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System Just Isn’t Sounding Right?

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  • rbbert
    commented on 's reply
    Not uncommonly, pseudoephedrine can cause temporary tinnitus, and will usually exacerbate it in someone who is already afflicted. Just a cautionary note to the above.

  • 4-2-7
    replied
    I don't listen to my main system every day, but am listening to music most days. When I do get time to sit in front of my main system it always sounds good to me. I think it remains fresh if you give yourself other listening experiences because in the end I can listen to music on anything.

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  • Steve Lefkowicz
    replied
    When I had my Acoustat Monitors, the system was terribly weather (temp and humidity) dependent. On hot, dry days (common, especially the years I lived in San Bernardino) the system sounded lifeless and dull. Cold rainy days it was spectacularly good. The system also always sounded better after about 11 PM. If it was under 60 degrees and raining overnight, I be up and listening until I simply couldn't stay awake any longer. Not good when I had to be at work early the next morning!

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  • DetroitVinylRob
    replied
    don't buy/replace anything!

    Leave a comment:


  • Kingrex
    commented on 's reply
    I like all you say here. It will have a big impact on sound. It should be noted that disrupting the system to such a degree will require some time to settle into a new normal.

  • mep
    commented on 's reply
    Did you ever try removing your hardwired custom power strip and see if that gets rid of your hum?

  • Kingrex
    replied
    I reworked the grounding by adding a #1 THWN copper landed under my neutral to my ufer. I also rerouted cabling in the panel and at at my rack to keep wiring as spaced as far apart from from other conductors as possible. I also added 2 shielded power cables to my amps. I have a consistent hum but it's much reduced. As low as 2 other audio buddies. It's not really audible at the sweet spot.

    It probably does not hurt I have isolators on my data utility, as well as linear PS to my router, modem and switch.

    Leave a comment:


  • EdAInWestOC
    replied
    Clean your ears and take some sudafed before you listen. If it still isn't right I would do a complete preventative maintenance (PM) on your system. Clean and reseat all connections plus all tubes. Clean their pins and reseat them in their sockets. This can be a great boost to your system sound.

    If it still isn't right try different sources to see if the sound is equally troubled from all sources. If it is equally troubled from all sources then you can concentrate on your line preamp and power amp plus all cabling between the line preamp, power amps and speakers. Check the integrity of everything in that signal path.

    If your problem is in a single source, like your LP front end, I would look at your stylus first, then check the alignment. Do not trust the condition of your stylus and if you have access to a good microscope, examine the stylus for signs of wear spots on the edges of the stylus. If there are flat spots wearing on the stylus then you should consider a replacement or retipping. If you do not have access to a stylus microscope, try playing the torture tracks on a Phono test LP. The HiFi News test LP has 4 test tracks at the end of side one that are used for setting anti-skating but these are good for testing how well you stylus can track various tracks cut at different velocities. If you formerly checked your cartridge with a test LP when it was new you are in good shape to compare your cartridge now. If not a simple sanity check of how high a velocity your cartridge can track can be somewhat informative. If you cannot track up to +14db cleanly I would look at getting that cartridge retipped or a replacement stylus. As the stylus wears the ability to track high velocity tracks gets tougher. The test record can give you that information.

    If your stylus checks out OK, I would look at all of the connections including the cartridge pins. If you did not cover any of these connections in the PM mentioned above, clean and reseat the connections to see if the problem goes away. If that doesn't do it I would start with the tubes in the phono preamp. If not covered in the above mentioned PM remove the tubes, clean the pins and reseat the tubes. If you still have a problem with your phono preamp try new tubes. Bad tubes can give all kinds of problems but I am sure you already know that basic information.

    The problem with component stereo systems is in all of the connections. Nothing causes more electrical component failure than bad connections. Trust nothing and examine everything. Do not assume anything is above suspicion. Murphy is a friend of all component stereo systems. He is there all of the time waiting to give you a new headache.

    Ed
    PS. I left out one thing. I use Mapleshade Silclear on all of my connections. I clean my connections with Deoxit and then treat them with the Silclear. Silclear is a conductive paste with microscopic silver particles mixed in the conductive paste. It can have a big effect on a connection. Highly recommended. It is especially effective on cartridge pins...for LOMC cartridges. IMPORTANT: This is conductive stuff and can short out connections if not applied carefully. Use a small amount and apply it so it cannot spread out and cause a shorted out connection. https://shop.mapleshadestore.com/SIL...er_p_1177.html
    Last edited by EdAInWestOC; 10-25-2019, 03:15 AM.

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  • mep
    replied
    Originally posted by Kingrex View Post
    On the flip side, me and a buddy have been finding our systems sound great of late. He thinks it's because the rain is improving his ground. I agree but also believe its the utility ground that is improved with the wet weather.

    Doesn't CJ eat preamp tubes?
    Has the wet weather improved your hum issues?

    Leave a comment:


  • Kingrex
    replied
    On the flip side, me and a buddy have been finding our systems sound great of late. He thinks it's because the rain is improving his ground. I agree but also believe its the utility ground that is improved with the wet weather.

    Doesn't CJ eat preamp tubes?

    Leave a comment:


  • Skylab
    replied
    Totally agree. My systems haven’t changed much in the last few years, and I know I love them. So if on a given day they don’t sound great to me, I just “reboot” myself - and listen again the next day after a good night sleep. Always works.

    Leave a comment:


  • Alrainbow
    replied
    Back when I lived full time with my family i used headphones at night. I felt early waking up or middle of the night can't sleep listening yielded new views. I would confirm next day and was surprised how hard it was to hear what I did last night. You can blame power and it might be true but I used many levels of isolation of power
    I think our brains that never rest but do have many working parts like a symphony do get messed with.
    life as I got older just does this.
    I don't drink while playing music unless I have guests
    this is just not a good observation over all.
    a simple example go to your fav rest to eat. If ur ina good mood it's great be in a bad mood most likely will be an off night.
    add to this I take meds oh boy lol.

    Leave a comment:


  • Metamatic
    replied
    I am a bit like Al. sometimes when the system is not quite sounding right, its generally me. My mood is fatigued, my ears are fatigued, my brain is fatigued - these days I generally either listen softly or not at all and do something else.
    then the next day the system is sounding great - go figure.

    Leave a comment:


  • Alrainbow
    replied
    Here is my thoughts. My mood and life's dealings effect the sound for me. But having said this there are a few ideas. One is put things back to a recent default setup.
    another is swap in devices from older setups.
    lastly your not crazy over the years it has happened to me many times and each time my suspicions were correct.
    can you describe what's wrong ?

    Leave a comment:


  • Kingrex
    replied
    Cat clawed a driver? Hairball stuck across some electrical connections and shorting it out. Cables chewed partially. Earwax. Your wife sold some power cable to buy a new winter coat and snuck in some inexpensive replacements. Just thinking outside the box.

    Leave a comment:

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