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Gurnstar

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About Gurnstar

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    Adelaide
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  1. Corroborates exactly with my experience of the hype around hypex ! (And class d 'sound' in general).
  2. Having owned a Nord Hypex 500 amp, i can say the op-amp is the part that tailors the signal so that we perceive a different 'sound'. But nevertheless i did not 'enjoy' class D amplification so went back to a high quality A/B amp
  3. Fine, each to their own, but in discussion of this topic and my reasonable experience with all kinds of speakers, I'm in the smaller , 'bookshelf' or 'standmount' camp, and best of all the accurate, well designed studio monitors. Best bang for buck
  4. We should be buying more studio monitors for home use. Much more accurate, cheaper and most are active.
  5. Q: How many professional recording studios use 'floorstanders' ? Why are almost all studio monitors designed as 'standmounts' or for desktops ?
  6. Now SOLD to a new home. Thanks for your support and kind posts !
  7. Item: DYNAUDIO CONTOUR 1.4 LE LIMITED EDITION SPEAKERS Bubinga piano lacquer Location: Adelaide Price: 2900 neg Item Condition: Excellent, As New Reason for selling: Surplus Payment Method: Cash, Paypal, EFT plus shipping Extra Info: As new, 1st owner purchased new from Denis White (Adelaide), hardly used, balance warranty transferrable, beautiful Bubinga piano Lacquer finish, outstanding sound quality and finish, Last of the series, Limited Edition. Original boxes and packaging. Shipping at your cost. New price was $5499. More info here : https://www.avconcept.com.au/product/dynaudio-contour-s-14-le-bubinga-bookshelf-speaker/ The Contour LE has been technically refined and further upgraded as well. The Dynaudio soft dome tweeter with Precision Coating provides fine, detailed high frequencies; while the internal wiring uses high-quality OFC copper cable. The crossover has been further refined by using special ceramic resistors and high quality capacitors, providing an exceptionally pure and refined music reproduction. The Contour woofers include the best Dynaudio technology such as MSP cones, extremely light aluminium wire voice coils on Kapton formers and rigid, low resonance die-cast aluminium baskets. The extremely stiff cabinet features a unique baffle. It consists of three layers, including a layer of damping material, and a thick metal plate. This construction effectively reduces cabinet resonance and allows excellent sound performance up to the highest volume levels. On this baffle the tweeter is positioned below the woofers to achieve ideal time alignment at the listening position. Technical specifications Sensitivity: 85 dB (2,83 V/1 m) IEC Power Handling: 160 W Impedance: 4 Ohms Frequency Response: 41 Hz – 25 kHz (± 3 dB) Box Principle: Bass Reflex Rear Ported Crossover: 2 way Crossover Frequency: 1900 Hz Crossover Slope: 6 dB/Octave Woofer: 17 cm MSP Tweeter: 28 mm soft dome Weight: 12.6 kg / 28 lbs Dimensions (W x H x D): 188 x 404 x 360 mm7.4 x 15.9 x 14.2″ Photos: Advertisements without photos of the actual item will not be approved.
