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Frequency response recording with an iPhone 14+ at 7cm and utilizing the House Curve app. Right speaker and then left. And then DA infinite baffle FR

The Yes Ma’am The other one is in the final stages

I always start with the easiest, lowest cost, completely reversible without any remnants of a trial options first. In this case that would be minor tilting first.

Oh, I see you just need to raise them ten inches I’d buy some tile of your preference, cut it to cover concrete blocks, and then adhere it to the blocks…..could just use cut to shape untreated railroad ties and cover them with the tile of your liking.

I am now at port size and placement crossroads. This driver really begs for a port, so I’ve eliminated the sealed option. WinISD has suggested a 4 inch port with a 1 inch length…..or a three inch port with 1/4 inch length. The thickness of the wood is 3/4” The inner dimensions of the cabinet...

Progress

I've done something similar using a line level converter from a preamp with no passive sub out (no green or ground wire on this model)....then RCA to a small sub amp. With two passive subs, I'd just use two RCA splitters from the line level converter and purchase a second small sub amp (if using...

^^^^^These are available from multiple brands and in multiple sizes and finishes. If you like the look of stone, but want a soft material (like wood)......Just prime with a gray primer, then spray on the Stone Rustoleum, and then finish with several coats of clear.

My first thought is a large cube end table. Not sure what your price range is. These are also a relatively easy DIY

Silicone dampening/resonance limiter for the inner hemisphere.

The beginning. Also painting the inside of the bowls with a thick layer of silicone to minimize resonance. Looks like Terry Cain (RIP) built quite a few in this style. Might try an open baffle also.

Completely portable with those power tool battery 150 Watt sine wave inverters.

Version 2.0. Fisherman Series.

Thank you for the information and resources.

In an open baffle position, does the turbulence from the motor affect the quality of the rear sound wave…which is then reflected off the closest (front) wall and back to the listener? Does diffraction off the rear magnet and basket also distort the resulting sound image? Or are these non...

I have two of the DSP-LF sub managers I posted above (for different set ups in different rooms). $62 I believe per DSP unit….extremely simple, low cost, and effective.