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  1. Replies
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    Re: Signal ground connection question

    Most well designed components, attach the audio circuit common (aka signal ground) to the chassis at a single point near the input connectors.
  2. Re: Does size matter? Capacitors - few big vs many smaller

    Actually it probably comes down to these (and other) factors:
    a] enclosure profile height.
    b] cost per microfarad.
    c] manufacturing assembly costs.
  3. Re: Does size matter? Capacitors - few big vs many smaller

    a] there are good amplifier designs with large capacitors.
    b] there are poor amplifier designs with large capacitors.
    c] there are good amplifier designs with small capacitors.
    d] there are poor...
  4. Re: What do you hear different using Balanced XLR Cables?

    Yep. If the interconnects are short (say 3 meters/10 feet) and all the components are powered from the same AC mains wall outlet, it's doubtful that you will hear any differences. Note that in pro...
  5. Re: What do you hear different using Balanced XLR Cables?

    For other's, Audio Engineering Society standard AES48 is about balanced interconnects using XLR connectors. In the standard, XLR pin#1 is the shield and it is attached to the chassis at the connector...
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    Re: Formula One

    Wow, an F1 race with more green flag, on track passes than an IndyCar race on rather similar tracks.
  7. Re: Vibration impact on cables - theoretical analysis

    a] What about the circuit impedance in the above equation?
    b] Remember that a cable has two conductors and the signal is differential mode while this induced voltage is common mode.
    c] Some...
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    Re: Received 2nd Covid shot today

    They now have the downtown indoor arena site up to speed. Air Force medics are doing 6000 jabs a day. People without internet can sign-up at city libraries also free bus tickets.
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    Re: Received 2nd Covid shot today

    If last Spring the medical community was told that any of the vaccines were going to be as good as they turned out to be, it would have been called aspirational or wishful thinking.
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    Re: Received 2nd Covid shot today

    Why still wear a mask?
    Because your vaccination may not work against the next new variant.
  11. Re: Toroidal transformer suitable for Mundorf Mlytic recaping of Audiolab 8000A

    a] much larger capacitors are sometimes hard on the bridge rectifiers.
    b] don't recall any reason way they would be hard on the transformer.
    c] transformer hum is often caused by higher line...
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    Re: Corners, Side Walls and Openings

    Room tuning is a lot trickier than some home theater buffs and audiophiles think! Some acoustic experts say it's close to impossible. Only the newest high-tech DSP units come close.
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    Re: Hello from Auckland, New Zealand!

    So what about the earthquakes? Or were you playing your hi-fi way too loud again?
    Not a word on US TV news about the earthquakes.
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    Re: Corners, Side Walls and Openings

    A better read, might be:

    Sound Reproduction: The Acoustics and Psychoacoustics of Loudspeakers and Rooms
    Book by Floyd Toole

    also:
    Room Acoustics
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    Re: Hello from Auckland, New Zealand!

    The crews go thru a huge amount of safety training before they get on the boats. They are taken to a pool and tied to the bottom, then they have to use their emergency air mask and cut their way...
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    Re: Hello from Auckland, New Zealand!

    Are you back on lock down?
  17. Replies
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    Re: Hello from Auckland, New Zealand!

    The America's Cup sailboat race in Auckland and COVID-19 seem to be causing a conflict today. Are you at Level 3 or 2?
  18. Re: How do you calculate amplifier output current?

    Well it's Ohm's Law, but the easy way is to compare the 8 Ohm power and the 4 Ohm power, if the 4 Ohm power is twice the 8 Ohm power it's a high current amplifier.
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    Re: HDMI Cables

    At this point, this is no reason to buy anything but Belden Bonded-pair HDMI cables.
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    Re: Anyone play around with Duelund wire?

    It's not about allowing current. It's a simple series, voltage divider circuit. It's the end-to-end cable impedance in series with the 2 Ohm loudspeaker impedance. In a series circuit the current...
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    Re: Anyone play around with Duelund wire?

    Yes, it's about the impedance of the loudspeaker and the end-to-end resistance of the cable. (with respect to each other) Long cables and 4 Ohm speakers need to be much, much thicker than short...
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    Re: AudioQuest Golden Gate RCA Question

    Did 'AudioQuest' make the complete cable?
    No instructions or info from 'AudioQuest" ?
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    Re: 8 items. 1 outlet.

    Most homes don't need "isolation" banks, voltage regulation, and some surge protection and noise filtering for their hi-fi systems.
    But on the other hand, APC is a good brand.
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    Re: I'm Puzzled

    It's interesting that the less sense an idea makes, the more some audiophiles want to believe it.
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    Re: 8 items. 1 outlet.

    It's best to keep everything connected to one wall outlet. So try a 10 receptacle outlet box from Tripp Lite or Belken. You really don't need point of use surge protection, but it's hard to find...
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