  8. Item: ROTEL RCD855 CD PLAYER Location: ADELAIDE Price: 220 Negotiable Item Condition: Excellent Reason for selling: Surplus Payment Method: EFT, Cash, Paypal, COD + Shipping at buyers cost Extra Info: Great sounding Rotel RCD-855 CD Player using famous Phillips TDA1941A Dac + SAA7210P decoder Open, detailed highs + deeper richer bass and great dynamics like in much more expensive, higher end players. Output: Rca Analog and Digital Coax In excellent condition , no skipping or dithering. All functions working. Very fast CD loading mechanism and fast play. NB : No remote. Only known issue : Tray opens & shuts quickly, but placing finger when open stops the tray from immediately shutting for Cd loading ( see pics ) . This is a common issue with these players and can be rectified easily by removing rubber o-ring stops inside the tray . Will pack securely with bubble wrap in box, for shipping at buyers cost. High quality build, heavy with excellent power supply. See review : https://www.head-fi.org/threads/proud-new-rotel-rcd-855-owner.163783/ Stereophile : "By now, it's no secret that one of audio's biggest values has been the hugely popular Rotel RCD-855 CD player; for only $400, it offered sound quality on a par with far more expensive gear, and provided countless tentative audiophiles with the perfect interim CD player during a period of almost daily digital breakthroughs. I don't know about you, but it seems to me like Bob Harley (in whose beard we trust) has been heralding a newest bestest digital processor in every issue of Stereophile for the past couple of years now! I'm not blaming my homeslice RH, though; the Mark Levinsons, Audio Researches, Thetas, Staxes, Wadias, and VTLs have been battling it out for the title of Supreme Digital Leader with more stubborn inbred fury than a hundred Hatfields and McCoys, churning out ever-better gear almost faster than the chipmakers can cut their dies. So when Lewis Lipnick called the $400 Rotel 855 "the steal of the century" in Vol.13 No.7, a loud chorus of HUZZAHS! arose from the foxholes; finally, there was a cheap CD player that could hold its own with the big boys. Pow-er To The Pee-pull! The Rotel was the right player at the right time; basically a standard Philips 16-bit machine with better parts and a beefier power supply, the 855 found a home in thousands of happy systems the world over. " https://www.stereophile.com/content/rotel-rcd-955ax-and-rcd-965bx-cd-players Digital converter: TDA1541A, Decoder: SAA7210P, CD Mechanism: CDM-4/19 Frequency response: 20Hz - 20kHz Dynamic range: 96dB, S/N Noise Ratio: 100dB, Channel separation: 100dB, THD: 0.0025% Line output: 2V Dimensions: 444 x 86 x 346mm Weight: 7kg Pictures:
  9. rare and special speakers. How long have you had them ?
  10. Something else worth reading about the crossover in the 1.4's and how it relates to the quality of its integrated sound : "...1st order crossovers have a big advantage in phase response - they're the only type which can successfully reproduce a square wave. All other types mangle a square wave into something almost unrecognizable. Do we actually listen to square waves? Heck yes; a clarinet's waveform is essentially a square wave (in fact square waves are used as the basis of synthesizing a clarinet voice on an old-skool analog synthesizer). Theoretically, the advantage should be audible as more accurate reproduction of transients etc.". (rammisframmis) http://theaudioannex.com/forum/threads/1st-order-6db-per-octave-crossover.9596/
  11. On the issue of the so-called 'tipped up' treble or high frequency response of the 1.4LE, I would be interested to see @audio_file measurements on freq response if he can, compared to @fullshred above 12kHz. It seems there is boosted eq at that level, by dynaudio changing the crossover resistor values for the tweeter. this has little to do with any small hard edges at the mid/woofer's edge or any comb filtering issues at this level of quality speaker. I believe its purely dynaudio's mods of crossover to change the sound as per their consumer demand. If you compare with the earlier 1.4, there is no difference in the hard edge step nor the front baffles, but a big difference in the treble, ie the older 1.4 has a muted, reduced high freq response or 'darker' sound. I postulate that new owners , being Chinese, may prefer a more boosted high frequency response to sell more into the Asian market. I have known this since I grew up in Malaysia and people preferred that style compared to the more austere, 'muted' English/European sounding speakers. There is cultural preference for sound style, based on differing music from Eastern to Western, to African, Indian , Arabic, American etc. Asian music has lots of high frequency energy, just listen to a Chinese Opera.. African Music is highly rhythmic based and bass/drum ie low frequency heavy .. and so on. I have inserted a Pioneer Graphic Equaliser into my chain - any treble problems are now solved
  12. Dynaudio designed the 1.4LE to be phase neutral and time-aligned like the C1, thats why the tweeter is below the midrange. Since the high freqs take slightly quicker normally to reach your ears, lengthening the distance to your ears of the tweeter relative to midrange & woofers helps to correct the time and phase anomalies. So you should sit with your ears at same level as the mid/woofer, and NOT the tweeter. Otherwise it defeats the stated purpose. My 1.4LE woofers are at approx 90cm from ground, and my ear is approx this same height. ie aligned with the mid/woofer . This sounds balanced, coherent and inphase.
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