Audiophilepure

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“The above graphs show the Revel M126Be speaker’s low-frequency responses that I captured using groundplane measurements (where the speaker and microphone are on the ground in a wide-open area). Revel characterizes the low-end response as -6 dB at 54 Hz, and this is a conservative spec by my measurements. In ported mode, the response knee pretty much starts a bit below 60 Hz, and there is usable output below 50 Hz. I also measured the M126Be with its port plugged. We can see that it reduces output below 100 Hz. This might be handy for those who are getting too much of a bass boost from having to place the speaker near large room surfaces. Overall, the responses shown here are quite good and shows a well-implemented port. This is a bookshelf speaker with solid extension down to 50 Hz, and that range will cover most music recordings, especially of acoustic music. Those who don’t need deep bass can get by without a sub, but those who want the subterranean thunder of modern action movies will certainly want to add a sub. I think the 50 Hz extension is a very reasonable frequency to aim for. It covers much conventional music without trying for deep bass which would have incurred a big penalty in sensitivity.”

https://hometheaterreview.com/aperion-audio-novus-502-speaker-system-reviewed/

“Setting the speakers up is fairly straightforward. As there isn’t anything too unconventional about their design, they don’t require anything particularly special in terms of placement. If this is your first time setting up a pair of surround speakers, I’d refer you to the user manual for helpful tips on proper setup. Potential buyers should note that the A5 height and surround bookshelf speakers don’t come with wall mount brackets in the box, so be sure to get yourself a couple with rated weight support for these speakers if you need them mounted.”

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From what I’ve learned regarding how Jorn was able to reduce the overall cost of the Vimberg speaker line, for starters – although sourced from Accuton, the drivers for the Vimberg line are from the standard stock of drivers rather than the much higher costing custom units that are made exclusively for the Tidal line. Another cost reduction process has to do with the finish. For the Vimberg line, Jorn uses a special machine for the finishing process. Additionally, the finish is approximately one-half as thick as the meticulous, labor intensive, manual process used for creating the stunning finishes of the Tidal speakers. Beyond that, the highly polished stainless steel mounting brackets and feet for the Tidal speakers has been replaced on the Vimberg with glass-pearl streamed anodized aluminum units. Obviously there are more areas where Jorn was able to trim costs but for high-level understanding, these are the primary areas that provide a significant amount of the cost reduction for the manufacturing process of the Vimberg loudspeakers.”