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What is the thread size/pitch?

I like the corner/angled subs! Reduced SBIR? But, those are not OSHA approved steel toed socks mister!! 🙂

ML's pricing for replacement panels seems right in line to me. 12 years ago my JBL L-110 woofers needed to be re-coned which was something they needed about every ten years. The first two times the cost was $375 in 1989, and $425 in 2000, including return shipping from JBL, but in 2011 it was...

Ahhhh, but remove the feet from the top sub and get some rubber tool drawer liner mat material from the home store. Cut the liner material so it's just a bit smaller than the top of the bottom sub with the bottom sub's driver facing frontwards, then place the top sub - also with the driver the...

Stacking 2 subs will mostly just give greater output with reduced strain to the original single subwoofer. Dual stacked subs can possibly also smooth out some bumps in the curve, but don't count on it as it's totally dependent upon EVERYTHING to do with the room and placement. It's when using 3...

sorry, that's a bummer. Not knowing anything about pacemakers, I was not aware that heart rate monitors would have difficulty reading the heart rate. It must have been quite a bit of learning involved once the pacemaker was implanted, to know how to live with one.

One word, salt. A lick of salt and a few ounces of water will quickly lower the heart rate when it's due to heat and dehydration. It's the salt that does the most good for this in the short term. My sleeping heart rate is most often 52bpm, resting HR about 5bpm higher. When I began a keto diet...

A lot! The Theater i frequency response bottoms at 77Hz, so yes, you're missing a lot. The center channel has a lot of content that goes down to 28Hz, some content goes lower but it's not so common. I was running a sub just for Center for a couple years. After changing the subwoofer compliment...

Yes. No more than one amp should be connected to a subwoofer, or multiple chained subwoofers, via speaker level connections. This is what ML told me. So, multiple amps per subwoofer is not recommended. I daisy chained mine when I had multiple subs per 13A. So it went from amp to speaker to sub...

Using the same date coding as my Expressions as told to me by ML, the date code for yours is E 05, which translates to 2012 May. Mine end in L01, which is 2019 January. L=2019 01=January

Yes, these speakers can reveal a lot with and without the proper upstream components. I have auditioned a number of amps since getting the 13A speakers, and there are a lot of great recordings I use for demoing the system, and a few poorly recorded tunes as well. The poorly recorded tunes are...

My HC-1 makes mechanical noise that I can hear when my ear is placed on the top. Put your ear on the HC-1 and see if that's what you're hearing. To be certain that no mechanical noise would affect the tests I covered the amps with absorption panels so they were totally muffled, and the results...

I doubt it's the A31. Could be anything in the chain.

If one can hear hiss, then a sensitive mic should be able to hear it also. Try as I may, I just don't hear any hiss from my C18 when using any of my latest amps. So I connected an old Onkyo and then got hiss. The plot is using REW's RTA to record a mic placed a few millimeters from the grill...

BX is not acceptable, but Greenfield is for short runs. The idea is that should wires need to be replaced, they can when using conduit or Greenfield. If one wants to upgrade a outlet to a higher Amperage, it's an easy task to pull new wire to an existing location. This electrical code, and...

Something that really helps with limiting extraneous noise from entering the house wiring is the fact that my area (suburb of Chicago) requires metal conduit and boxes for all electrical wiring.

The Focus and its amp are both plugged directly into a dedicated, Isolated-Ground, circuit with nothing else on that circuit. No conditioner is used for this.

My Focus also doesn't hiss.

IMO one should be thrilled with the sound of new speakers. If not, then return them. It's obvious you are trying to like them, but if it's a struggle to find a benefit to keeping them, then maybe it's not a match for you. I've only had 5 pairs of main speakers in my life. My first were DIY...

Get the Parasound. Yes, Parasound shows it's discontinued, but you can probably still get one at a dealer somewhere. It's not just "watts" to consider with these speakers, but how stable the amp design is - even at low volume. If you have Amp-A that has enough "watts", and Amp-B that is...