Thanx for the tip.
Excellent Power Supply Solution
In case you haven’t noticed, it’s very hard to find a good, affordable DC power supply from a U.S. dealer. I wanted a 12 volt 3.5 amp model for a Netgear router. The quality linear power supplies are considerably more expensive than the router. But, then I stumbled upon an interesting product from Waveform Lighting. They offer a $49 DC power supply for strip lighting purposes. The 12 volt model can handle up to 10 amps and 100 watts. I do not know the technical details on how it works, but the description states “very low ripple and noise.” It also has overload voltage protection. The DC cable is 16 AWG wire. A nice feature is that you can attach an audio grade power cable with a C7 connector. I used a Shunyata Venom cord.
The unit did add a noticeable increase in sound quality. A little more clarity, more lifelike vocals and less harshness in the upper treble. If you have a 12 volt modem, router or switch, give the Waveform Lighting DC power supply a listen. Here is the link: https://store.waveformlighting.com/collections/power-supplies-and-dimmers/products/filmgrade-12v-24v...
The unit did add a noticeable increase in sound quality. A little more clarity, more lifelike vocals and less harshness in the upper treble. If you have a 12 volt modem, router or switch, give the Waveform Lighting DC power supply a listen. Here is the link: https://store.waveformlighting.com/collections/power-supplies-and-dimmers/products/filmgrade-12v-24v...
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The ifi wall warts are in about the same price range, and extremely well reviewed for both measured and audible performance. They replaced my Astron. They don't have nearly 10A of output though. :) https://amzn.to/3n4W0xs Best, Erik |
With the iFi DC power supplies, you have to be careful with the amp rating. It’s OK for a power supply to have a higher amp rating than your device. But it cannot have a lower amp value. The same is true for the wattage. The 12 volt iFi power supply only handles 1.8 amps. Many of the cable modems and routers require more than 1.8 amps. That’s why the Waveform Lighting power supply worked so well for me. I just ordered another one today. While I’m at it, here is another tip. I wanted to put a high grade AC power cord on this power supply, but the ones I have do not have C7 connectors. Fortunately, you can order a C7 adapter from Voodoo Cable for $19.00. The non-polarized type works for most routers and modems. Here is the link: https://voodoocable.net/product/c14-to-c7-iec-two-pin-adapter/ |
First, I work at Broadcom switching products, so I do know what I am talking about. Home routers & switches work at giga hertz frequencies and speed, which are WAY over ANY audio signals you are listening to especially if they are hard wired (ethernet), rather than using 11ac or 11ax wifi (which, depending on whether you are running at 2.4G band or the 5G band MAY be subject to collisions and may likely be a bit slower as a result). The basic supply that comes with all boxes are absolutely fine. Since those work great even at frequencies 1000 times higher than your audio and still working perfectly fine, what you are noticing is nothing but the placebo effect. Do not waste your money on snake oil. |
First, I work at Broadcom switching products, so I do know what I am talking about.
<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>> So you're the one that made the noisy PS? Is that what you're saying. Or you know how to fix them? Which one is it? What about Laptops, with noisy PS, some are REALLY noisy, what's the fix? Placebo? Snake Oil, one is noisy, one is not. Am I missing something? Regards, |
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