuse

    Hello AK! I am stumped. I have a JVC ja-s310 that is blowing fuse #2. Initial thought was to recap the whole system so I did and if nothing else that was a great learning experience but after making sure everything was clear and correctly installed I tried to turn it on again and the fuse fired...
    • Treyson
    • Thread
    • diy fuses jvc recap
    • Replies: 5
    • Forum: DIY
  12. ILLINOISgoy

    Fisher 800c popping fuses!

    My Receiver keeps popping fuses and I'm wondering if it's something as simple as the power cord or??? Any help is appreciated
  13. Manchophile

    Fuse Protecting multiple speakers

    Hi everyone. I am new to this forum so be easy on me. I know just enough to get in trouble. Any speaker gurus out there, this is for you. I have a Phase Linear 400 II and I want to hook up multiple speakers. 4 pair to be exact. If you are not familiar with the Phase Linear it only has...
    • Manchophile
    • Thread
    • fuse fuses parallel phase linear 400 testing power amplifier sansui speaker cable vintage amp
    • Replies: 91
    • Forum: Speakers
  14. ScooterMcTav

    Ceramic vs Glass Fuses

    So trying to get a Rotel RB-976 up and running, and in checking fuses yesterday managed to break one of the ceramic 6A fuses. Finding another 6A ceramic fuse locally is quite the challenge. Am I OK to substitue a 6A slo-blow glass fuse instead? I can mail order a ceramic one, but looking for...
  15. A

    Technics SU-8080 blowing fuses instantly.

    After losing sound in one channel due to a bad power transistor on the main amp board, I replaced the set, because I figured why not. The set being 2SA913s and 2SC1913s replaced with MJE15030G and MJE15031 respectively. I read elsewhere on the board that this would be fine. The big filter caps...
    • Aberhammer
    • Thread
    • fuses technics
    • Replies: 12
    • Forum: DIY
  16. TheCodeDawg

    Kenwood KA-7100 fuse blows

    I recently acquired a dead Kenwood KA-7100. I opened it to discover that [Fe1, Fe4] and fe2 were blown. I tested the output transistors and found that Qe27 and Qe29 were bad. Qe28 and Qe30 tested good. I replaced Qe27 and Qe29. Now Fe1, Fe4, Fe3 survive, but after 20-30 seconds fe2 still...
  17. W

    Pioneer Sx-535 Blowing 4A Fuses

    Working on a nice SX-535 right now... came to me with both 4A fuses on the Power Supply Circuit board blown. Replaced both of them right off, powered the unit up and they blew again immediately. As it stands right now there is signal from both channels albeit quiet, heavily distorted signal...
  18. R

    Fuses for W70s

    I have a pair of Wharfedale W70s that I bought in 1964. I want to protect the speakers from today's more powerful amps. What is an appropriate fuse -- amps, fast-blow of slow blow, etc.?
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