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Construction of the cabinet is complete. The following is a photo history... It all starts with the baffles T-nuts are used to mount the drivers and the plenum Easier to paint the baffle faces before assembling the slot Sanity check! The cone and magnet look really close together, so I...

Correction - I have the SL-7 not the SL-5. That goes to show how often I listen to vinyl! Still love the convenience of the linear tracker. It just works.

I have an SL5 and love it!

Happy with the pair of four channel Purifi amps that I purchased from VTV. Shipping cost to New Zealand was very reasonable and they were well packed.

Try one of these... https://www.audiosciencereview.com/forum/index.php?threads/pac-lc-1-passive-volume-control-review.34135/

My understanding was that Audyssey Flat does not include the MRC dip.

I have just purchased a Denon AVC-X4800h to replace my Marantz AV8801. A new TV prompted the upgrade. I wanted to be able to decode the latest audio formats (via eARC) and also try the Audyssey App. I chose the X4800h over the X3800h for the two line display, better build quality and...

It is easy to convert this RCA stereo volume control into a balanced XLR mono volume control. The L/R earths go to pin 1 on the XLR . Pin 2 is positive (R) and pin 3 is negative (L) Useful if you need to add a volume control to an external subwoofer amplifier.

It is easier to compare the responses by importing the SPL and phase data from HornResp into REW... It should be relatively easy to flatten the response and extend the LF...

A lot of the slot loaded designs seem to be for much larger drivers or PA cabinets. In that case the slot dimensions are much larger, so the slot contribution will move into the subwoofer frequency band. Not necessarily a good thing for a HiFi sub though, I agree! In my case I was looking for a...

Here are the HornResp simulated responses. This is my first time using this software, so hopefully my numbers are correct. Firstly, a seal box with no slot, for reference... The 114mm slot loaded version (as designed)... If the slot was 50% wider (171mm)... I can't make the slot smaller...

You are correct of course, but I like push-pull subs and the idea of protecting the drivers within a slot appeals to me.

Here is the Push-Pull version of cabinet, with removable plenum... Back Front With the left driver motor now mounted in the slot, I was able to reduce the width of the cabinet to almost exactly match that of the 2810. External dimension for my design are now 368mm x 450mm x 268mm (MPS-2810...

I found a spec sheet for the MX-700 and the only difference between that and the "professional" MPS-2810 appears to be the addition of a balanced XLR input on the 2810. Here is mine... I may be trying to solve a problem that doesn't exist, but I felt that my 2810 would not do well firing into...

The M&K MPS-2810 is definitely real! It was the professional version of the MX-700

Not so much interested in the mass loading aspect. Hopefully the slot will help direct sound into the room rather than towards the mounting wall. I am still wading my way through this thread...

I have started designing a subwoofer suitable for wall mounting. Like most, my room is not ideally shaped but I would like to locate a sub in each of the four quadrants of the room. This means locating at least one sub high up on a wall above a window. To minimize cabinet vibrations the...

Do we have an ETA for the AV30?

You are getting more direct sound. The fact that it sounds better, should encourage you to look at treating the room, especially first reflection points.

Have you considered rotating the entire setup 90 degrees anti-clockwise? This would put the LCR pointing towards the kitchen and the main listening position would no longer be against a wall.