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Posts posted by DizRotus

  1. Congratulations and welcome.  I look forward to a report regarding their function.  


    It’s important to verify the operation of the tweeters.  If the woofers or midrange aren’t working it’ll be obvious, not so with tweeters. The simplest way is to put an ear to the tweeter while blocking the output from the midrange.  


  2. In 1974 I sold a 1961 Dodge Dart slant six sedan, think taxicab, for $125.  It was rust free and ran like a top.  Heck, it probably still runs like a top.


     Even in 1974 that was a give away price.   I was young and foolish.  The low mileage car had been given to me by a great aunt.   I'd just started a new teaching/coaching job, so the new Olds 442 I bought fit my perceived image better than an old woman's car.  

    • Like 1

  3. 6 minutes ago, Edgar said:


    Sorry, Chris, but despite how much I like the sound of the Jubilees, give their current aesthetics even I wouldn't allow them in my living room, and I don't have a Wife whose Acceptance I have to Factor.


    I agree, but the problem is somewhat one of space and semantics.  We do not have a 2-channel system in our “living room.”  The music source in our living room is an older Klipsch iPod dock that connects to sources via Bluetooth.  The unit hides under an end table.  Anything larger would not be tolerated.


     Klipsch Pro Media 2.1s supply computer music in two offices.  My 2-channel system—a pair of “Superized” HIPs and 4 TH subs—is in our basement.  If we had space for larger speakers, which we don’t, they would be in the basement where WAF is not an issue.


    If by “living room” you mean the space where people frequently gather to watch TV,  thus leaving another more formal space for entertaining guests and relaxing, I could see Jubilees as part of the informal living room/family room/great room.

  4. 2 hours ago, mike stehr said:

    It seems DizRotus's Meanwell supply uses a cooling fan with a thermal control/sensor of some sort, where with your unit the fan is just "on".

    Do the Meanwell power supply specs/data mention whether they are fan cooled thermally, or just fan/air cooled?


    I've never noticed or paid enough attention when I browsed through the specs with regard to Meanwell supplies.


    Apparently, my Mean Well LRS-350-48 has a fan that is thermally switchable to ON or OFF.  I have never heard or seen the fan in operation.  Reviewers at Amazon refer to the fan being noisy.  Either the unit never gets warm enough to trigger the fan, or the fan is broken (highly unlikely).  In any case, overheating of the PS or the TPA3255EVM has never been a problem.


    I set the PS output voltage at 48v and forget it.  The exterior ON/OFF switch controls AC to the PS, but as I said above, it is on 24/7.


    That’s one of my Pono players sitting on the Mean Well.





  5. 12 hours ago, ClaudeJ1 said:

    I think he could just unplug the offending FAN and get away with it,


    I agree.  The fan in my Mean Well 48v power supply has NEVER turned on, to the best of my knowledge.  If it did, I would disable it.  I removed the fans in my iNuke 1000dsp amps powering my TH subs.  That has never been a problem.  Like Claude, I leave my class-D amps powered on at all times.  The amount of current drawn at idle is insignificant.  There is no longer a single incandescent bulb in my house.  The savings from the LEDS more than makes up for the class-D amps at rest.


  6. PWK used 18 AWG zip cord.  IMO, the only reason it was replaced—after his death—by something heavier gauge was for marketing, not a difference that could be objectively perceived or documented by scientific testing.


    As others have said, wires are a topic that polarizes (pun intended, as always).  I would rather spend my money on music or room treatments to improve the experience.


    Debates Regarding connectors rage almost as fiercely as do those surrounding wire.  Rather than binding posts and/or banana plugs, I use Neutrik Speakon connectors exclusively.  There is no sonic improvement, but they permit quick and secure connecting—or disconnecting—that can be accomplished one-handed in the dark.  Thousands of band roadies must know what works best.



    • Like 1

  7. That is a very nice looking C3.  Too bad about the LT-1, but I agree with the owner, that ship sailed long before his involvement.

  8. 27 minutes ago, EmilC said:

    Jez pic mix.


    I can’t be certain without seeing his hands.  No drink and cigarette; no Keith.

    • Haha 2

  9. On 2/8/2020 at 10:58 PM, 3thernet said:

    Our house sound system is comprised of 4 La Scala speakers with 8 matching bass cabinets in a quadraphonic array.


    Please elaborate on the “8 matching bass cabinets.”  


    As others have suggested, I would NOT consider tube amps for that application.  Suggestions regarding class-D chip amps make sense.  I would not dismiss Behringer iNukes out of hand.  Sure their power ratings are hyperbolic, but they are cool running class-D with plenty of power for La Scalas.  They are relatively inexpensive, as well as light weight.  They could always be kept in reserve for emergencies.


    In the 70s, I used four 8 ohm factory built Speakerlab SKhorns (Klipschorn knockoffs) in a mobile DJ business.  With two in parallel per channel, the four ohm load drew 300 watts per channel from a Dynaco ST-400 amp.  The backs of the bass horns were closed in with plywood, which helped when good corners were not available, which was most of the time.  They were best when tucked into proper corners.  That setup provided plenty of loud and clear music in venues ranging from frat house dining rooms to high school gymnasiums.  Your permanent space should sound consistently good.

  10. Don't always equate "knowledgeable" with accurate.  Typically, correct information can be distilled from sometimes inconsistent posts

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