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Addicted to music

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Addicted to music last won the day on February 7 2018

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About Addicted to music

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    Glorified Cleaner, cleaning the mess greenies leave behind
  • Birthday 07/06/1964

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    Melbourne
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    Australia

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  1. Either the equipment you are using that use low quality IEC Female connector then “anything that deals” with mains supply shouldn’t make a difference.... Why? Because “all” audio electronic devices will have a power supply that consists of a transformer that has 2 isolated windings, your circuit that deals with “audio “ is isolated from the mains via the 2nd transformer winding , 2ndly, your audio signal doesn’t even flow through the mains primary winding, so if power cord IEC make such a difference then you should question the designer of the equipment you’re using.
  2. If a speaker driver “changes” parameters at 6, 60, 600, 6000 minutes and its been driven within specs, and the changes are audible, that would say to me either used incorrect compliant materials or the design parameters are all incorrect, when you build something, the performance should stay consistent till something aged or exceed usage life.
  3. These caps are all ceramic types and are in picofarad, not something you would use in audio Electronics and definitely not in a crossover circuit for speakers so totally irrelevant... Even the change in picofarad is far too small a change but enough to render a digital circuit out of specification. I can tell you with ceramic caps there are definite changes when they are hit with increasing temperature, Something I haven’t tested and measured.... Certainly known are polystyrene caps that will change there capacitance value when hit with temp like a soldering iron, so you need to be careful.
  4. Unless, also what Andrew Jones alluded; that you apply such power that the coil is smashing at the ends of the magnet assembly that stretch the spider beyond it’s limitations, or an incorrect spider that’s not fit for the driver. He did go onto to used a stretched spring that’s stretched beyond its limit and won’t return to its original shape... as an analogy
  5. No arguments from me for him being a promoter in hi fidelity..... However, everything is measurable, he doesn’t believe that in measurements alone can provide accurate and pleasing sound to the ear..... if only he had the chance to live with this person he’s interviewing in this and experience what he’s experienced:
  6. I wouldn’t be listening to Steve Guttenberg, However, Any time spent with AJ is worthwhile.
  7. I can tell you the size of the lens and what lens to shoot what scene will also improve image quality.... if you go from a standard consumer lens and then to a professional grade with a F2.8 or 1.8 usually improves detail in and contrast ... Can also be proved with a old school film camera... Notice they said one pro would use a 50mm and not a 24mm when shooting landscape, it’s obvious he shoot with a wide 24 and then he shoots with a 50mm and stitch it with 3 images..... well that’s what my son does with landscape, a known technique to use a lens that produces the result you’re happy with and then stitched the image together in Lightroom.
  8. Didn’t realise that David tilbrook also had a speaker design in the 1979 for ETI. If that’s the case they would have been sold at Dick Smith as most ETI DIY project Would be accessible from there b4 Jaycar became a thing.... He designed the AEM 6000 series mosfet amplifiers that took me ages to build when it was published around the mid 80s.
  9. We are in 2020, any suggestions using prehistoric mechanical rotary switches or potentiometers that audiophiles in the DIY community who refer this as high quality think again. There are better options out there and one has already been mentioned. Mechanical switches and mechanical potentiometer regardless will all have a physical contact point that wears from day 1 as soon as you rotate that knob.
  10. It’s a safety issue that the active and neutral have a universal identification so consumers can operate the equipment safely and service personnel can service the equipment knowing which line can kill. otherwise there is no difference.... All equipment operate with a DC supply, so to convert the mains to DC this is what’s needed where a transformer reduced the AC via windings to the correct acceptable level and like someone else has posted it will then go through what’s known as a full wave bridge rectifier to convert to DC. So those who think they can detect a difference which side the active is connected to a transformer; please explain!
  11. I’m sure you’re pulling a left leg! One of the safety taught when working on mains equipment is that you cannot see, hear or smell electricity. So you must operate with the mains turned off, unless you’re a different species with a special sense......😀
  12. Wiring and soldering terminals is a skill. However when you pay the skilled person bottom rate, they don’t care about how neat it’s put together, Then it gets to number of jobs completed per hour. This is a Somer Carbokab 225 With gold plated Pins using professional standard Neutrik XLR connectors that’s been put together by an English cable company. It’s not $500 or $1000s. It’s standard professional cable that does the job efficiently. Have no issues if you want to go down the path of expensive cables, the difference in Cables is subtle compare to component changes. If I were to spend $1000s it won’t be cable and definitely not IEC power cords.
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