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  • Help!: relay clicking and silent output - Steve Hoffman Music Forums
    Well, it would most likely be the speaker output relay clicking, so there is circuit logic that determines if it is safe to close the relay and activate the speakers There is the initial power on delay, usually just a RC filter on old gear like this, but probably some other conditions that will drop it back out, usually excessive DC voltage on
  • Amplifier click | Audiokarma Home Audio Stereo Discussion Forums
    Lately, I have noticed when my amplifier powers on from a standby state, the right channel delivers a very audible click pop when the speaker relay engages I checked DC offset (on both channels) and they both measure near zero (+ - 0 2 mv)
  • rotel ra-1570 relay clicking quickly to the beat of music
    Usually a DC protection circuit works by rectifying the output waveform and measuring the rectified voltage If the voltage exceeds some threshold, the output relay opens The output of the rectifier is lowpass filtered to prevent the relay from opening during operation
  • Denon 4800 random clicking | Audio Science Review (ASR) Forum
    It appears that a relay (s) are engaging and disengaging and making the clicking noise Your Revel F206 speakers are 8 Ohm nominal and can go as low as 3 3 Ohms The Denon is made for 6 Ohm and 8 Ohms speakers
  • Relay causing click in audio signal - Gearspace
    If you have space, you could try muting the signal while the relay is switching Use a Jfet that would ground the signal while the relay is turning This is the most effective way to cancel all the pop noise I have used this in some tubeamp channel switching designs You can stretch the time of mute by using a small cap
  • Amp is Clicking Frequently - Steve Hoffman Music Forums
    There is one large relay on each back corner of the amp The only purpose of these likely, from reading the manual and given the position on the board, is to mute the speaker output on startup for six seconds, or when pressing the mute button They may alternately be triggered by a protection circuit
  • Speaker relay seems clicks on then off then on again but very rarely
    Dirty contacts won't make the relay click on and off Perhaps the transistor and or cap in the circuit energizing the relay coil are due for replacement
  • Pioneer SX-838 -- random no sound output, clicking relay
    Measure the DC voltage across the speaker when you jumper the relay If there is more than a volt or so DC, then protection circuit is just doing its job You mentioned previously that problem was intermittant, which can be due to varying DC voltage on output
  • Why does my amp make a clicking noise alot - forums. whathifi. com
    The clicking could just be the digital signal unlocking and locking as programmes change and thus sound formats alter - this would trigger the muting relay for a split second so you don't get nasty noises as the digital conversion re-establishes itself
  • Denon Power Amp - Mysterious Relay Clicking | Audiokarma Home Audio . . .
    My first thoughts are that there is another relay that is unrelated to protection mode Is the clicking continuous while the amp is on or just a couple of times? Do you have a service manual? I did see a link where one could be downloaded





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