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failure

  1. C

    Definitive Technology Mythos STS crapped out... worth repairing?

    Greetings... I dipped my toes into the world of higher end (?) audio eight years ago through a pair of Definitive Technology Mythos STS speakers. These speakers have integrated subwoofers and I loved the bass output and overall sound. But after dropping around $3000 CAD on them (at a time the...
    • chuckasaurus
    • Thread
    • amp boards def tech definitive technology failure
    • Replies: 7
    • Forum: Speakers
  2. michaelm101

    Continuous Vintage Failure: Please Recommend New "Modern" Amp

    I still have my old Kenwood KA-5700 I was awarded for straight "A"s in the fifth grade and I have fond recollections of going to the Federated Group and Cal Stereo dreaming about other gear. I've since collected several other amps/receivers of the 1970s era of Japanese crafted stereo gear. BUT...
  3. dswann01

    Marantz SM-7 Problem

    Hoping that some of you guys may be able to help with a recent problem. I have a Marantz SM-7 amp that I use with a Yamaha CA-810 integrated amp as preamp. While listening at very moderate volume this weekend there was a pop thru the speakers and an immediate drop in volume in both channels to...
  4. jFF_Bulbo

    SX 3900. Bad transformer?

    hello everyone I have a sx 3900 in which the DBT sends a short circuit when energizing, the unit has been restored and in particular the amplification section has been rebuilt according to the recommendations of the forum. The power transistors are the 2sc2922/2sa1216. and in particular the...
    • jFF_Bulbo
    • Thread
    • failure help pioneer resoration sx 3900 transformer
    • Replies: 7
    • Forum: Pioneer Audio
  5. H

    Marantz PM7200 doesn't start after cleaning

    Hello everyone. I would like to get your ideas what went wrong with my amp. I bought it recently and it was very dirty - all pcb’s were covered with thick layer of dust. I cleaned dust with brush and pcb with spirit and contact cleaner, then cleaned with cotton buds. After that I switched on...
  6. K

    Melted inductor & blown capacitors AR9LS

    Hello AKers About 5 years ago I acquired a pair of AR9LS. I sourced new capacitors and resistors and updated the crossovers using the old inductors. In the last listening session involving home brew and elevated listening levels, an issue related to one of the speakers became apparent. Upon...
    • Kraco_Lover
    • Thread
    • capacitor failure inductor speaker crossover
    • Replies: 15
    • Forum: DIY
  7. W

    Help needed - NR1604 just died

    Hello - I'm a new member and am hoping this very knowledgeable board might be able to help me sort out my dead NR1604. So a couple weeks ago the receiver failed to turn on and I noticed the standby power light was out. I unplugged the power cord and then when I plugged it back in, I heard a bit...
  8. Perro1965

    Peachtree Audio Nova failure

    Hi. I had an issue today with my Peachtree Audio Nova model. it had been working ok and out of nothing it shut off and now it seems “dead”. No response at all from the on/off switch. I thought it could have been a variation in voltage, but the protection fuse is ok. I have tried it on a...
    • Perro1965
    • Thread
    • failure nova peachtree peachtree audio
    • Replies: 4
    • Forum: DIY
  9. prose116

    Pioneer SX-939 Lights not working.

    Hi all, I picked up a SX-939 a few weeks ago for $50. from a guy that had it in his garage for 15 + years. I cleaned it up and recapped all the boards. I put new LEDs in and all lights work except for the function lights AM, FM, Phono 1, Phono 2, Mic, and Aux. I tried following the schematic ...
  10. jFF_Bulbo

    Marantz 2270 with FM problem.

    Hello. I have a 2270 receiver and al is working well, it was serviced 1 year ago, but FM sounds very very low, any idea about how to fix it? am works fine, fm ca be sintonized but it is almos unaudible...... Thank in advance!!
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